| Acadia polypori (Vockeroth, 1980) | ⇒ Impleta polypori Vockeroth, 1980 |
| Acnemia amoena Winnertz, 1863 | |
| Acnemia arizonensis Zaitzev, 1982 | Great Basin langloisia |
| Acnemia bifida Zaitzev, 1982 | Great Basin langloisia |
| Acnemia californiensis Zaitzev, 1982 | Great Basin langloisia |
| Acnemia comata Zaitzev, 1982 | Great Basin langloisia |
| Acnemia cyclosoma ♰ T. D. A. Coc..., 1925 | |
| Acnemia fisherae Zaitzev, 1982 | Great Basin langloisia |
| Acnemia flaveola Coquillett, 1901 | |
| Acnemia johannseni Zaitzev, 1982 | Great Basin langloisia |
| Acnemia psylla Loew, 1869 | Juniper globemallow |
| Acnemia similis Zaitzev, 1982 | Great Basin langloisia |
| Acnemia trifida Zaitzev, 1982 | Great Basin langloisia |
| Acnemia unica Zaitzev, 1982 | Great Basin langloisia |
| Acnemia varipennis Coquillett, 1904 | |
| Acnemia vockerothi Zaitzev, 1989 | |
| Acomoptera plexipus Garrett, 1925 | |
| Acomopterella arnaudi Sherman, 1921 | |
| Adicroneura biocellata Vockeroth, 1980 | |
| Aenemia arizonensis | |
| Aenemia bifida | |
| Aenemia comata | |
| Aglaomyia gatineau Vockeroth, 1980 | |
| Allocotocera parvula Coquillett, 1901 | |
| Allocotocera parvulus Coquillett, 1901 | |
| Allocotocera pulchella Curtis, 1837 | |
| Alloctocera pulchella | |
| Allodia (Allodia) anglofennica Edwards, 1921 | Graceful asterella |
| Allodia (Allodia) embla Hackman, 1971 | |
| Allodia (Allodia) lugens Wiedemann, 1817 | |
| Allodia (Allodia) lundstroemi Edwards, 1921 | |
| Allodia (Allodia) ornaticollis Meigen, 1818 | |
| Allodia (Allodia) pyxidiiformis (Zaitzev, 1983) | ⇒ Allodia zaitzevi Kurina, 1998 |
| Allodia (Allodia) septentrionalis Hackman, 1971 | Ray spiked fern |
| Allodia (Allodia) simplex Zaitzev, 1983 | Prickly gilia |
| Allodia (Allodia) truncata Edwards, 1921 | Graceful asterella |
| Allodia (Allodia) tuomikoskii Hackman, 1971 | Ray spiked fern |
| Allodia (Allodia) zaitzevi Kurina, 1998 | |
| Allodia (Brachycampta) adunca Zaitzev, 1992 | |
| Allodia (Brachycampta) alternans Zetterstedt, 1838 | |
| Allodia (Brachycampta) angulata Lundstrom, 1913 | |
| Allodia (Brachycampta) barbata Lundstrom, 1909 | |
| Allodia (Brachycampta) czernyi Landrock, 1912 | |
| Allodia (Brachycampta) elevata Zaitzev, 1984 | California prickly phlox |
| Allodia (Brachycampta) foliifera Strobl, 1910 | |
| Allodia (Brachycampta) neglecta Edwards, 1925 | |
| Allodia (Brachycampta) pistillata Lundström, 1911 | |
| Allodia (Brachycampta) protenta Lastovka & M..., 1974 | |
| Allodia (Brachycampta) rindeni Kjærandsen, 2007 | |
| Allodia (Brachycampta) subpistillata Sevcik, 1999 | |
| Allodia actuaria Johannsen, 1912 | |
| Allodia acutaria Johannsen, 1912 | |
| Allodia californensis Zaitzev, 1983 | California prickly phlox |
| Allodia californiensis Zaitzev, 1984 | |
| Allodia callida Johannsen, 1912 | |
| Allodia callidum Johannsen, 1912 | |
| Allodia cincta Van Duzee, 1928 | Parish's yampah |
| Allodia conspicua Zaitzev, 1983 | Prickly gilia |
| Allodia delita Johannsen, 1912 | |
| Allodia elata Johannsen, 1912 | |
| Allodia embia Hackman, 1971 | Ray spiked fern |
| Allodia hastata Zaitzev, 1992 | |
| Allodia hirticauda Van Duzee, 1928 | Parish's yampah |
| Allodia idahoensis Zaitzev, 1984 | California prickly phlox |
| Allodia prominens Zaitzev, 1983 | Prickly gilia |
| Allodia promivens | |
| Allodia pseudobarbata Zaitzev, 1992 | |
| Allodia racemosa Zaitzev, 1992 | |
| Allodia subelata Malloch, 1923 | Laysan bur cucumber |
| Allodia unicolor Lundbeck, 1898 | |
| Allodiopsis (Allodiopsis) domestica Meigen, 1830 | |
| Allodiopsis (Allodiopsis) rustica Edwards, 1941 | |
| Allodiopsis (Notolopha) cristata (Staeger, 1840) | ⇒ Notolopha cristata Stæger, 1840 |
| Allodiopsis akeleyi Johannsen, 1912 | |
| Allodiopsis diffissa Johannsen, 1912 | |
| Allodiopsis maculosa (Meigen, 1818) | ⇒ Myrosia maculosa Meigen, 1818 |
| Allodiopsis rufilatera Edwards, 1941 | |
| Anaclileia dispar Winnertz, 1863 | |
| Anaclileia vallis Coher, 1995 | |
| Anaclileia vockerothi Bechev, 1990 | |
| Anaclileia winchesteri Coher, 1995 | |
| Anaclinia coxalis (Coquillett, 1905) | ⇒ Neuratelia coxalis Coquillett, 1905 |
| Anatella affinis Fisher, 1938 | |
| Anatella ankeli Plassmann, 1977 | |
| Anatella aquila Zaitzev, 1989 | |
| Anatella arnaudi Zaitzev, 2000 | |
| Anatella bremia Chandler, 1994 | |
| Anatella ciliata Winnertz, 1863 | Spreading phlox |
| Anatella difficilis Garrett, 1925 | |
| Anatella flavomaculata Edwards, 1925 | |
| Anatella laffooni Plassmann, 1977 | |
| Anatella lenis Dziedzicki, 1923 | |
| Anatella mendosa Zaitzev, 2000 | |
| Anatella minuta Stæger, 1840 | |
| Anatella pseudogibba Plassmann, 1977 | |
| Anatella silvestris Johannsen, 1909 | Panal |
| Anatella simpatica Dziedzicki, 1923 | |
| Anatella tacita ♰ S. H. Scudder, 1890 | |
| Anatella unguigera Edwards, 1921 | |
| Aneura appendiculata (Tonnoir & Ed..., 1927) | ⇒ Allocotocera appendiculata Tonnoir & Ed..., 1927 |
| Aneura bispinosa (Tonnoir & Ed..., 1927) | ⇒ Allocotocera bispinosa Tonnoir & Ed..., 1927 |
| Aneura defecta (Tonnoir & Ed..., 1927) | ⇒ Allocotocera defecta Tonnoir & Ed..., 1927 |
| Aneura longicauda Tonnoir & Ed..., 1927 | |
| Aneura pallida Tonnoir & Ed..., 1927 | |
| Anomalomyia flavicauda Tonnoir & Ed..., 1927 | |
| Aphelomera forcipata (Tonnoir & Ed..., 1927) | ⇒ Neoallocotocera forcipata Tonnoir & Ed..., 1927 |
| Aphelomera longicauda (Tonnoir & Ed..., 1927) | ⇒ Neoallocotocera longicauda Tonnoir & Ed..., 1927 |
| Aphrastomyia communis Jaschhof & K..., 2004 | |
| Aphrastomyia longirostris Jaschhof & K..., 2004 | |
| Austrosciara infrequens Skuse, 1888 | |
| Austrosciara montivaga Skuse, 1888 | |
| Austrosciara spectabilis Skuse, 1888 | |
| Austrosciara winnertzi Skuse, 1888 | |
| Azana (Azana) anomala Stæger, 1840 | |
| Azana (Azana) sinusa Coher, 1995 | |
| Baeopterogyna nudipes Vockeroth, 1972 | |
| Boletina abdominalis Adams, 1903 | |
| Boletina akpatokensis Edwards, 1933 | |
| Boletina antica Garrett, 1924 | |
| Boletina antoma Garrett, 1924 | |
| Boletina arctica Holmgren, 1872 | |
| Boletina atra (Cole, 1921) | ⇒ Boletina subatra Fisher, 1938 |
| Boletina birulai Lundström, 1915 | Northern bog violet |
| Boletina borealis (Zetterstedt, 1852) | ⇒ Polylepta guttiventris Zetterstedt, 1852 |
| Boletina brevicornis (Zetterstedt, 1852) | ⇒ Boletina edwardsi Chandler, 1992 |
| Boletina cincta (Johannsen, 1912) | ⇒ Saigusaia cincta Johannsen, 1912 |
| Boletina crassicauda Van Duzee, 1928 | Parish's yampah |
| Boletina delicata Johannsen, 1912 | |
| Boletina differens Garrett, 1924 | |
| Boletina digitata Lundstrom, 1914 | |
| Boletina dissipata Plassmann, 1986 | |
| Boletina edwardsi Chandler, 1992 | |
| Boletina erythropyga Holmgren, 1883 | |
| Boletina fennoscandica Polevoi & He..., 2004 | |
| Boletina gracilis Johannsen, 1912 | |
| Boletina gripha Dziedzicki, 1885 | |
| Boletina groenlandica Staeger, 1845 | Darlington's glade spurge |
| Boletina hedstroemi Polevoi & He..., 2004 | |
| Boletina hopkinsii Coquillett, 1895 | |
| Boletina hyperborea Salmela, 2016 | |
| Boletina hypogaea ♰ A. L. Melander, 1949 | |
| Boletina imitator Johannsen, 1912 | |
| Boletina inops Coquillett, 1900 | |
| Boletina jucunda Garrett, 1924 | |
| Boletina longicornis ♰ Johannsen, 1912 | |
| Boletina lundbecki (Lundstrom, 1912) | ⇒ Boletina nasuta Haliday, 1839 |
| Boletina magna Garrett, 1925 | |
| Boletina melancholica Johannsen, 1912 | |
| Boletina minuta Polevoi, 1995 | |
| Boletina montana Garrett, 1924 | |
| Boletina moravica Landrock, 1912 | |
| Boletina nacta Johannsen, 1912 | |
| Boletina nitiduloides Zaitzev, 1994 | |
| Boletina notescens Johannsen, 1912 | |
| Boletina obesula Johannsen, 1912 | |
| Boletina obscura Johannsen, 1912 | |
| Boletina onegensis Polevoi, 1995 | |
| Boletina oviducta Garrett, 1924 | |
| Boletina palmata Polevoi, 2013 | |
| Boletina paludivaga ♰ S. H. Scudder, 1890 | |
| Boletina pectinunguis Edwards, 1932 | |
| Boletina pinusia Maximova, 2001 | |
| Boletina plana Walker, 1856 | |
| Boletina populina Polevoi, 1995 | |
| Boletina profectus Shaw & Fisher, 1952 | Small evening primrose |
| Boletina punctus Garrett, 1925 | |
| Boletina sahlbergi (Lundstrom, 1906) | ⇒ Katatopygia erythropyga Holmgren, 1883 |
| Boletina sciarina Staeger, 1840 | Blue weed |
| Boletina sedula Johannsen, 1912 | |
| Boletina sepulta ♰ S. H. Scudder, 1877 | |
| Boletina shermani Garrett, 1924 | |
| Boletina sobria Johannsen, 1912 | |
| Boletina subatra Fisher, 1938 | |
| Boletina takagii Sasakawa & K..., 1974 | |
| Boletina tricincta Loew, 1869 | Juniper globemallow |
| Boletina umbratica ♰ S. H. Scudder, 1890 | |
| Boletina unusa Garrett, 1924 | |
| Boletina villosa Landrock, 1912 | |
| Bolitophila (Bolitophila) austriaca Mayer, 1950 | |
| Bolitophila (Bolitophila) cinerea Meigen, 1818 | |
| Bolitophila (Cliopisa) bimaculata Zetterstedt, 1838 | |
| Bolitophila (Cliopisa) dubia Siebke, 1863 | Plains beeblossom |
| Bolitophila (Cliopisa) hybrida Meigen, 1804 | |
| Bolitophila (Cliopisa) occlusa Edwards, 1913 | |
| Bolitophila acuta Garrett, 1925 | |
| Bolitophila alberta Fisher, 1937 | Compact conardia moss |
| Bolitophila atlantica Fisher, 1934 | |
| Bolitophila bilobata Garrett, 1925 | |
| Bolitophila bucera Shaw, 1940 | Lewis River suncup |
| Bolitophila clavata Garrett, 1925 | |
| Bolitophila connectans Garrett, 1925 | |
| Bolitophila distus Fisher, 1937 | Compact conardia moss |
| Bolitophila dubiosa Van Duzee, 1928 | Parish's yampah |
| Bolitophila dupla Garrett, 1925 | |
| Bolitophila montana Coquillett, 1901 | |
| Bolitophila patulosa Garrett, 1925 | |
| Bolitophila perlata Garrett, 1925 | |
| Bolitophila pulveris ♰ S. E. Lewis, 1969 | |
| Bolitophila raca Garrett, 1925 | |
| Bolitophila recurva Garrett, 1925 | |
| Bolitophila simplex Garrett, 1925 | |
| Bolitophila subteresa Garrett, 1925 | |
| Bolitophila warreni Greenwalt & ..., 2019 | |
| Brachycampta adunca Zaitzev, 1992 | |
| Brachycampta protenta Lastovka & M..., 1974 | |
| Brachycampta rindeni Kjaerandsen, 2007 | |
| Brachycampta subpistillata Šev�ik, 1999 | |
| Brachypeza abita ♰ S. H. Scudder, 1877 | |
| Brachypeza brevitibia Van Duzee, 1928 | Parish's yampah |
| Brachypeza dentica Guthrie, 1917 | |
| Brachypeza divergens Johannsen, 1912 | |
| Brachypeza errans Garrett, 1925 | |
| Brachypeza procera ♰ S. H. Scudder, 1877 | |
| Brachypeza subarmata Zaitzev, 1989 | |
| Bradysia amabilis Skuse, 1888 | |
| Bradysia angustipennis (Winnertz, 1867) | ⇒ Bradysia vagans Winnertz, 1868 |
| Bradysia angustoocularis Mohrig & Kri..., 1989 | |
| Bradysia aprica Winnertz, 1867 | |
| Bradysia arcana Menzel & Mohrig, 1998 | |
| Bradysia bellingeri Shaw, 1953 | Paiute suncup |
| Bradysia biformis Lundbeck, 1898 | |
| Bradysia bigeminata Heller, Hipp..., 2015 | |
| Bradysia bishopi Steffan, 1973 | |
| Bradysia bispina Fisher, 1938 | |
| Bradysia brevispina Tuomikoski, 1960 | |
| Bradysia browni Shaw, 1935 | |
| Bradysia caldaria Lintner, 1895 | |
| Bradysia cellarum Frey, 1948 | |
| Bradysia conglomerata Pettey, 1918 | |
| Bradysia conjuncta Skuse, 1890 | |
| Bradysia coprophila Lintner, 1895 | House plant gnat |
| Bradysia crassicornis Skuse, 1890 | |
| Bradysia cucumeris Johannsen, 1912 | |
| Bradysia dichaeta Shaw, 1941 | |
| Bradysia difformis Frey, 1948 | |
| Bradysia diluta Johannsen, 1912 | Keyhole wasp |
| Bradysia dolens Johannsen, 1912 | |
| Bradysia dux Johannsen, 1912 | |
| Bradysia ericia Pettey, 1918 | |
| Bradysia excelsa Menzel & Mohrig, 1998 | |
| Bradysia expolita Coquillett, 1900 | |
| Bradysia exsequialis Skuse, 1890 | Dark-winged Fungus Gnat |
| Bradysia falcata Pettey, 1918 | |
| Bradysia farri (Shaw, 1953) | ⇒ Lycoriella farri Shaw, 1953 |
| Bradysia fatigans Johannsen, 1912 | |
| Bradysia felti Pettey, 1918 | |
| Bradysia fenestralis (Zetterstedt, 1838) | ⇒ Bradysia arcana Menzel & Mohrig, 1998 |
| Bradysia flavipila Tuomikoski, 1960 | |
| Bradysia fochi Pettey, 1918 | |
| Bradysia forcipulata Lundbeck, 1898 | |
| Bradysia frequens Skuse, 1888 | |
| Bradysia froggatti Skuse, 1888 | |
| Bradysia fulvicauda Felt, 1898 | |
| Bradysia fumida Johannsen, 1912 | |
| Bradysia fungicola Winnertz, 1867 | |
| Bradysia giraudii Egger, 1862 | |
| Bradysia grandis Pettey, 1918 | |
| Bradysia groenlandica Holmgren, 1872 | |
| Bradysia hamata Pettey, 1918 | |
| Bradysia hartii Johannsen, 1912 | |
| Bradysia hastata Johannsen, 1912 | |
| Bradysia hilaris (Winnertz, 1867) | ⇒ Bradysia hilariformis Tuomikoski, 1960 |
| Bradysia impatiens Johannsen, 1912 | Dark-winged fungus gnat |
| Bradysia inusitata Tuomikoski, 1960 | |
| Bradysia iridipennis Zetterstedt, 1838 | Fungus gnat |
| Bradysia joffrei Pettey, 1918 | |
| Bradysia johannseni Enderlein, 1912 | Recurved sphagnum |
| Bradysia jucunda Johannsen, 1912 | |
| Bradysia kaiseri Shaw, 1941 | |
| Bradysia lapponica Lengersdorf, 1926 | |
| Bradysia lembkei Mohrig & Menzel, 1990 | |
| Bradysia lobosa Pettey, 1918 | |
| Bradysia longispina Pettey, 1918 | |
| Bradysia luctifica Skuse, 1888 | |
| Bradysia luravi Johannsen, 1929 | |
| Bradysia macclurei Shaw, 1941 | |
| Bradysia macfarlanei Jones, 1920 | |
| Bradysia macrodon (Frey, 1948) | ⇒ Camptochaeta delicata Lengersdorf, 1935 |
| Bradysia macroptera Pettey, 1918 | |
| Bradysia maesta Skuse, 1888 | |
| Bradysia mastersi Skuse, 1888 | |
| Bradysia meigeni Rübsaamen, 1894 | |
| Bradysia mellea Johannsen, 1912 | |
| Bradysia mesochra Shaw, 1941 | |
| Bradysia mexicana Lane, 1959 | |
| Bradysia moesta Frey, 1948 | |
| Bradysia molokaiensis Grimshaw, 1901 | |
| Bradysia munda Johannsen, 1912 | |
| Bradysia mutua Johannsen, 1912 | |
| Bradysia neglecta Johannsen, 1912 | |
| Bradysia nemoralis Meigen, 1818 | |
| Bradysia nervosa Meigen, 1818 | |
| Bradysia nigripes (Meigen, 1830) | ⇒ Bradysia strigata Staeger, 1840 |
| Bradysia nitidicollis (Meigen, 1818) | ⇒ Bradysia aprica Winnertz, 1867 |
| Bradysia normalis Frey, 1948 | |
| Bradysia obesa Yang, Zhang ..., 1995 | |
| Bradysia ocellaris Comstock, 1882 | Dark-winged fungus gnat |
| Bradysia ornatula Skuse, 1888 | |
| Bradysia ovata Pettey, 1918 | |
| Bradysia pallipes Fabricius, 1787 | |
| Bradysia paracantha Yang, Zhang ..., 1995 | |
| Bradysia paradichaeta Shaw, 1941 | |
| Bradysia parilis Johannsen, 1912 | |
| Bradysia parva Holmgren, 1869 | |
| Bradysia penna Pettey, 1918 | |
| Bradysia peraffinis Tuomikoski, 1960 | |
| Bradysia pernitida Skuse, 1888 | |
| Bradysia petaini Pettey, 1918 | |
| Bradysia picea Rübsaamen, 1894 | |
| Bradysia pictipes Skuse, 1888 | |
| Bradysia pilata Pettey, 1918 | |
| Bradysia pilistriata Frey, 1948 | |
| Bradysia placida Winnertz, 1867 | |
| Bradysia pollicis Pettey, 1918 | |
| Bradysia polonica Lengersdorf, 1929 | |
| Bradysia praecox Meigen, 1818 | |
| Bradysia prolifica Felt, 1898 | |
| Bradysia quadrispinosa Pettey, 1918 | |
| Bradysia radicum Brunetti, 1912 | Dark-winged fungus gnat |
| Bradysia reynoldsi Metz, 1938 | |
| Bradysia scabricornis Tuomikoski, 1960 | |
| Bradysia setigera Hardy, 1960 | |
| Bradysia sexdentata Pettey, 1918 | |
| Bradysia silvestrii Kieffer, 1910 | |
| Bradysia simulatrix Lengersdorf, 1940 | |
| Bradysia spatitergum Hardy, 1956 | |
| Bradysia spinata Pettey, 1918 | |
| Bradysia splendida Mohrig & Kri..., 1989 | |
| Bradysia strenua Winnertz, 1867 | |
| Bradysia strigata Staeger, 1840 | |
| Bradysia subalpina Frey, 1948 | |
| Bradysia subgrandis Shaw, 1941 | |
| Bradysia tilicola Loew, 1850 | |
| Bradysia trifurca Pettey, 1918 | |
| Bradysia tritici (Coquillett, 1895) | ⇒ Bradysia ocellaris Comstock, 1882 |
| Bradysia trivialis Johannsen, 1912 | |
| Bradysia trivittata Staeger, 1840 | |
| Bradysia unguicauda Malloch, 1923 | |
| Bradysia unica Skuse, 1888 | |
| Bradysia urticae Mohrig & Menzel, 1992 | |
| Bradysia vagans Winnertz, 1868 | |
| Bradysia varians Johannsen, 1912 | |
| Bradysia vernalis Zetterstedt, 1851 | |
| Bradysiopsis postvittigera Mohrig & Kau..., 2016 | |
| Bradysiopsis praevittata Mohrig & Kau..., 2016 | |
| Bradysiopsis praevittigera Mohrig & Kau..., 2016 | |
| Bradysiopsis subvittigera Mohrig & Kau..., 2016 | |
| Bradysiopsis vittata Meigen, 1830 | |
| Bradysiopsis vittigera Zetterstedt, 1851 | |
| Brevicornu (Brevicornu) auriculatum Edwards, 1925 | |
| Brevicornu (Brevicornu) foliatum Edwards, 1925 | |
| Brevicornu (Brevicornu) kingi Edwards, 1925 | |
| Brevicornu affinis Zaitzev, 1988 | California prickly phlox |
| Brevicornu arctica Lundström, 1913 | |
| Brevicornu arcticum Lundstrom, 1913 | |
| Brevicornu beata Johannsen, 1912 | |
| Brevicornu beatum Johannsen, 1912 | |
| Brevicornu bella Johannsen, 1912 | |
| Brevicornu bellum Johannsen, 1912 | |
| Brevicornu bipartitum Lastovka & M..., 1974 | Leadwort |
| Brevicornu californiense Zaitzev, 1985 | California prickly phlox |
| Brevicornu callida Johannsen, 1912 | |
| Brevicornu canadense Zaitzev, 1988 | California prickly phlox |
| Brevicornu cognata Ostroverchova, 1979 | |
| Brevicornu crassicornis Stannius, 1831 | |
| Brevicornu cristatum Zaitzev, 1985 | California prickly phlox |
| Brevicornu cuspidatum Zaitzev, 1992 | |
| Brevicornu delita Johannsen, 1912 | |
| Brevicornu disjunctum Zaitzev, 1988 | California prickly phlox |
| Brevicornu elata Johannsen, 1912 | |
| Brevicornu eximium Zaitzev, 1988 | California prickly phlox |
| Brevicornu fissicauda Lundström, 1911 | |
| Brevicornu fuscipenne Stæger, 1840 | |
| Brevicornu griseicolle Stæger, 1840 | |
| Brevicornu griseicollis Staeger, 1840 | |
| Brevicornu improvisum Zaitzev, 1992 | |
| Brevicornu melanderi Zaitzev, 1988 | California prickly phlox |
| Brevicornu nigrofusca Lundström, 1909 | |
| Brevicornu nigrofuscum Lundstrom, 1909 | |
| Brevicornu occidentale Zaitzev, 1988 | California prickly phlox |
| Brevicornu pedatum Zatizev, 1988 | California prickly phlox |
| Brevicornu proprium Zaitzev, 1992 | |
| Brevicornu quadriseta Tonnoir & Ed..., 1927 | |
| Brevicornu sericoma Meigen, 1830 | |
| Brevicornu setulosum Zaitzev, 1988 | California prickly phlox |
| Brevicornu subarcticum Zaitzev, 1992 | |
| Brevicornu subfissicauda Zaitzev, 1985 | California prickly phlox |
| Camptochaeta abnormalis Mohrig & Kau..., 2017 | |
| Camptochaeta aequidens Hippa & Vilk..., 1994 | |
| Camptochaeta bournei Shaw, 1941 | |
| Camptochaeta camptochaeta Tuomikoski, 1960 | |
| Camptochaeta camptochaetosa Mohrig & Kau..., 2017 | |
| Camptochaeta chilkatensis Vilkamaa & M..., 2017 | |
| Camptochaeta cladiator Hippa & Vilk..., 1994 | |
| Camptochaeta consimilis Holmgren, 1869 | |
| Camptochaeta cursor Hippa & Vilk..., 1994 | |
| Camptochaeta curtipilosa Vilkamaa & M..., 2017 | |
| Camptochaeta delicata Lengersdorf, 1935 | |
| Camptochaeta duplicata Hippa & Vilk..., 1994 | |
| Camptochaeta exilis Hippa & Vilk..., 1994 | |
| Camptochaeta exquisita Vilkamaa & M..., 2017 | |
| Camptochaeta falcator Hippa & Vilk..., 1994 | |
| Camptochaeta falcidens Hippa & Vilk..., 1994 | |
| Camptochaeta flagellifera Hippa & Vilk..., 1994 | |
| Camptochaeta fulvistylata Vilkamaa & M..., 2017 | |
| Camptochaeta furcata (Hippa & Vilk..., 1994) | ⇒ Corynoptera furcata Hippa & Vilk..., 1994 |
| Camptochaeta grimaldii Mohrig & Kau..., 0 | |
| Camptochaeta hirtula Lengersdorf, 1934 | |
| Camptochaeta inflata Hippa & Vilk..., 1994 | |
| Camptochaeta longicosta Hippa & Vilk..., 1994 | |
| Camptochaeta mimica Hippa & Vilk..., 1994 | |
| Camptochaeta multispina Mohrig & Rulik, 0 | |
| Camptochaeta mutua Johannsen, 1912 | |
| Camptochaeta pellax Hippa & Vilk..., 1994 | |
| Camptochaeta pelleax Hippa & Vilk..., 1994 | |
| Camptochaeta praexystica Mohrig & Kau..., 2017 | |
| Camptochaeta quadriceps Hippa & Vilk..., 1994 | |
| Camptochaeta simulator Hippa & Vilk..., 1994 | |
| Camptochaeta spicigera Hippa & Vilk..., 1994 | |
| Camptochaeta subxystica Mohrig & Kau..., 2017 | |
| Camptochaeta uniceps Hippa & Vilk..., 1994 | |
| Camptochaeta uniformis Mohrig & Menzel, 1990 | |
| Camptochaeta unispina Mohrig & Kau..., 2017 | |
| Camptochaeta xystica Hippa & Vilk..., 1994 | |
| Camptochaeta xysticoides Hippa & Vilk..., 1994 | |
| Chaetosciara joffrei Pettey, 1918 | |
| Chalcedona perdiceas | |
| Claustropyga abblanda Freeman, 1983 | |
| Claustropyga acanthostyla Tuomikoski, 1960 | |
| Claustropyga aperta Hippa, Vilka..., 2003 | |
| Claustropyga auriculata Hippa, Vilka..., 2003 | |
| Claustropyga corticis Mohrig & Ant..., 1978 | |
| Claustropyga elizabethae Hippa, Vilka..., 2003 | |
| Claustropyga mirifica Vilkamaa & H..., 2007 | |
| Claustropyga obtusidens Hippa, Vilka..., 2003 | |
| Claustropyga postbrevichaeta Mohrig & Kau..., 2017 | |
| Claustropyga refrigerata Lengersdorf, 1930 | |
| Claustropyga sajanica Mohrig & Ant..., 1978 | |
| Claustropyga simplicis Hippa, Vilka..., 2003 | |
| Claustropyga spicea Vilkamaa & H..., 2007 | |
| Claustropyga subbrevichaeta Mohrig & Kau..., 2017 | |
| Claustropyga subcorticis Mohrig & Kri..., 1985 | |
| Claustropyga triloba Vilkamaa & H..., 2007 | |
| Cluzobra antennulata Coher, 1997 | |
| Coelophthinia curta Johannsen, 1912 | |
| Coelosia brevilobata Soli, 1997 | |
| Coelosia gracilis Johannsen, 1912 | |
| Coelosia huitzilopochtlii Soli, 1997 | |
| Coelosia lepida Johannsen, 1912 | |
| Coelosia longilobata Soli, 1997 | |
| Coelosia modesta Johannsen, 1912 | |
| Coelosia pygophora Coquillett, 1904 | |
| Coelosia quetzalcoatli Soli, 1997 | |
| Coelosia scopariata Soli, 1997 | |
| Coelosia succinacea Soli, 1997 | |
| Coelosia tenella Zetterstedt, 1852 | |
| Coelosia tezcatlipocai Soli, 1997 | |
| Coelosia tlaloci Soli, 1997 | |
| Coelosia truncata Lundström, 1909 | |
| Coelosia vockerothi Soli, 1997 | |
| Coelosia xochiquetzali Soli, 1997 | |
| Coelosia xolotli Soli, 1997 | |
| Cordyla confera Garrett, 1925 | |
| Cordyla gracilis Fisher, 1938 | |
| Cordyla manca Johannsen, 1912 | |
| Cordyla neglecta Johannsen, 1912 | |
| Cordyla parva Garrett, 1925 | |
| Cordyla parvipalpis Edwards, 1925 | |
| Cordyla recens Johannsen, 1912 | |
| Cordyla scita Johannsen, 1912 | |
| Cordyla scutellata Garrett, 1925 | |
| Cordyla verio Garrett, 1925 | |
| Cordyla volucris Johannsen, 1909 | Panal |
| Corynoptera armigera Vilkamaa & H..., 2006 | |
| Corynoptera barbata Tuomikoski, 1960 | |
| Corynoptera bicuspidata Lengersdorf, 1926 | |
| Corynoptera blanda Winnertz, 1867 | |
| Corynoptera bocheri Vilkamaa & M..., 2017 | |
| Corynoptera brevipalpis Steffan, 1969 | Dark-winged fungus gnat |
| Corynoptera cuniculata Lengersdorf, 1942 | |
| Corynoptera deserta (Heller & Menzel, 2006) | ⇒ Corynoptera inundata Fritz, 1982 |
| Corynoptera facticia Mohrig & Jas..., 1999 | |
| Corynoptera faculta Rudzinski, 2006 | |
| Corynoptera fera Mohrig & Heller, 1992 | |
| Corynoptera fratercula Vilkamaa & H..., 2006 | |
| Corynoptera furcata Hippa & Vilk..., 1994 | |
| Corynoptera globiformis Frey, 1945 | |
| Corynoptera harrisi Edwards, 1927 | |
| Corynoptera latistylata Hardy, 1956 | Dark-winged fungus gnat |
| Corynoptera lugens Johannsen, 1912 | |
| Corynoptera luravi Johannsen, 1929 | |
| Corynoptera luteola Pettey, 1918 | |
| Corynoptera macclurei Shaw, 1941 | |
| Corynoptera melanochaeta Mohrig & Menzel, 1992 | |
| Corynoptera minima (Meigen, 1818) | ⇒ Corynoptera ovatula Menzel & Mohrig, 2000 |
| Corynoptera minutela Skuse, 1888 | |
| Corynoptera ovatula Menzel & Mohrig, 2000 | |
| Corynoptera parvula (Winnertz, 1867) | ⇒ Corynoptera furcata Hippa & Vilk..., 1994 |
| Corynoptera penna Pettey, 1918 | |
| Corynoptera perfecta Pettey, 1918 | |
| Corynoptera perochaeta Mohrig & Menzel, 1990 | |
| Corynoptera perpusilla Winnertz, 1867 | |
| Corynoptera plusiochaeta Hippa, Vilka..., 2010 | |
| Corynoptera polana Rudzinski, 2009 | |
| Corynoptera praeforcipata Mohrig & Mamaev, 1987 | |
| Corynoptera prominens Hardy, 1956 | |
| Corynoptera prosospina Mohrig & Jas..., 1999 | |
| Corynoptera redunca Hippa, Vilka..., 2010 | |
| Corynoptera robustior Vilkamaa & H..., 2006 | |
| Corynoptera saccata Tuomikoski, 1960 | |
| Corynoptera spoeckeri Lengersdorf, 1930 | |
| Corynoptera subcavipes Menzel & Smith, 2007 | |
| Corynoptera subparvula Tuomikoski, 1960 | |
| Corynoptera subtrivialis Pettey, 1918 | |
| Corynoptera tapleyi Edwards, 1927 | |
| Corynoptera tetrachaeta Tuomikoski, 1960 | |
| Corynoptera trepida Winnertz, 1867 | |
| Corynoptera umbrata Hippa & Menzel, 2010 | |
| Corynoptera vagula Tuomikoski, 1960 | |
| Cosmosciara hartii Johannsen, 1912 | Dark-winged fungus gnat |
| Cratyna (Cratyna) ambigua Lengersdorf, 1934 | |
| Cratyna (Cratyna) cryptospina Rudzinski, 1993 | |
| Cratyna (Cratyna) symplecta Rudzinski, 1991 | |
| Cratyna (Cratyna) uliginosa Lengersdorf, 1929 | |
| Cratyna (Spathobdella) keilini Edwards, 1915 | |
| Cratyna (Spathobdella) nobilis Winnertz, 1867 | |
| Cratyna (Spathobdella) perplexa Winnertz, 1867 | |
| Cratyna (Spathobdella) tuberculata Tuomikoski, 1960 | |
| Cratyna arenicola Steffan, 1984 | |
| Cratyna johnstoni Shaw, 1935 | |
| Cratyna uliginosoides Heller, Köh..., 2016 | |
| Cratyna vagabunda Winnertz, 1867 | |
| Ctenosciara constrictans Edwards, 1927 | |
| Ctenosciara destita Lengersdorf, 1944 | |
| Ctenosciara hawaiiensis Hardy, 1956 | |
| Ctenosciara hyalipennis Meigen, 1804 | |
| Ctenosciara ovalis Edwards, 1927 | |
| Ctenosciara xanthonota Edwards, 1927 | |
| Dichopygina aculeata Vilkamaa, Hi..., 2004 | |
| Dichopygina bernhardi Vilkamaa, Hi..., 2004 | |
| Dichopygina duplicis Vilkamaa, Hi..., 2004 | |
| Dichopygina nigrohalteralis Frey, 1948 | |
| Dichopygina perfecta Pettey, 1918 | |
| Dichopygina praeaculeata Mohrig & Kau..., 2017 | |
| Dichopygina ramosa Vilkamaa, Hi..., 2004 | |
| Dichopygina stricta Vilkamaa, Hi..., 2004 | |
| Diomonus palaeospilus Cockerell, 1921 | |
| Docosia aceus Garrett, 1925 | |
| Docosia affinis Garrett, 1925 | |
| Docosia apicula Garrett, 1925 | |
| Docosia defecta Van Duzee, 1928 | Parish's yampah |
| Docosia dialata Van Duzee, 1928 | Parish's yampah |
| Docosia dichroa Loew, 1869 | Juniper globemallow |
| Docosia garretti de Oliveira ..., 2010 | |
| Docosia gilvipes Haliday, 1856 | |
| Docosia longicornis (Coquillett, 1901) | ⇒ Dziedzickia longicornis Coquillett, 1901 |
| Docosia melita Chandler & Gatt, 2000 | |
| Docosia nebulosa Garrett, 1925 | |
| Docosia nigella Johannsen, 1912 | |
| Docosia nigrita Garrett, 1925 | |
| Docosia nitida Johannsen, 1912 | |
| Docosia obscura Coquillett, 1901 | |
| Docosia paradichroa Fisher, 1937 | Compact conardia moss |
| Docosia setosa (Landrock, 1916) | ⇒ Docosia garretti de Oliveira ..., 2010 |
| Docosia similis Garrett, 1925 | |
| Docosia vierecki Garrett, 1925 | |
| Docosia vittata (Coquillett, 1901) | ⇒ Dziedzickia vittata Coquillett, 1901 |
| Drepanocercus ensifer Vockeroth, 1980 | |
| Dynatosoma aurei Guthrie, 1917 | |
| Dynatosoma aureum Guthrie, 1917 | |
| Dynatosoma bifasciata Walker, 1848 | |
| Dynatosoma bifasciatum Walker, 1848 | |
| Dynatosoma coquilletti Landrock, 1918 | Little deserttrumpet |
| Dynatosoma fulvidum Coquillett, 1895 | |
| Dynatosoma fuscicorne Meigen, 1818 | Fungus gnat |
| Dynatosoma fuscicornis Meigen, 1818 | |
| Dynatosoma grandis Garrett, 1925 | |
| Dynatosoma huliphila Garrett, 1925 | |
| Dynatosoma huliphilum Garrett, 1925 | |
| Dynatosoma montanum Garrett, 1925 | |
| Dynatosoma montanus Garrett, 1925 | |
| Dynatosoma obscurum Zaitzev, 1988 | |
| Dynatosoma occidentale Zaitzev, 1988 | |
| Dynatosoma placidum Johannsen, 1912 | |
| Dynatosoma reciprocum Walker, 1848 | |
| Dynatosoma rotundatum Zaitzev, 1988 | |
| Dynatosoma thoracica (Coquillett, 1901) | ⇒ Dynatosoma coquilletti Landrock, 1918 |
| Dynatosoma thoracicum Zetterstedt, 1838 | |
| Dziedzickia fasciata Johannsen, 1912 | |
| Dziedzickia fuscipennis Coquillett, 1905 | |
| Dziedzickia johannseni ♰ (F. Meunier, 1917) | ⇒ Syntemna immaculata Cole, 1919 |
| Dziedzickia longicornis Coquillett, 1901 | |
| Dziedzickia nashi ♰ V. A. Blagod..., 2004 | |
| Dziedzickia pentastylobia Baxter, 1989 | |
| Dziedzickia polyzona Loew, 1869 | |
| Dziedzickia separata Johannsen, 1912 | |
| Dziedzickia vittata Coquillett, 1901 | |
| Ectrepesthoneura bicolor Coquillett, 1901 | |
| Ectrepesthoneura canadensis Zaitzev, 1993 | |
| Ectrepesthoneura laffooni Chandler, 1980 | |
| Ectrepesthoneura loffooni Chandler, 1980 | |
| Ectrepesthoneura swolenskyi ♰ V. A. Blagod..., 2004 | |
| Empheria nepticula (Loew, 1870) | ⇒ Neoempheria nepticula Loew, 1869 |
| Epicypta aterrima Zetterstedt, 1852 | |
| Epicypta chaetophora Matile, 1979 | |
| Epicypta helvopicta Chandler, 1981 | |
| Epicypta lepida Chandler, 1981 | |
| Epicypta limnophila Chandler, 1981 | |
| Epicypta punctum Stannius, 1831 | |
| Epicypta scatophora (Perris, 1849) | ⇒ Epicypta limnophila Chandler, 1981 |
| Epicypta trinotata | |
| Epidapus (Epidapus) espinosalus Mohrig & Jas..., 1999 | |
| Epidapus (Epidapus) microthorax Börner, 1903 | |
| Epidapus johannseni Shaw, 1953 | |
| Epidapus pallidus Seguy, 1961 | Black fungus gnat |
| Eudicrana obumbrata Loew, 1869 | Juniper globemallow |
| Eudicrania obumbrata (Loew, 1869) | ⇒ Eudicrana obumbrata Loew, 1869 |
| Exechia abrupta Johannsen, 1912 | |
| Exechia absoluta Johannsen, 1912 | |
| Exechia absurda Johannsen, 1912 | |
| Exechia adamsi Laffoon, 1965 | |
| Exechia aequalis Van Duzee, 1928 | Parish's yampah |
| Exechia alexanderi Shaw, 1951 | Narrowleaf suncup |
| Exechia analis (Coquillett, 1901) | ⇒ Exechia adamsi Laffoon, 1965 |
| Exechia angustata Van Duzee, 1928 | Parish's yampah |
| Exechia assidua Johannsen, 1912 | |
| Exechia attrita Johannsen, 1912 | |
| Exechia auxiliaria Johannsen, 1912 | |
| Exechia aviculata Shaw, 1935 | Redclay suncup |
| Exechia bella Johannsen, 1912 | |
| Exechia bellula Johannsen, 1912 | |
| Exechia bicincta Staeger, 1840 | |
| Exechia bifurcata Fisher, 1934 | |
| Exechia bilobata Shaw, 1951 | Narrowleaf suncup |
| Exechia borealis (Van Duzee, 1928) | ⇒ Exechia spinuligera Lundstrom, 1912 |
| Exechia brevipetiolata Van Duzee, 1928 | Parish's yampah |
| Exechia canalicula Johannsen, 1912 | |
| Exechia capillata Johannsen, 1912 | |
| Exechia captiva Johannsen, 1912 | |
| Exechia cincinnata Johannsen, 1912 | |
| Exechia cincta Winnertz, 1863 | |
| Exechia clepsydra Fisher, 1937 | Compact conardia moss |
| Exechia contaminata Winnertz, 1863 | Spreading phlox |
| Exechia dorsalis Stæger, 1840 | |
| Exechia festiva Winnertz, 1863 | |
| Exechia filata Tonnoir & Ed..., 1927 | |
| Exechia frigida Boheman, 1865 | |
| Exechia fusca Meigen, 1804 | |
| Exechia juliaetta ♰ S. E. Lewis, 1969 | |
| Exechia ligulata (Shaw, 1951) | ⇒ Exechiopsis ligulata Lundstrom, 1913 |
| Exechia lundstroemi Landrock, 1923 | Tripod buckwheat |
| Exechia micans Lastovka & M..., 1974 | |
| Exechia nativa Johannsen, 1912 | |
| Exechia nexa Johannsen, 1912 | |
| Exechia nigra Edwards, 1925 | |
| Exechia nigroscutellata Landrock, 1912 | |
| Exechia nitidicollis Lundström, 1913 | |
| Exechia noctivaga Van Duzee, 1928 | Parish's yampah |
| Exechia nugatoria Johannsen, 1912 | |
| Exechia obediens Johannsen, 1912 | |
| Exechia ovata (Fisher, 1934) | ⇒ Pseudexechia ovata Fisher, 1934 |
| Exechia palmata Johannsen, 1912 | |
| Exechia papyracea Stackelberg, 1948 | |
| Exechia parva (Lundstrom, 1909) | ⇒ Exechia capillata Johannsen, 1912 |
| Exechia pectinivalva Stackelberg, 1948 | |
| Exechia perspicua Johannsen, 1912 | |
| Exechia plebeia Walker, 1848 | |
| Exechia pollex Shaw, 1935 | Redclay suncup |
| Exechia pratti Shaw, 1951 | Narrowleaf suncup |
| Exechia priscula ♰ A. L. Melander, 1949 | |
| Exechia pseudofestiva Lackschewitz, 1937 | |
| Exechia pullata Ostroverkhova, 1979 | |
| Exechia quadrata Johannsen, 1912 | |
| Exechia repanda Johannsen, 1912 | |
| Exechia satiata Johannsen, 1912 | |
| Exechia separata Lundstrom, 1912 | |
| Exechia shawi Fisher, 1934 | |
| Exechia similis Lastovka & M..., 1974 | |
| Exechia spinuligera Lundstrom, 1912 | |
| Exechia subfrigida Lastovka & M..., 1974 | |
| Exechia subligulata Shaw, 1952 | Robust suncup |
| Exechia umbratica Aldrich, 1897 | |
| Exechia umbrosa Van Duzee, 1928 | Parish's yampah |
| Exechia unicincta Van Duzee, 1928 | Parish's yampah |
| Exechia unicolor Van Duzee, 1928 | Parish's yampah |
| Exechia unimaculata Zetterstedt, 1860 | |
| Exechiopsis (Exechiopsis) aemula Plassmann, 1984 | |
| Exechiopsis (Exechiopsis) clypeata Lundstrom, 1911 | |
| Exechiopsis (Exechiopsis) fimbriata Lundstrom, 1909 | |
| Exechiopsis (Exechiopsis) indecisa Walker, 1856 | |
| Exechiopsis (Exechiopsis) januarii Lundstrom, 1913 | |
| Exechiopsis (Exechiopsis) lackschewitziana Stackelberg, 1948 | |
| Exechiopsis (Exechiopsis) ligulata Lundstrom, 1913 | |
| Exechiopsis (Exechiopsis) pseudopulchella Lundstrom, 1912 | |
| Exechiopsis (Exechiopsis) pulchella Winnertz, 1863 | |
| Exechiopsis (Exechiopsis) sagittata Lastovka & M..., 1974 | |
| Exechiopsis (Exechiopsis) subulata Winnertz, 1863 | |
| Exechiopsis (Xenexechia) leptura Meigen, 1830 | |
| Exechiopsis aviculata Shaw, 1935 | |
| Exechiopsis nexa Johannsen, 1912 | |
| Exechiopsis nugax Johannsen, 1912 | |
| Exechiopsis perspiqua Johannsen, 1912 | |
| Exechiopsis sichuanensis Wu & Zheng, 2001 | |
| Exechiopsis umbratica Aldrich, 1897 | |
| Fenderomyia smithi (Shaw, 1948) | ⇒ Macrocera smithi Shaw, 1948 |
| Fungivora alexanderi (Laffoon, 1957) | ⇒ Mycetophila alexanderi Laffoon, 1957 |
| Fungivora arnaudi (Laffoon, 1957) | ⇒ Mycetophila arnaudi Laffoon, 1957 |
| Fungivora bentincki (Laffoon, 1957) | ⇒ Mycetophila bentincki Laffoon, 1957 |
| Fungivora bohartorum (Laffoon, 1957) | ⇒ Mycetophila bohartorum Laffoon, 1947 |
| Fungivora browningi (Laffoon, 1957) | ⇒ Mycetophila browningi Laffoon, 1957 |
| Fungivora byersi (Laffoon, 1957) | ⇒ Mycetophila byersi Laffoon, 1957 |
| Fungivora capreolata (Laffoon, 1957) | ⇒ Mycetophila capreolata Laffoon, 1957 |
| Fungivora caurina (Laffoon, 1957) | ⇒ Mycetophila caurina Laffoon, 1957 |
| Fungivora cavillator (Laffoon, 1957) | ⇒ Mycetophila cavillator Laffoon, 1957 |
| Fungivora celator (Laffoon, 1957) | ⇒ Mycetophila celator Laffoon, 1957 |
| Fungivora chamberlini (Laffoon, 1957) | ⇒ Mycetophila chamberlini Laffoon, 1957 |
| Fungivora concinna (Laffoon, 1957) | ⇒ Mycetophila concinna Laffoon, 1957 |
| Fungivora consonans (Laffoon, 1957) | ⇒ Mycetophila consonans Laffoon, 1957 |
| Fungivora cruciator (Laffoon, 1957) | ⇒ Mycetophila cruciator Laffoon, 1957 |
| Fungivora devia Laffoon, 1957 | |
| Fungivora discors (Laffoon, 1957) | ⇒ Mycetophila discors Laffoon, 1957 |
| Fungivora faceta (Laffoon, 1957) | ⇒ Mycetophila faceta Laffoon, 1957 |
| Fungivora fascinator (Laffoon, 1957) | ⇒ Mycetophila fascinator Laffoon, 1957 |
| Fungivora fisherae (Laffoon, 1957) | ⇒ Mycetophila fisherae Laffoon, 1957 |
| Fungivora frustrator (Laffoon, 1957) | ⇒ Mycetophila frustrator Laffoon, 1957 |
| Fungivora hiulca (Laffoon, 1957) | ⇒ Mycetophila hiulca Laffoon, 1957 |
| Fungivora illudens (Laffoon, 1957) | ⇒ Mycetophila illudens Laffoon, 1957 |
| Fungivora itascae (Laffoon, 1957) | ⇒ Mycetophila itascae Laffoon, 1957 |
| Fungivora limata (Laffoon, 1957) | ⇒ Mycetophila limata Laffoon, 1957 |
| Fungivora napaea (Laffoon, 1957) | ⇒ Mycetophila napaea Laffoon, 1957 |
| Fungivora paxillata (Laffoon, 1957) | ⇒ Mycetophila paxillata Laffoon, 1957 |
| Fungivora percursa (Laffoon, 1957) | ⇒ Mycetophila percursa Laffoon, 1957 |
| Fungivora recula (Laffoon, 1957) | ⇒ Mycetophila recula Laffoon, 1957 |
| Fungivora seclusa (Laffoon, 1957) | ⇒ Mycetophila seclusa Laffoon, 1957 |
| Fungivora sepulta (Laffoon, 1957) | ⇒ Mycetophila sepulta Laffoon, 1957 |
| Fungivora sertata (Laffoon, 1957) | ⇒ Mycetophila sertata Laffoon, 1957 |
| Fungivora shawi (Laffoon, 1957) | ⇒ Mycetophila shawi Laffoon, 1957 |
| Fungivora sierrae (Laffoon, 1957) | ⇒ Mycetophila sierrae Laffoon, 1957 |
| Fungivora spleniata (Laffoon, 1957) | ⇒ Mycetophila spleniata Laffoon, 1957 |
| Fungivora stricklandi (Laffoon, 1957) | ⇒ Mycetophila stricklandi Laffoon, 1957 |
| Fungivora subita (Laffoon, 1957) | ⇒ Mycetophila subita Laffoon, 1957 |
| Fungivora uncinata (Laffoon, 1957) | ⇒ Mycetophila uncinata Laffoon, 1957 |
| Fungivora vegeta (Laffoon, 1957) | ⇒ Mycetophila vegeta Laffoon, 1957 |
| Fungivora venusta (Laffoon, 1957) | ⇒ Mycetophila venusta Laffoon, 1957 |
| Fungivora verecunda (Laffoon, 1957) | ⇒ Mycetophila verecunda Laffoon, 1957 |
| Fungivora wirthi (Laffoon, 1957) | ⇒ Mycetophila wirthi Laffoon, 1957 |
| Garrettella shermani Garrett, 1925 | |
| Gnoriste dentoni ♰ Scudder, 1877 | |
| Gnoriste groenlandica (Lundbeck, 1898) | ⇒ Gnoriste longirostris Siebke, 1863 |
| Gnoriste longirostris Siebke, 1863 | Texas beeblossom |
| Gnoriste macra Johannsen, 1912 | |
| Gnoriste macroides Curran, 1927 | |
| Gnoriste megarrhina Osten Sacken, 1877 | |
| Greenomyia cephala Garrett, 1925 | |
| Greenomyia joculator Laffoon, 1965 | |
| Gregikia pallida ♰ V. A. Blagod..., 2004 | |
| Grzegorzekia kerri Fitzgerald, 2019 | |
| Grzegorzekia quercus Fitzgerald, 2019 | |
| Hadroneura kincaidi Coquillett, 1900 | |
| Hadroneura occidentalis Sherman, 1921 | |
| Hadroneura oregona Cole, 1919 | |
| Hadroneura pullata Coquillett, 1904 | |
| Hadroneura rutila Sherman, 1921 | |
| Hyperlasion wasmanni (Schmitz, 1918) | ⇒ Cratyna wasmanni Schmitz, 1919 |
| Impleta polypori Vockeroth, 1980 | |
| Izleiina spinitibialis ♰ V. A. Blagod..., 2004 | |
| Katatopygia erythropyga Holmgren, 1883 | |
| Katatopygia sahlbergi Lundström, 1906 | |
| Keilbachia americana Kauschke, 2017 | |
| Keilbachia neglecta Johannsen, 1912 | |
| Keilbachia semiacuta Kauschke, 2017 | |
| Lecadonileia parvistyla ♰ V. A. Blagod..., 2004 | |
| Leia amabilis Williston, 1900 | |
| Leia barbarae Lindner, 1958 | |
| Leia bivittata (Say, 1829) | ⇒ Leia picta Meigen, 1818 |
| Leia cincta Coquillett, 1895 | |
| Leia concinna Williston, 1896 | |
| Leia cuneola Adams, 1903 | |
| Leia decora Loew, 1869 | |
| Leia dryas Johannsen, 1912 | |
| Leia hemiata Garrett, 1925 | |
| Leia hyalina Coquillett, 1905 | |
| Leia lineola Adams, 1903 | |
| Leia melaena Loew, 1869 | |
| Leia miocenica ♰ T. D. A. Coc..., 1911 | |
| Leia nigricornis Van Duzee, 1928 | |
| Leia nigrocornis Van Duzee, 1928 | Parish's yampah |
| Leia oblectabilis Loew, 1869 | |
| Leia opima Loew, 1869 | |
| Leia plebeja Johannsen, 1912 | |
| Leia punctata Bellardi, 1862 | |
| Leia smithi Edwards, 1933 | |
| Leia striata Williston, 1893 | |
| Leia sublunata Loew, 1869 | |
| Leia trifasciata (Walker, 1848) | ⇒ Leia winthemii Lehmann, 1822 |
| Leia varia Walker, 1848 | Ashy milkweed |
| Leia ventralis Say, 1824 | |
| Leia winthemi (Lehmann, 1822) | ⇒ Leia winthemii Lehmann, 1822 |
| Leia winthemii Lehmann, 1822 | |
| Lejomya hyalina (Coquillett, 1905) | ⇒ Leia hyalina Coquillett, 1905 |
| Leptomorphus (Diomonus) nebulosus Walker, 1848 | |
| Leptomorphus (Leptomorphus) walkeri Curtis, 1831 | |
| Leptomorphus bifasciatus Say, 1824 | |
| Leptomorphus gurneyi (Shaw, 1947) | ⇒ Leptomorphus subcaerulea Coquillett, 1901 |
| Leptomorphus hyalinus Coquillett, 1901 | |
| Leptomorphus magnificus Johannsen, 1910 | |
| Leptomorphus palaeospilus ♰ Cockerell, 1921 | |
| Leptomorphus parvulus (Coquillett, 1901) | ⇒ Allocotocera pulchella Curtis, 1837 |
| Leptomorphus perplexus Borkent, 2012 | |
| Leptomorphus subcaerulea Coquillett, 1901 | |
| Leptomorphus subcaeruleus Coquillett, 1901 | |
| Leptomorphus ypsilon Johannsen, 1912 | |
| Leptosciarella (Leptosciarella) neopalpa Rudzinski, 2005 | |
| Leptosciarella (Leptosciarella) scutellata Staeger, 1840 | |
| Leptosciarella (Leptosciarella) viatica Winnertz, 1867 | |
| Leptosciarella unicorn Garrett, 1925 | |
| Loicia basifurca Vockeroth, 1980 | |
| Lycoriella (Coelostylina) secundaria Mohrig & Menzel, 1990 | |
| Lycoriella (Hemineurina) abbrevinervis Holmgren, 1869 | |
| Lycoriella (Hemineurina) cochleata Rübsaamen, 1898 | |
| Lycoriella (Hemineurina) conspicua Winnertz, 1867 | |
| Lycoriella (Hemineurina) flavipeda Mohrig & Kri..., 1987 | |
| Lycoriella (Hemineurina) janetscheki Lengersdorf, 1953 | |
| Lycoriella (Hemineurina) modesta Staeger, 1840 | Fly |
| Lycoriella (Hemineurina) riparia Holmgren, 1883 | |
| Lycoriella (Hemineurina) venosa (Staeger, 1840) | ⇒ Lycoriella inflata Winnertz, 1867 |
| Lycoriella (Hemineurina) ventrosa Lengersdorf, 1941 | |
| Lycoriella (Hemineurina) vitticollis Holmgren, 1883 | |
| Lycoriella (Lycoriella) agraria (Felt, 1898) | ⇒ Lycoriella ingenua Dufour, 1839 |
| Lycoriella (Lycoriella) castanescens Lengersdorf, 1940 | Mushroom sciarid |
| Lycoriella (Lycoriella) ingenua Dufour, 1839 | Dark-winged fungus gnat |
| Lycoriella (Lycoriella) lundstromi (Frey, 1948) | ⇒ Lycoriella lundstroemi Frey, 1948 |
| Lycoriella (Lycoriella) mali (Fitch, 1856) | ⇒ Lycoriella ingenua Dufour, 1839 |
| Lycoriella (Lycoriella) parva Holmgren, 1869 | |
| Lycoriella (Lycoriella) sativae Johannsen, 1912 | |
| Lycoriella (Lycoriella) solispina Hardy, 1956 | Dark-winged fungus gnat |
| Lycoriella (Lycoriella) stylata Mohrig & Mamaev, 1985 | |
| Lycoriella brevipetiolata Shaw, 1941 | |
| Lycoriella caesar Johannsen, 1929 | |
| Lycoriella conglomerata Pettey, 1918 | |
| Lycoriella farri Shaw, 1953 | |
| Lycoriella fatigans Johannsen, 1912 | |
| Lycoriella glacialis (Rubsaamen, 1898) | ⇒ Lycoriella permutata Lundbeck, 1901 |
| Lycoriella jauva Rapp, 1941 | |
| Lycoriella multiseta Felt, 1898 | Mushroom sciarid |
| Lycoriella pentamera Yang, Zhang ..., 1995 | |
| Lycoriella permutata Lundbeck, 1901 | |
| Lycoriella perochaeta (Mohrig & Menzel, 1990) | ⇒ Corynoptera perochaeta Mohrig & Menzel, 1990 |
| Lycoriella polychaeta Pettey, 1918 | |
| Lycoriella radicum Brunetti, 0 | Dark-winged fungus gnat |
| Lycoriella similans Johannsen, 1925 | |
| Lycoriella trifolii Pettey, 1918 | |
| Lygistorrhina alexi Huerta & Iba..., 2008 | |
| Lygistorrhina borkenti Huerta & Iba..., 2008 | |
| Lygistorrhina sanctaecatharinae Thompson, 1975 | |
| Macrobrachius producta Johannsen, 1912 | |
| Manota grisea Walker, 1848 | |
| Manota hidalgoensis Hippa & Huerta, 2009 | |
| Manota ibanezi Hippa & Huerta, 2009 | |
| Manota mexicapan Hippa & Huerta, 2009 | |
| Manota nubicola Hippa & Huerta, 2009 | |
| Manota nubila Say, 1929 | |
| Manota obscura Walker, 1948 | |
| Megalopelma germanum Johannsen, 1910 | |
| Megalopelma glabana Johannsen, 1910 | |
| Megalopelma glabanum Johannsen, 1910 | |
| Megalopelma socium Johannsen, 1910 | |
| Megophtalmidia occidentalis Johannsen, 1909 | |
| Megophthalmidia occidentalis Johannsen, 1909 | Panal |
| Monoclona conspicua Zaitzev, 1983 | Prickly gilia |
| Monoclona floridensis Fisher, 1946 | |
| Monoclona furcata Johannsen, 1910 | Carpobrotus |
| Monoclona rufilatera Walker, 1837 | |
| Monoclona simplex Garrett, 1925 | |
| Mycetophaetus intermedius Scudder, 1892 | |
| Mycetophila (Abmyceta) recta Johannsen, 1912 | |
| Mycetophila abiecta Lastovka, 1963 | |
| Mycetophila alata Guthrie, 1917 | Pendant kihi fern |
| Mycetophila alberta Curran, 1927 | |
| Mycetophila alea Laffoon, 1965 | |
| Mycetophila alexanderi Laffoon, 1957 | |
| Mycetophila analis (Coquillett, 1901) | ⇒ Exechia adamsi Laffoon, 1965 |
| Mycetophila arnaudi Laffoon, 1957 | |
| Mycetophila attonsa Laffoon, 1957 | |
| Mycetophila autumnalis Lundstrom, 1909 | |
| Mycetophila bentincki Laffoon, 1957 | |
| Mycetophila bipunctata Loew, 1869 | Juniper globemallow |
| Mycetophila bohartorum Laffoon, 1947 | |
| Mycetophila bradenae ♰ T. D. A. Coc..., 1915 | |
| Mycetophila brevitarsata Lastovka, 1963 | |
| Mycetophila browningi Laffoon, 1957 | |
| Mycetophila byersi Laffoon, 1957 | |
| Mycetophila capreolata Laffoon, 1957 | |
| Mycetophila carruthi Shaw, 1951 | Narrowleaf suncup |
| Mycetophila caudata Staeger, 1840 | Blue weed |
| Mycetophila caurina Laffoon, 1957 | |
| Mycetophila cavillator Laffoon, 1957 | |
| Mycetophila celator Laffoon, 1957 | |
| Mycetophila chamberlini Laffoon, 1957 | |
| Mycetophila cingulum Meigen, 1830 | Stalkless yellowcress |
| Mycetophila clavata Van Duzee, 1928 | Parish's yampah |
| Mycetophila comata Laffoon, 1957 | |
| Mycetophila concinna Laffoon, 1957 | |
| Mycetophila consonans Laffoon, 1957 | |
| Mycetophila contigua Walker, 1848 | Ashy milkweed |
| Mycetophila crassicornis (Roser, 1840) | ⇒ Brevicornu crassicorne Stannius, 1831 |
| Mycetophila crassiseta Laffoon, 1957 | |
| Mycetophila crassitarsis Tonnoir & Ed..., 1927 | |
| Mycetophila cruciator Laffoon, 1957 | |
| Mycetophila curviseta Lundstrom, 1911 | |
| Mycetophila denningi (Shaw, 1951) | ⇒ Mycetophila clavata Van Duzee, 1928 |
| Mycetophila dentata Lundström, 1913 | |
| Mycetophila devia (Laffoon, 1957) | ⇒ Mycetophila curviseta Lundstrom, 1911 |
| Mycetophila discors Laffoon, 1957 | |
| Mycetophila dziedzickii Chandler, 1977 | |
| Mycetophila edura Johannsen, 1912 | |
| Mycetophila eppingensis Chandler, 2001 | |
| Mycetophila exstincta Loew, 1869 | Juniper globemallow |
| Mycetophila faceta Laffoon, 1957 | |
| Mycetophila falcata Johannsen, 1912 | |
| Mycetophila fascinator Laffoon, 1957 | |
| Mycetophila fatua Johannsen, 1912 | |
| Mycetophila favonica Chandler, 1993 | |
| Mycetophila fenestrata (Coquillett, 1904) | ⇒ Mycetophila ocellus Walker, 1848 |
| Mycetophila finlandica Edwards, 1913 | Elegant asterella |
| Mycetophila fisherae Laffoon, 1957 | |
| Mycetophila foecunda Johannsen, 1912 | |
| Mycetophila forcipata Lundstrom, 1913 | |
| Mycetophila formosa Lundstrom, 1911 | |
| Mycetophila frustrator Laffoon, 1957 | |
| Mycetophila fungorum De Geer, 1776 | |
| Mycetophila gemerensis evík & Kurina, 2011 | |
| Mycetophila ghanii Shaw, 1951 | Narrowleaf suncup |
| Mycetophila grisescens Tonnoir & Ed..., 1927 | |
| Mycetophila hansoni | |
| Mycetophila harrisi Tonnoir & Ed..., 1927 | |
| Mycetophila hiulca Laffoon, 1957 | |
| Mycetophila hopkinsii (Coquillett, 1895) | ⇒ Boletina hopkinsii Coquillett, 1895 |
| Mycetophila hutsoni Duret, 1981 | |
| Mycetophila ichneumonea Say, 1823 | |
| Mycetophila illudens Laffoon, 1957 | |
| Mycetophila impellans Johannsen, 1912 | |
| Mycetophila intermedia Tonnoir & Ed..., 1927 | |
| Mycetophila itascae Laffoon, 1957 | |
| Mycetophila jucunda Johannsen, 1912 | |
| Mycetophila jugata Johannsen, 1912 | |
| Mycetophila kiamichii | |
| Mycetophila laeta Walker, 1848 | Ashy milkweed |
| Mycetophila laffooni Lastovca, 1972 | California sea lavender |
| Mycetophila lapponica Lundstrom, 1906 | |
| Mycetophila latifascia Tonnoir & Ed..., 1927 | |
| Mycetophila lenis Johannsen, 1912 | |
| Mycetophila lenta Johannsen, 1912 | |
| Mycetophila limata Laffoon, 1957 | |
| Mycetophila luctuosa Meigen, 1830 | Stalkless yellowcress |
| Mycetophila marginepunctata rotundipennis Tonnoir, 1927 | |
| Mycetophila marginepunctata ruapehuensis Tonnoir & Ed..., 1927 | |
| Mycetophila merdigera Knab & Zwalu..., 1918 | |
| Mycetophila mitis Johannsen, 1912 | |
| Mycetophila mohilevensis Dziedzicki, 1884 | |
| Mycetophila moravica Landrock, 1925 | Contra Costa buckwheat |
| Mycetophila napaea Laffoon, 1957 | |
| Mycetophila neofungorum Chandler, 1993 | |
| Mycetophila nigripalpis Tonnoir & Ed..., 1927 | |
| Mycetophila nitidula Tonnoir & Ed..., 1927 | |
| Mycetophila nubila (Say, 1829) | ⇒ Manota nubila Say, 1929 |
| Mycetophila obscura (Walker, 1848) | ⇒ Mycetophila dziedzickii Chandler, 1977 |
| Mycetophila occultata ♰ Scudder, 1877 | |
| Mycetophila ocellus Walker, 1848 | Ashy milkweed |
| Mycetophila parva Walker, 1848 | Ashy milkweed |
| Mycetophila parvimaculata Van Duzee, 1928 | Parish's yampah |
| Mycetophila paula Loew, 1869 | |
| Mycetophila paxillata Laffoon, 1957 | |
| Mycetophila pectita Johannsen, 1912 | |
| Mycetophila percursa Laffoon, 1957 | |
| Mycetophila perita Johannsen, 1912 | |
| Mycetophila perpallida Chandler, 1993 | |
| Mycetophila persica (Riley, 1867) | ⇒ Mycetobia divergens Walker, 1856 |
| Mycetophila phyllura Tonnoir & Ed..., 1927 | |
| Mycetophila pictula Meigen, 1830 | Stalkless yellowcress |
| Mycetophila pinguis Loew, 1869 | Juniper globemallow |
| Mycetophila pollicata Edwards, 1927 | |
| Mycetophila procera Loew, 1869 | Juniper globemallow |
| Mycetophila propinqua Walker, 1848 | Ashy milkweed |
| Mycetophila pumila Winnertz, 1863 | |
| Mycetophila recula Laffoon, 1957 | |
| Mycetophila rijsaria | |
| Mycetophila riparia Chandler, 1993 | |
| Mycetophila ruficollis Meigen, 1818 | |
| Mycetophila scitula Laffoon, 1957 | |
| Mycetophila scotica Edwards, 1941 | |
| Mycetophila seclusa Laffoon, 1957 | |
| Mycetophila sepulta Laffoon, 1957 | |
| Mycetophila sertata Laffoon, 1957 | |
| Mycetophila shawi Laffoon, 1957 | |
| Mycetophila sierrae Laffoon, 1957 | |
| Mycetophila sigillata Dziedzicki, 1884 | |
| Mycetophila sigmoides Loew, 1869 | Juniper globemallow |
| Mycetophila signatoides Dziedzicki, 1884 | |
| Mycetophila sordida Wulp, 1874 | Lesser yellowthroat gilia |
| Mycetophila spleniata Laffoon, 1957 | |
| Mycetophila stolida Walker, 1856 | Engelmann's milkweed |
| Mycetophila stricklandi Laffoon, 1957 | |
| Mycetophila strigata Staeger, 1840 | Blue weed |
| Mycetophila strigatoides Landrock, 1927 | |
| Mycetophila subita Laffoon, 1957 | |
| Mycetophila subquatuornotata (Shaw, 1940) | ⇒ Mycetophila trinotata Staeger, 1840 |
| Mycetophila tapleyi Tonnoir & Ed..., 1927 | |
| Mycetophila tenebrosa Tonnoir & Ed..., 1927 | |
| Mycetophila thioptera Shaw, 1940 | Lewis River suncup |
| Mycetophila trifasciata (Coquillett, 1904) | ⇒ Mycetophila paula Loew, 1869 |
| Mycetophila trinotata Staeger, 1840 | Blue weed |
| Mycetophila uliginosa Chandler, 1988 | |
| Mycetophila uncinata Laffoon, 1957 | |
| Mycetophila uninotata Zetterstedt, 1852 | |
| Mycetophila unipunctata Meigen, 1818 | |
| Mycetophila vegeta Laffoon, 1957 | |
| Mycetophila venusta Laffoon, 1957 | |
| Mycetophila verecunda Laffoon, 1957 | |
| Mycetophila vesca Laffoon, 1957 | |
| Mycetophila viridis Tonnoir & Ed..., 1927 | |
| Mycetophila vitrea (Coquillett, 1905) | ⇒ Epicypta aterrima Zetterstedt, 1852 |
| Mycetophila vittipes Zetterstedt, 1852 | |
| Mycetophila vulgaris Tonnoir & Ed..., 1927 | |
| Mycetophila wirthi Laffoon, 1957 | |
| Mycoleia unicolor Walker, 1848 | |
| Mycomya (Calomycomya) pulchella Dziedzicki, 1885 | |
| Mycomya (Lycomya) pectinifera Edwards, 1924 | |
| Mycomya (Mycomya) bicolor Dziedzicki, 1885 | |
| Mycomya (Mycomya) caulfieldi (Garrett, 1924) | ⇒ Mycomya terminata Garrett, 1924 |
| Mycomya (Mycomya) cinerascens Macquart, 1826 | |
| Mycomya (Mycomya) danielae Matile, 1972 | Gunnison's rockcress |
| Mycomya (Mycomya) denmax Vaisanen, 1979 | Texas spreadwing |
| Mycomya (Mycomya) furcata Tonnoir & Ed..., 1927 | |
| Mycomya (Mycomya) fuscata Winnertz, 1863 | Snake River phlox |
| Mycomya (Mycomya) griseovittata Zetterstedt, 1852 | |
| Mycomya (Mycomya) humida Garrett, 1924 | |
| Mycomya (Mycomya) islandica Vaisanen, 1984 | |
| Mycomya (Mycomya) kaurii Vaisanen, 1979 | |
| Mycomya (Mycomya) lambi Edwards, 1941 | |
| Mycomya (Mycomya) leporina Vaisanen, 1984 | |
| Mycomya (Mycomya) levis Dziedzicki, 1885 | |
| Mycomya (Mycomya) maculata Meigen, 1804 | |
| Mycomya (Mycomya) neohyalinata Vaisanen, 1984 | |
| Mycomya (Mycomya) nigricornis (Zetterstedt, 1852) | ⇒ Mycomya pectinifera Edwards, 1924 |
| Mycomya (Mycomya) nitida Zetterstedt, 1852 | |
| Mycomya (Mycomya) ornata Meigen, 1818 | |
| Mycomya (Mycomya) parva Dziedzicki, 1885 | |
| Mycomya (Mycomya) polleni Garrett, 1924 | |
| Mycomya (Mycomya) ruficollis Zetterstedt, 1852 | Harkness' flaxflower |
| Mycomya (Mycomya) safena Vaisanen, 1984 | |
| Mycomya (Mycomya) shermani Garrett, 1924 | |
| Mycomya (Mycomya) shewelli Vaisanen, 1984 | |
| Mycomya (Mycomya) siebecki Landrock, 1912 | |
| Mycomya (Mycomya) sigma Johannsen, 1910 | Carpobrotus |
| Mycomya (Mycomya) subarctica Vaisanen, 1979 | Texas spreadwing |
| Mycomya (Mycomya) tenuis Walker, 1856 | |
| Mycomya (Mycomya) terminata Garrett, 1924 | |
| Mycomya (Mycomya) thula Vaisanen, 1984 | |
| Mycomya (Mycomya) trivittata Zetterstedt, 1838 | |
| Mycomya (Mycomya) vulgaris (Garrett, 1924) | ⇒ Mycomya simplex Coquillett, 1905 |
| Mycomya (Mycomya) wankowiczii Dziedzicki, 1885 | |
| Mycomya (Mycomya) winnertzi Dziedzicki, 1885 | |
| Mycomya (Mycomya) woodi Vaisanen, 1984 | |
| Mycomya (Mycomyopsis) affinis (Staeger, 1840) | ⇒ Mycomya fimbriata Meigen, 1818 |
| Mycomya (Mycomyopsis) frequens Johannsen, 1910 | Carpobrotus |
| Mycomya (Mycomyopsis) neolittoralis Vaisanen, 1984 | |
| Mycomya (Mycomyopsis) permixta Vaisanen, 1984 | |
| Mycomya (Mycomyopsis) trilineata (Zetterstedt, 1838) | ⇒ Mycomya winnertzi Dziedzicki, 1885 |
| Mycomya (Neomycomya) fimbriata Meigen, 1818 | |
| Mycomya abegena Vaisanen, 1984 | |
| Mycomya accrescens Vaisanen, 1984 | |
| Mycomya aluco Vaisanen, 1984 | |
| Mycomya amgulata Adams, 1903 | |
| Mycomya amica Vaisanen, 1984 | |
| Mycomya ampla Garrett, 1924 | |
| Mycomya aneura Vaisanen, 1984 | |
| Mycomya angulata Adams, 1903 | |
| Mycomya arcuata Vaisanen, 1984 | |
| Mycomya arnaudi Vaisanen, 1984 | |
| Mycomya ata Garrett, 1924 | |
| Mycomya atus Garrett, 1924 | |
| Mycomya autumnalis Garrett, 1924 | |
| Mycomya biseriata Loew, 1869 | |
| Mycomya breviseta (Vaisanen, 1984) | ⇒ Mycomya permixta Vaisanen, 1984 |
| Mycomya bryanti Vaisanen, 1984 | |
| Mycomya byersi Vaisanen, 1984 | |
| Mycomya calcarata Coquillett, 1904 | |
| Mycomya canoak Vaisanen, 1984 | |
| Mycomya chloratica (Johannsen, 1910) | ⇒ Mycomya recurva Johannsen, 1910 |
| Mycomya cockerelli ♰ O. A. Johannsen, 1912 | |
| Mycomya comesa Vaisanen, 1984 | |
| Mycomya cranbrooki Garrett, 1924 | |
| Mycomya dentata Fisher, 1937 | Compact conardia moss |
| Mycomya dichaeta Fisher, 1937 | Compact conardia moss |
| Mycomya difficilis Garrett, 1924 | |
| Mycomya dura Garrett, 1924 | |
| Mycomya durus Garrett, 1924 | |
| Mycomya echinata Garrett, 1924 | |
| Mycomya electa Vaisanen, 1984 | |
| Mycomya elephas Vaisanen, 1984 | |
| Mycomya esox Vaisanen, 1984 | |
| Mycomya fasciata (Zetterstedt, 1838) | ⇒ Mycomya griseovittata Zetterstedt, 1852 |
| Mycomya fragilis Loew, 1870 | |
| Mycomya fusca Meigen, 1818 | |
| Mycomya fuscipalpis Van Duzee, 1928 | Parish's yampah |
| Mycomya gimmerthali Landrock, 1925 | |
| Mycomya hirticollis Say, 1824 | |
| Mycomya humidus Garrett, 1924 | |
| Mycomya imitans (Johannsen, 1910) | ⇒ Mycomya pulchella Dziedzicki, 1885 |
| Mycomya imperatrix Vaisanen, 1984 | |
| Mycomya kiamichii Shaw, 1940 | Lewis River suncup |
| Mycomya lithomendax ♰ T. D. A. Coc..., 1915 | |
| Mycomya littoralis Say, 1824 | |
| Mycomya lividella Vaisanen, 1984 | |
| Mycomya lutealis Vaisanen, 1984 | |
| Mycomya macateei Vaisanen, 1984 | |
| Mycomya magnifica Vaisanen, 1984 | |
| Mycomya marginalis Johannsen, 1910 | Carpobrotus |
| Mycomya matrona Vaisanen, 1984 | |
| Mycomya maxima (Johannsen, 1910) | ⇒ Mycomya bicolor Dziedzicki, 1885 |
| Mycomya mendax Johannsen, 1910 | Carpobrotus |
| Mycomya midea Vaisanen, 1984 | |
| Mycomya monosta Vaisanen, 1984 | |
| Mycomya montalba Vaisanen, 1984 | |
| Mycomya muscovita Vaisanen, 1984 | |
| Mycomya mutabilis Sherman, 1921 | Walker's suncup |
| Mycomya nigricauda Adams, 1903 | |
| Mycomya notabilis Staeger, 1840 | |
| Mycomya novagallica Vaisanen, 1984 | |
| Mycomya obliqua Say, 1824 | |
| Mycomya onusta Loew, 1869 | |
| Mycomya oreades Vaisanen, 1984 | |
| Mycomya ostensackeni Vaisanen, 1984 | |
| Mycomya pini Vaisanen, 1984 | |
| Mycomya praeda Vaisanen, 1984 | |
| Mycomya pura Vaisanen, 1984 | |
| Mycomya pyriformis Vaisanen, 1984 | |
| Mycomya rebellicosa Vaisanen, 1984 | |
| Mycomya recurva Johannsen, 1910 | Carpobrotus |
| Mycomya saga Vaisanen, 1984 | |
| Mycomya scopula Fisher, 1937 | Compact conardia moss |
| Mycomya simplex Coquillett, 1905 | |
| Mycomya sphagnicola Shaw, 1941 | Wingfruit suncup |
| Mycomya stares Vaisanen, 1984 | |
| Mycomya sublittoralis Shaw, 1941 | Wingfruit suncup |
| Mycomya tantilla Loew, 1869 | |
| Mycomya tolteca Vaisanen, 1984 | |
| Mycomya triacantha Shaw, 1941 | Wingfruit suncup |
| Mycomya ultima Vaisanen, 1984 | |
| Mycomya unicolor Walker, 1848 | |
| Mycomya wirthi Vaisanen, 1984 | |
| Mycomya yunga Vaisanen, 1984 | |
| Mysetophila favorica | |
| Nedocosia canadensis ♰ V. A. Blagod..., 2004 | |
| Nedocosia novacaesarea ♰ V. A. Blagod..., 2004 | |
| Neoempheria balioptera Loew, 1869 | |
| Neoempheria didyma Loew, 1869 | Juniper globemallow |
| Neoempheria gainesvillensis Khalaf, 1971 | Akulikuli-kula |
| Neoempheria illustris Johannsen, 1910 | Carpobrotus |
| Neoempheria impatiens Johannsen, 1910 | Carpobrotus |
| Neoempheria indulgens Johannsen, 1910 | Carpobrotus |
| Neoempheria kincaidi (Coquillett, 1900) | ⇒ Hadroneura kincaidi Coquillett, 1900 |
| Neoempheria macularis Johannsen, 1910 | Carpobrotus |
| Neoempheria nepticula Loew, 1869 | |
| Neoempheria pullata (Coquillett, 1904) | ⇒ Hadroneura pullata Coquillett, 1904 |
| Neoempheria winnertzi Edwards, 1913 | |
| Neuratalia neuratelia | |
| Neuratelia abrevena Garrett, 1925 | |
| Neuratelia coxalis Coquillett, 1905 | |
| Neuratelia desidiosa Johannsen, 1912 | |
| Neuratelia distincta Garrett, 1925 | |
| Neuratelia eminens Johannsen, 1912 | |
| Neuratelia flexa Van Duzee, 1928 | Parish's yampah |
| Neuratelia grandis Garrett, 1925 | |
| Neuratelia insignifica Shaw, 1941 | Wingfruit suncup |
| Neuratelia nemoralis Meigen, 1818 | Fungus gnat |
| Neuratelia obscura Garrett, 1925 | |
| Neuratelia sayi Aldrich, 1897 | |
| Neuratelia scitula Johannsen, 1912 | |
| Neuratelia scituloides Shaw, 1941 | Wingfruit suncup |
| Neuratelia silvatica Johannsen, 1912 | |
| Novakia lisae Kerr, 2007 | |
| Novakia miloi Kerr, 2007 | |
| Odontosciara nigra Rubsaamen, 1894 | |
| Odontosciara psychina Enderlein, 1911 | |
| Opsion autumnalis Garrett, 1925 | |
| Opsion euloma Wu, 2003 | |
| Opsion johannseni Garrett, 1925 | |
| Opsion nigra Meigen, 1804 | |
| Paratinia recurva Johannsen, 1910 | Carpobrotus |
| Parvicellula fascipennis Edwards, 1927 | |
| Parvicellula hamata Tonnoir & Ed..., 1927 | |
| Parvicellula ruficoxa Tonnoir & Ed..., 1927 | |
| Peyerimhoffia alpina Mohrig, 1978 | |
| Peyerimhoffia jaschhoforum Deady & Heller, 2014 | |
| Peyerimhoffia obtusicauda Strobl, 1900 | |
| Phronia agilis Gagne, 1975 | |
| Phronia avida Gagne, 1975 | |
| Phronia bicolor (Dziedzicki, 1889) | ⇒ Phronia coritanica Chandler, 1992 |
| Phronia braueri Dziedzicki, 1889 | |
| Phronia caliginosa Dziedzicki, 1889 | |
| Phronia cinerascens Winnertz, 1863 | Spreading phlox |
| Phronia conformis Walker, 1856 | |
| Phronia cordata Lundström, 1914 | |
| Phronia cornuta Lundström, 1914 | |
| Phronia cupida Gagne, 1975 | |
| Phronia despecta Walker, 1848 | |
| Phronia digitata Hackman, 1970 | |
| Phronia disgrega Dziedzicki, 1889 | |
| Phronia distincta Hackman, 1970 | |
| Phronia dryas Gagne, 1975 | |
| Phronia effusa Gagne, 1975 | |
| Phronia egregia Dziedzicki, 1889 | |
| Phronia exigua Zetterstedt, 1852 | |
| Phronia felicis Gagne, 1975 | |
| Phronia flavicollis Winnertz, 1863 | |
| Phronia flavipes Winnertz, 1863 | Spreading phlox |
| Phronia forcipula Winnertz, 1863 | Spreading phlox |
| Phronia fusciventris Van Duzee, 1928 | Parish's yampah |
| Phronia gagnei Chandler, 1992 | |
| Phronia gracilis Hackman, 1970 | |
| Phronia hilaris Gagne, 1975 | |
| Phronia incerta Adams, 1907 | |
| Phronia interstincta Dziedzicki, 1975 | |
| Phronia jacosa Gagne, 1975 | |
| Phronia laffooni Gagne, 1975 | |
| Phronia lutescens Hackman, 1970 | |
| Phronia matilei Hackman, 1972 | |
| Phronia melica Gagne, 1975 | |
| Phronia mutabilis Dziedzicki, 1889 | |
| Phronia nebulosa Johannsen, 1912 | |
| Phronia nigricornis Zetterstedt, 1852 | |
| Phronia nigripalpis Lundström, 1909 | |
| Phronia obtusa Winnertz, 1863 | Spreading phlox |
| Phronia oreas Gagne, 1975 | |
| Phronia peculiaris Dziedzicki, 1889 | |
| Phronia persimilis Hackman, 1970 | |
| Phronia petulans Dziedzicki, 1889 | |
| Phronia portschinskyi Dziedzicki, 1889 | |
| Phronia prolongata Salmela & Ko..., 2017 | |
| Phronia siebeckii Dziedzicki, 1889 | |
| Phronia similis Johannsen, 1912 | |
| Phronia strenua (Winnertz, 1863) | ⇒ Phronia flavicollis Winnertz, 1863 |
| Phronia sudetica Dziedzicki, 1889 | |
| Phronia sylvatica Dziedzicki, 1889 | |
| Phronia taczanowskyi (Dziedzicki, 1889) | ⇒ Phronia obtusa Winnertz, 1863 |
| Phronia tenebrosa Coquillett, 1904 | |
| Phronia tenuis Winnertz, 1863 | Spreading phlox |
| Phronia terrea Gagne, 1975 | |
| Phronia tiefii Dziedzicki, 1889 | |
| Phronia versuta Gagne, 1975 | |
| Phronia willistoni Dziedzicki, 1889 | |
| Phthinia carolina Loew, 1869 | |
| Phthinia catawbiensis Loew, 1869 | Lewis River suncup |
| Phthinia curta (Johannsen, 1912) | ⇒ Coelophthinia curta Johannsen, 1912 |
| Phthinia egerminans Loew, 1872 | |
| Phthinia lobata Zaitzev, 1984 | California prickly phlox |
| Phthinia miranda Zaitzev, 1984 | California prickly phlox |
| Phthinia neptunei Fitzgerald &..., 2014 | |
| Phthinia ramificans Zaitzev, 1993 | |
| Phthinia tanypus Loew, 1869 | Juniper globemallow |
| Phthinia winnertzi Mik, 1869 | |
| Phytosciara (Dolichosciara) flavipes Meigen, 1804 | Fungus Gnat |
| Phytosciara (Dolichosciara) saetosa Lengersdorf, 1929 | |
| Phytosciara (Phytosciara) halterata Lengersdorf, 1926 | |
| Phytosciara (Phytosciara) macrotricha Lengersdorf, 1926 | |
| Phytosciara (Phytosciara) vulcanata Steffan, 1973 | |
| Phytosciara (Prosciara) plusiochaeta Hippa & Vilk..., 1991 | |
| Phytosciara (Prosciara) prosciaroides Tuomikoski, 1960 | |
| Phytosciara greylockensis Eiseman, Hel..., 2018 | |
| Phytosciara tetrix Hippa, 1991 | |
| Phytosciara wuyiana Yang, 2003 | |
| Plastosciara arenicola Steffan, 1984 | Elliott's croton |
| Plastosciara johnstoni Shaw, 1935 | |
| Platurocypta immaculata Tonnoir, 1927 | |
| Platurocypta punctum Stannius, 1831 | |
| Pnyxia scabiei Hopkins, 1895 | Potato scab gnat |
| Polylepta guttiventris Zetterstedt, 1852 | |
| Polylepta modesta Van Duzee, 1928 | Parish's yampah |
| Polylepta nigella Johannsen, 1910 | Carpobrotus |
| Polylepta nigellus Johannsen, 1910 | |
| Polylepta obediens (Johannsen, 1910) | ⇒ Polylepta guttiventris Zetterstedt, 1852 |
| Polylepta tibialis (Coquillett, 1901) | ⇒ Synapha tibialis Coquillett, 1901 |
| Proapemon infernus ♰ A. L. Melander, 1949 | |
| Pseudexechia altaica Zaitzev, 1988 | |
| Pseudexechia canalicula Johannsen, 1912 | |
| Pseudexechia ovata Fisher, 1934 | |
| Pseudexechia trisignata Edwards, 1913 | |
| Pseudobrachypeza bulbosa Johannsen, 1912 | |
| Pseudobrachypeza helvetica Walker, 1856 | |
| Pseudolycoriella basisetosa Mohrig & Kau..., 2019 | |
| Pseudolycoriella brevialata Mohrig & Kau..., 2019 | |
| Pseudolycoriella brunnea Bukowski & L..., 1936 | |
| Pseudolycoriella chlorothoracica Mohrig & Kau..., 2019 | |
| Pseudolycoriella compacta Heller, 2000 | |
| Pseudolycoriella geophila Tuomikoski, 1960 | |
| Pseudolycoriella ignobilis Skuse, 1888 | |
| Pseudolycoriella jejuna Edwards, 1927 | |
| Pseudolycoriella longisetosa Mohrig & Kau..., 2019 | |
| Pseudolycoriella nocturna Mohrig & Kau..., 2019 | |
| Pseudolycoriella pollicis Pettey, 1918 | |
| Pseudolycoriella subjucunda Mohrig & Kau..., 2019 | |
| Pseudolycoriella trivialis Johannsen, 1912 | |
| Pseudolycoriella zealandica Edwards, 1927 | |
| Pseudorymosia fovea Dziedzicki, 1910 | |
| Pseudozygomma maculipennis Skuse, 1890 | |
| Rhymosia beckeri | |
| Rhymosia coheri | |
| Rhymosia dietrichi | |
| Rhymosia miocenica ♰ S. E. Lewis, 1969 | |
| Rhymosia pediformis | |
| Rhymosia triangularis | |
| Rondaniella dimidata | |
| Rondaniella dimidiata Meigen, 1804 | |
| Rondaniella sororcula Loew, 1869 | |
| Rymosia akeleyi Johannsen, 1912 | |
| Rymosia beckeri Shaw, 1951 | Narrowleaf suncup |
| Rymosia coheri Shaw, 1951 | Narrowleaf suncup |
| Rymosia dietrichi Shaw, 1951 | Narrowleaf suncup |
| Rymosia diffissa Johannsen, 1912 | |
| Rymosia domestica Meigen, 1830 | |
| Rymosia faceta Sherman, 1921 | Walker's suncup |
| Rymosia filipes Loew, 1869 | Juniper globemallow |
| Rymosia imitator Johannsen, 1912 | |
| Rymosia inflata Johannsen, 1912 | |
| Rymosia lacki Edwards, 1935 | |
| Rymosia marionae (Shaw, 1951) | ⇒ Rymosia beckeri Shaw, 1951 |
| Rymosia miocenica Lewis, 1969 | |
| Rymosia parvicauda Van Duzee, 1928 | Parish's yampah |
| Rymosia pectinata Sherman, 1921 | Walker's suncup |
| Rymosia pediformis Shaw, 1951 | Narrowleaf suncup |
| Rymosia pinnata Ostroverkhova, 1979 | |
| Rymosia plumosa Van Duzee, 1928 | Parish's yampah |
| Rymosia prolixa Sherman, 1921 | Walker's suncup |
| Rymosia seminigra Sherman, 1921 | Walker's suncup |
| Rymosia sericea Say, 1824 | |
| Rymosia serripes Johannsen, 1912 | |
| Rymosia spinicauda Van Duzee, 1928 | Parish's yampah |
| Rymosia strangulata ♰ Scudder, 1890 | |
| Rymosia triangularis Shaw, 1935 | Redclay suncup |
| Sackenia arcuata ♰ Scudder, 1877 | |
| Sackenia gibbosa ♰ T. D. A. Coc..., 1907 | |
| Saigusaia cincta Johannsen, 1912 | |
| Saigusaia pikei ♰ V. A. Blagod..., 2004 | |
| Scatopsciara (Scatopsciara) atomaria Zetterstedt, 1851 | |
| Scatopsciara (Scatopsciara) buccina Mohrig & Mamaev, 1985 | |
| Scatopsciara (Scatopsciara) calamophila Frey, 1948 | |
| Scatopsciara (Scatopsciara) curviforceps Bukowski & L..., 1936 | |
| Scatopsciara (Scatopsciara) edwardsi Freeman, 1983 | |
| Scatopsciara (Scatopsciara) fluviatilis Lengersdorf, 1940 | |
| Scatopsciara (Scatopsciara) nacta Johannsen, 1912 | |
| Scatopsciara (Scatopsciara) nana Winnertz, 1871 | |
| Scatopsciara (Scatopsciara) neglecta Menzel & Mohrig, 1998 | |
| Scatopsciara (Scatopsciara) subciliata Tuomikoski, 1960 | |
| Scatopsciara (Scatopsciara) tricuspidata Winnertz, 1867 | |
| Scatopsciara (Scatopsciara) vitripennis Meigen, 1818 | |
| Scatopsciara (Xenopygina) paradoxa Frey, 1948 | |
| Scatopsciara (Xenopygina) radialis Shaw, 1934 | |
| Scatopsciara (Xenopygina) ventrospinula Mohrig & Mamaev, 1983 | |
| Scatopsciara actuosa Johannsen, 1912 | |
| Scatopsciara acuta Johannsen, 1912 | |
| Scatopsciara awanatae Mohrig & Kau..., 2016 | |
| Scatopsciara awinitae Mohrig & Kau..., 2016 | |
| Scatopsciara catoriae Mohrig & Kau..., 2016 | |
| Scatopsciara chenoae Mohrig & Kau..., 2016 | |
| Scatopsciara dendrotica Steffan, 1968 | |
| Scatopsciara fratercula Vilkamaa & H..., 2006 | |
| Scatopsciara hoyti Hardy, 1956 | |
| Scatopsciara inesae Mohrig & Kau..., 2016 | |
| Scatopsciara itumae Mohrig & Kau..., 2016 | |
| Scatopsciara miakodae | |
| Scatopsciara praealawae Mohrig & Kau..., 2016 | |
| Scatopsciara praeawanatae Mohrig & Kau..., 2016 | |
| Scatopsciara sibirica Komarova, 1998 | |
| Scatopsciara steffani Mohrig, Kaus..., 2019 | |
| Scatopsciara subawanatae Mohrig & Kau..., 2016 | |
| Scatopsciara subdendrotica Mohrig & Kau..., 2016 | |
| Scatopsciara subfratercula Mohrig & Kau..., 2016 | |
| Scatopsciara subgrossa Mohrig & Kau..., 2016 | |
| Scatopsciara subitumae Mohrig & Kau..., 2016 | |
| Scatopsciara submiakodae | |
| Scatopsciara tricuspidatula Mohrig & Kau..., 2016 | |
| Scatopsciara vivida (Winnertz, 1867) | ⇒ Scatopsciara atomaria Zetterstedt, 1851 |
| Sceptonia autumnals (Garrett, 1925) | ⇒ Sceptonia autumnalis Garrett, 1925 |
| Sceptonia fumipes Edwards, 1925 | |
| Sceptonia fuscipalpis Edwards, 1925 | |
| Sceptonia johannsoni Garrett, 1925 | |
| Sceptonia longiseta Sevcik, 2004 | |
| Sceptonia longisetosa Ševčík, 2004 | |
| Sceptonia membranacea Edwards, 1925 | |
| Sceptonia nigra Meigen, 1804 | |
| Schwenckfeldina archoica ♰ Mohrig & Sol..., 2007 | |
| Schwenckfeldina dolens Johannsen, 1912 | |
| Schwenckfeldina imitans Johannsen, 1912 | |
| Schwenckfeldina joffreyi | |
| Schwenckfeldina quadrispinosa | |
| Schwenckfeldina tridentata Rübsaamen, 1898 | Fly |
| Schwenkfeldina dux Johannsen, 1912 | |
| Schwenkfeldina imitans Johannsen, 1912 | |
| Schwenkfeldina tridentata Rübsaamen, 1898 | |
| Sciara abbreviata Walker, 1848 | |
| Sciara abdita Johannsen, 1912 | |
| Sciara antigua Lengersdorf, 1940 | |
| Sciara arcuata Garrett, 1925 | |
| Sciara atomaria (Lynch Arribá..., 1892) | ⇒ Scatopsciara atomaria Zetterstedt, 1851 |
| Sciara atrata (Say, 1824) | ⇒ Bradysia meigeni Rübsaamen, 1894 |
| Sciara attenuata Rübsaamen, 1898 | |
| Sciara borealis Rübsaamen, 1898 | |
| Sciara brevipetiolata (Enderlein, 1911) | ⇒ Lycoriella brevipetiolata Shaw, 1941 |
| Sciara cingulata Rübsaamen, 1894 | Longleaf cologania |
| Sciara clavata Garrett, 1925 | |
| Sciara concinna Williston, 1896 | |
| Sciara congregata Johannsen, 1914 | Aptenia |
| Sciara cylindrica Pettey, 1918 | Vermont blackberry |
| Sciara delessei Seguy, 1953 | |
| Sciara deperdita ♰ S. H. Scudder, 1878 | |
| Sciara dichaeta (Shaw, 1941) | ⇒ Bradysia dichaeta Shaw, 1941 |
| Sciara diderma Garrett, 1925 | |
| Sciara dimidiata Say, 1832 | |
| Sciara diota Garrett, 1925 | |
| Sciara dives Johannsen, 1912 | |
| Sciara dormitans ♰ A. L. Melander, 1949 | |
| Sciara exigua Say, 1824 | |
| Sciara exilis ♰ Say, 1829 | |
| Sciara expolita (Coquillett, 1900) | ⇒ Bradysia expolita Coquillett, 1900 |
| Sciara femorata Say, 1823 | |
| Sciara florissantensis ♰ T. D. A. Coc..., 1916 | |
| Sciara forceps (Pettey, 1918) | ⇒ Pseudosciara forceps Pettey, 1918 |
| Sciara forcipulata (Lundbeck, 1898) | ⇒ Bradysia forcipulata Lundbeck, 1898 |
| Sciara fraterna Say, 1824 | |
| Sciara fuliginosus Fitch, 1856 | |
| Sciara fulviventris (Wiedemann, 1821) | ⇒ Odontosciara fulviventris Wiedemann, 1821 |
| Sciara fumatella (Lundbeck, 1898) | ⇒ Lycoriella modesta Staeger, 1840 |
| Sciara futilis Johannsen, 1912 | |
| Sciara garretti Shaw, 1952 | |
| Sciara glacialis (Rübsaamen, 1898) | ⇒ Lycoriella permutata Lundbeck, 1901 |
| Sciara globosa Pettey, 1918 | Vermont blackberry |
| Sciara habilis Johannsen, 1912 | |
| Sciara haemorrhoidalis (Lundbeck, 1898) | ⇒ Lycoriella cochleata Rübsaamen, 1898 |
| Sciara hardyi (Shaw, 1952) | ⇒ Bradysia impatiens Johannsen, 1912 |
| Sciara hebes Loew, 1870 | |
| Sciara humeralis Zetterstedt, 1851 | |
| Sciara humicola (Lundbeck, 1898) | ⇒ Bradysia forcipulata Lundbeck, 1898 |
| Sciara inconstans Fitch, 1856 | Fickle midge |
| Sciara kitakamiensis Sutou, 2004 | |
| Sciara luravi (Johannsen, 1929) | ⇒ Corynoptera luravi Johannsen, 1929 |
| Sciara lurayi | |
| Sciara lurida Walker, 1848 | |
| Sciara marginata (Skuse, 1890) | ⇒ Sciara lurida Walker, 1848 |
| Sciara militaris Nowicki, 1868 | |
| Sciara multiseta (Felt, 1898) | ⇒ Lycoriella multiseta Felt, 1898 |
| Sciara multisetifera Pettey, 1918 | Vermont blackberry |
| Sciara ochrolabis Loew, 1869 | Juniper globemallow |
| Sciara paradichaeta (Shaw, 1941) | ⇒ Bradysia paradichaeta Shaw, 1941 |
| Sciara pauciseta (Felt, 1898) | ⇒ Lycoriella ingenua Dufour, 1839 |
| Sciara penicillata Lengersdorf, 1944 | |
| Sciara perpusilla Walker, 1848 | |
| Sciara polita Say, 1824 | |
| Sciara psittacus Pettey, 1918 | Vermont blackberry |
| Sciara pubescens Lengersdorf, 1944 | |
| Sciara pulicaria Meigen, 1818 | |
| Sciara punctata Walker, 1848 | |
| Sciara requieta ♰ A. L. Melander, 1949 | |
| Sciara robusta (Walker, 1848) | ⇒ Bradysia strigata Staeger, 1840 |
| Sciara rotundipennis Macquart, 1838 | |
| Sciara sciophila Loew, 1869 | Juniper globemallow |
| Sciara scita Johannsen, 1912 | |
| Sciara scopuli ♰ S. H. Scudder, 1890 | |
| Sciara sedula Skuse, 1888 | |
| Sciara septentrionalis Rübsaamen, 1898 | |
| Sciara sepulta ♰ S. E. Lewis, 1969 | |
| Sciara sopora ♰ A. L. Melander, 1949 | |
| Sciara tanypeza Meunier, 1899 | |
| Sciara townesi Shaw, 1935 | Redclay suncup |
| Sciara tryoni Skuse, 1890 | |
| Sciara unguicauda (Malloch, 1923) | ⇒ Bradysia unguicauda Malloch, 1923 |
| Sciara unicolor (Say, 1829) | ⇒ Bradysia praecox Meigen, 1818 |
| Sciara unicorn Garrett, 1925 | |
| Sciara vicina Johannsen, 1912 | |
| Sciara vulgaris Fitch, 1856 | |
| Sciophila acuta Garrett, 1925 | |
| Sciophila adamsi Edwards, 1925 | |
| Sciophila agassis Garrett, 1925 | |
| Sciophila arizonensis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila arizoniensis | |
| Sciophila arnaudi Zaitzev, 1982 | Great Basin langloisia |
| Sciophila bicolor (Brunetti, 1912) | ⇒ Sciophila garretti Zaitzev, 1982 |
| Sciophila bicuspidata Zaitzev, 1982 | Great Basin langloisia |
| Sciophila bifida Garrett, 1925 | |
| Sciophila biseriata (Loew, 1870) | ⇒ Mycomya biseriata Loew, 1869 |
| Sciophila brevivitta (Coquillett, 1905) | ⇒ Mycomya onusta Loew, 1869 |
| Sciophila calcarata (Coquillett, 1904) | ⇒ Mycomya calcarata Coquillett, 1904 |
| Sciophila californiensis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila canadensis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila cliftoni Edwards, 1925 | |
| Sciophila conformis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila cordata Zaitzev, 1982 | Great Basin langloisia |
| Sciophila distincta Garrett, 1925 | |
| Sciophila emarginata Zaitzev, 1982 | Great Basin langloisia |
| Sciophila exserta Zaitzev, 1982 | Great Basin langloisia |
| Sciophila fasciata (Say, 1823) | ⇒ Mycomya winnertzi Dziedzicki, 1885 |
| Sciophila fenestella (Curtis, 1837) | ⇒ Sciophila cliftoni Edwards, 1925 |
| Sciophila festiva Zaitzev, 1982 | Great Basin langloisia |
| Sciophila flavohirta (Coquillett, 1901) | ⇒ Mycomya unicolor Walker, 1848 |
| Sciophila fridolini Stackelberg, 1943 | Petty spurge |
| Sciophila fuliginosa Holmgren, 1883 | |
| Sciophila fusca (Garrett, 1925) | ⇒ Sciophila fuliginosa Holmgren, 1883 |
| Sciophila gagnei Zaitzev, 1982 | Great Basin langloisia |
| Sciophila garretti Zaitzev, 1982 | |
| Sciophila grisea (Walker, 1848) | ⇒ Manota grisea Walker, 1848 |
| Sciophila habilis Johannsen, 1910 | Carpobrotus |
| Sciophila hebes Johannsen, 1910 | Carpobrotus |
| Sciophila hirta (Meigen, 1818) | ⇒ Taxicnemis flava Edwards, 1927 |
| Sciophila hyatti Scudder, 1890 | |
| Sciophila hyattii ♰ S. H. Scudder, 1890 | |
| Sciophila impar Johannsen, 1910 | Carpobrotus |
| Sciophila incallida Johannsen, 1910 | Carpobrotus |
| Sciophila insignis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila insueta Zaitzev, 1982 | Great Basin langloisia |
| Sciophila iowensis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila karelica Zaitzev, 1982 | Great Basin langloisia |
| Sciophila laffooni Zaitzev, 1982 | Great Basin langloisia |
| Sciophila longua (Garrett, 1925) | ⇒ Sciophila nitens Winnertz, 1863 |
| Sciophila lutea Macquart, 1826 | |
| Sciophila minuta Zaitzev, 1982 | Great Basin langloisia |
| Sciophila mirandula ♰ T. D. A. Coc..., 1909 | |
| Sciophila mississippiensis Khalaf, 1971 | Akulikuli-kula |
| Sciophila modesta Zaitzev, 1982 | Great Basin langloisia |
| Sciophila montana Zaitzev, 1982 | Great Basin langloisia |
| Sciophila neohebes Garrett, 1925 | |
| Sciophila nigronitida Landrock, 1925 | Thymeleaf buckwheat |
| Sciophila nitens Winnertz, 1863 | |
| Sciophila nonnisilva Hutson, 1979 | Western paper birch |
| Sciophila notabilis (Zaitzev, 1982) | ⇒ Mycomya wankowiczii Dziedzicki, 1885 |
| Sciophila novata Johannsen, 1910 | Carpobrotus |
| Sciophila ochracea Walker, 1856 | Slimleaf milkweed |
| Sciophila pallipes Say, 1824 | |
| Sciophila parahebes Zaitzev, 1982 | Great Basin langloisia |
| Sciophila parva (Garrett, 1925) | ⇒ Sciophila parahebes Zaitzev, 1982 |
| Sciophila pluridentata Zaitzev, 1982 | Great Basin langloisia |
| Sciophila plurisetosa Edwards, 1921 | |
| Sciophila popocatepetli Bellardi, 1859 | |
| Sciophila quadratula Loew, 1869 | |
| Sciophila septentrionalis Zaitzev, 1982 | Great Basin langloisia |
| Sciophila setosa Garrett, 1925 | |
| Sciophila severa Johannsen, 1910 | Carpobrotus |
| Sciophila simplex (Coquillett, 1905) | ⇒ Mycomya simplex Coquillett, 1905 |
| Sciophila sublimbatella Zaitzev, 1982 | Great Basin langloisia |
| Sciophila tantilla (Loew, 1870) | ⇒ Mycomya tantilla Loew, 1869 |
| Sciophila tenuis (Winnertz, 1863) | ⇒ Mycomya tenuis Walker, 1856 |
| Sciophila vakulenkoi Stackelberg, 1943 | Petty spurge |
| Sciophila vockerothi Zaitzev, 1982 | Great Basin langloisia |
| Scythropochroa macleayi Skuse, 1888 | |
| Sigmoleia melanoxantha Edwards, 1927 | |
| Speolepta leptogaster Winnertz, 1863 | |
| Stenophragma bickeli Oliveira & A..., 2012 | |
| Stenophragma collessi Oliveira & A..., 2012 | |
| Stenophragma similis Johannsen, 1910 | |
| Synapha astacus Garrett, 1924 | |
| Synapha astacys Garrett, 1924 | |
| Synapha bicolor Shaw & Fisher, 1952 | Small evening primrose |
| Synapha disjuncta Garrett, 1925 | |
| Synapha longistyla ♰ V. A. Blagod..., 2004 | |
| Synapha spiniphora Matile, 1992 | |
| Synapha tibialis Coquillett, 1901 | |
| Synplasta dulcia Dziedzicki, 1910 | |
| Synplasta gracilis Winnertz, 1863 | |
| Synplasta karelica Zaitzev, 1993 | |
| Syntemna fissurata ♰ V. A. Blagod..., 2004 | |
| Syntemna hungarica Lundbeck, 1912 | |
| Syntemna immaculata Cole, 1919 | |
| Syntemna nitidula Edwards, 1925 | |
| Syntemna relicta Lundstrom, 1912 | |
| Syntemna separata (Johannsen, 1912) | ⇒ Dziedzickia separata Johannsen, 1912 |
| Syntemna setigera Lundstrom, 1914 | |
| Syntemna vernalis Sherman, 1921 | |
| Tarnania fenestralis Meigen, 1838 | |
| Tarnania tarnanii Dziedzicki, 1910 | |
| Taxicnemis flava Edwards, 1927 | |
| Taxicnemis hirta bivittata Edwards, 1927 | |
| Tetragoneura arcuata Sherman, 1921 | Walker's suncup |
| Tetragoneura atra Sherman, 1921 | Walker's suncup |
| Tetragoneura bicolor (Coquillett, 1901) | ⇒ Ectrepesthoneura bicolor Coquillett, 1901 |
| Tetragoneura fallax Sherman, 1921 | Walker's suncup |
| Tetragoneura flexa Tonnoir & Ed..., 1927 | |
| Tetragoneura longicauda Van Duzee, 1928 | Parish's yampah |
| Tetragoneura marceda Sherman, 1921 | Walker's suncup |
| Tetragoneura nitida Adams, 1903 | |
| Tetragoneura peritula ♰ T. D. A. Coc..., 1909 | |
| Tetragoneura pervigila Matile, 1993 | |
| Tetragoneura pimpla Coquillett, 1901 | |
| Tetragoneura quintana Cole, 1921 | |
| Tetragoneura robur Garrett, 1925 | |
| Tetragoneura similis Garrett, 1925 | |
| Tetragoneura spinipes Tonnoir & Ed..., 1927 | |
| Trichonta amica Gagne, 1981 | |
| Trichonta atricauda Zetterstedt, 1852 | |
| Trichonta beata Gagne, 1981 | |
| Trichonta bellula (Johannsen, 1912) | ⇒ Trichonta vulgaris Loew, 1869 |
| Trichonta bezzii Landrock, 1913 | Dogtongue buckwheat |
| Trichonta bicolor Landrock, 1912 | Dogtongue buckwheat |
| Trichonta brevicauda Lundström, 1906 | Missouri violet |
| Trichonta chaoi Shaw, 1951 | Narrowleaf suncup |
| Trichonta cincta Johannsen, 1912 | |
| Trichonta clara Gagne, 1981 | |
| Trichonta clemens Gagne, 1981 | |
| Trichonta comica Gagne, 1981 | |
| Trichonta dawsoni ♰ S. H. Scudder, 1877 | |
| Trichonta delicata Gagne, 1981 | |
| Trichonta eximia Gagne, 1981 | |
| Trichonta facilis Gagne, 1981 | |
| Trichonta falcata Lundström, 1911 | |
| Trichonta festa Gagne, 1981 | |
| Trichonta fissicauda (Zetterstedt, 1852) | ⇒ Trichonta atricauda Zetterstedt, 1852 |
| Trichonta flavicauda Lundström, 1914 | |
| Trichonta foeda Loew, 1869 | Juniper globemallow |
| Trichonta fragilis Gagne, 1981 | |
| Trichonta fusciventris Van Duzee, 1928 | Parish's yampah |
| Trichonta generosa Gagne, 1981 | |
| Trichonta gentilis Gagne, 1981 | |
| Trichonta girschneri Landrock, 1912 | Thymeleaf buckwheat |
| Trichonta hamata Mik, 1880 | |
| Trichonta hansoni (Shaw, 1940) | ⇒ Trichonta venosa Staeger, 1840 |
| Trichonta justa Gagne, 1981 | |
| Trichonta languida Gagne, 1981 | |
| Trichonta lucida Gagne, 1981 | |
| Trichonta melanura (Staeger, 1840) | ⇒ Trichonta atricauda Zetterstedt, 1852 |
| Trichonta merita Gagne, 1981 | |
| Trichonta obesa Winnertz, 1863 | Spreading phlox |
| Trichonta patens Johannsen, 1912 | |
| Trichonta perspicua Wulp, 1881 | Lesser yellowthroat gilia |
| Trichonta placida Gagne, 1981 | |
| Trichonta pulchra Gagne, 1981 | |
| Trichonta sagana (Shaw, 1940) | ⇒ Trichonta hamata Mik, 1880 |
| Trichonta salva Gagne, 1981 | |
| Trichonta secura Gagne, 1981 | |
| Trichonta sedata Gagne, 1981 | |
| Trichonta sedula Gagne, 1981 | |
| Trichonta serena Gagne, 1981 | |
| Trichonta subfusca Lundström, 1909 | |
| Trichonta submaculata Stæger, 1840 | |
| Trichonta subterminalis Zaitzev & Me..., 1996 | |
| Trichonta terminalis Walker, 1856 | |
| Trichonta trivittata (Lundstrom, 1916) | ⇒ Trichonta vitta Meigen, 1830 |
| Trichonta valida Gagne, 1981 | |
| Trichonta venosa Staeger, 1840 | |
| Trichonta vitta Meigen, 1830 | |
| Trichonta vulcani Dziedzicki, 1889 | |
| Trichonta vulgaris Loew, 1869 | Juniper globemallow |
| Trichosia (Baeosciara) scotica Edwards, 1925 | |
| Trichosia (Mouffetina) pulchricornis Edwards, 1925 | |
| Trichosia (Trichosia) morio Fabricius, 1794 | |
| Trichosia cylindrica Pettey, 1918 | |
| Trichosia diota Garrett, 1925 | |
| Trichosia habilis Johannsen, 1912 | |
| Trichosia hebes (Loew, 1869) | ⇒ Sciara hebes Loew, 1870 |
| Trichosia pectinata Vilkamaa, 2003 | |
| Trichosia townesi Shaw, 1935 | |
| Trichoterga monticola incisurata Edwards, 1927 | |
| Xylosciara (Protoxylosciara) brevipes Steffan, 1964 | |
| Xylosciara (Xylosciara) lignicola Winnertz, 1867 | |
| Xylosciara (Xylosciara) merodon Hippa & Vilk..., 2004 | |
| Xylosciara (Xylosciara) mohrigi Hippa & Vilk..., 2004 | |
| Xylosciara (Xylosciara) ontario Hippa & Vilk..., 2004 | |
| Xylosciara (Xylosciara) trigemina Hippa & Vilk..., 2004 | |
| Xylosciara (Xylosciara) trimera Tuomikoski, 1960 | |
| Zeliinia occidentalis ♰ V. A. Blagod..., 2004 | |
| Zygomyia bifasciata (Garrett, 1925) | ⇒ Zygomyia bifasciola Matile, 1989 |
| Zygomyia bifasciola Matile, 1989 | |
| Zygomyia brunnea Tonnoir, 1927 | |
| Zygomyia christata Garrett, 1925 | |
| Zygomyia christulata Garrett, 1925 | |
| Zygomyia coxalis Garrett, 1925 | |
| Zygomyia filigera Edwards, 1927 | |
| Zygomyia ignobilis Loew, 1869 | Juniper globemallow |
| Zygomyia interrupta Malloch, 1914 | Gray's bur cucumber |
| Zygomyia notata Stannius, 1831 | |
| Zygomyia ornata Loew, 1869 | Juniper globemallow |
| Zygomyia pictipennis Staeger, 1840 | |
| Zygomyia pilosa Garrett, 1925 | |
| Zygomyia vara Staeger, 1840 | |
| Zygomyia zaitzevi Chandler, 1991 | |
| Zygoneura (Zygoneura) sciarina Meigen, 1830 | |
| Zygoneura calthella Eiseman, Hel..., 2016 | |
| Zygoneura contractans Edwards, 1927 | |
| Zygoneura flavicoxa Johannsen, 1912 | |
| Zygoneura johannseni Shaw, 1941 | Wingfruit suncup |
| Zygoneura zygoneura Williston, 1896 | |
