| Alautunmyia elongata ♰ A. Borkent, 1996 | |
| Allohelea bottimeri Wirth, 1991 | |
| Allohelea distortifemur Wirth, 1991 | |
| Allohelea johannseni Wirth, 1953 | Texan phlox |
| Allohelea nebulosa Coquillett, 1901 | |
| Allohelea pedicellata Wirth, 1991 | |
| Allohelea weemsi Wirth, 1991 | |
| Alluaudomyia bella Coquillett, 1902 | |
| Alluaudomyia caribbeana Spinelli & W..., 1984 | Flowering spurge |
| Alluaudomyia downesi (Wirth, 1952) | ⇒ Alluaudomyia parva Wirth, 1952 |
| Alluaudomyia footei Wirth, 1952 | Hentz's phlox |
| Alluaudomyia megaparamera Williams, 1957 | Lady's nightcap |
| Alluaudomyia needhami Thomsen, 1935 | Iberian geranium |
| Alluaudomyia paraspina Wirth, 1952 | Hentz's phlox |
| Alluaudomyia parva Wirth, 1952 | Hentz's phlox |
| Alluaudomyia reyei Debenham, 1971 | |
| Alluaudomyia stictipennis Wirth, 1952 | Hentz's phlox |
| Alluaudomyia variegata Glick & Mullen, 1982 | |
| Alluaudomyia wirthi Williams, 1957 | Lady's nightcap |
| Amerohelea frontispina Dow & Turner, 1976 | |
| Atrichopogon (Atrichopogon) minutus Meigen, 1830 | |
| Atrichopogon (Lophomyidium) fusculus Coquillett, 1901 | |
| Atrichopogon (Meloehelea) lucorum Meigen, 1818 | |
| Atrichopogon (Meloehelea) oedemerarum Stor” , 1939 | Summer grape |
| Atrichopogon archboldi Wirth, 1995 | |
| Atrichopogon arcticus Coquillett, 1900 | |
| Atrichopogon borkenti Wirth, 1994 | |
| Atrichopogon depilis Macfie, 1939 | |
| Atrichopogon deyrupi Wirth, 1994 | |
| Atrichopogon downesi Wirth, 1980 | Showy phlox |
| Atrichopogon epicautae Wirth, 1956 | Fall phlox |
| Atrichopogon exilis | |
| Atrichopogon falcatus Boesel, 1973 | |
| Atrichopogon farri Wirth, 1956 | Fall phlox |
| Atrichopogon fusinervis Malloch, 1915 | |
| Atrichopogon geminus Boesel, 1973 | |
| Atrichopogon gilvus Coquillett, 1905 | |
| Atrichopogon jacobsoni De Meijere, 1907 | Biting midge |
| Atrichopogon jamnbacki Wirth, 1994 | |
| Atrichopogon levis Coquillett, 1901 | Biting midge |
| Atrichopogon maculosus Ewen, 1958 | Austin's micromitrium moss |
| Atrichopogon occidentalis Wirth, 1952 | Hentz's phlox |
| Atrichopogon peregrinus Johannsen, 1908 | |
| Atrichopogon taizi Boorman & Ha..., 2002 | |
| Atrichopogon titanus Boesel, 1973 | |
| Atrichopogon transversus Wirth, 1952 | Hentz's phlox |
| Atrichopogon warmkei Wirth, 1956 | Fall phlox |
| Atrichopogon websteri Coquillett, 1901 | |
| Atrichopogon wirthi (Chan & Linley, 1988) | ⇒ Atrichopogon taizi Boorman & Ha..., 2002 |
| Atriculicoides globosus ♰ M. W. Boesel, 1937 | |
| Atriculicoides incompletus ♰ R. Szadziewski, 1992 | |
| Atyphohelea macroneura Malloch, 1915 | |
| Atyphohelea nigra | |
| Austroconops annettae Borkent, 2004 | |
| Austroconops mcmillani Wirth & Lee, 1959 | Mcmillan's Biting Midge |
| Austrohelea brevipes Lee, 1948 | |
| Bezzia (Homobezzia) bicolor Meigen, 1804 | |
| Bezzia albidorsata Malloch, 1915 | Maui bur cucumber |
| Bezzia amana Meillon & Wirth, 1981 | |
| Bezzia andersonorum Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia annulipes Meigen, 1830 | |
| Bezzia apicata Malloch, 1914 | Gray's bur cucumber |
| Bezzia biannulata Wirth, 1952 | Hentz's phlox |
| Bezzia bilineata Wirth, 1952 | Hentz's phlox |
| Bezzia bivittata Coquillett, 1905 | |
| Bezzia capitata Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia chelistyla Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia circumdata Staeger, 1839 | |
| Bezzia cockerelli Malloch, 1915 | Maui bur cucumber |
| Bezzia coloradensis (Wirth, 1952) | ⇒ Bezzia mazaruni Macfie, 1940 |
| Bezzia dentata Malloch, 1914 | Gray's bur cucumber |
| Bezzia dorsasetula Dow & Turner, 1976 | |
| Bezzia downesi Dow & Turner, 1976 | |
| Bezzia expolita Coquillett, 1901 | |
| Bezzia fairchildi Wirth, 1983 | Showy phlox |
| Bezzia fascispinosa Clastrier, 1962 | |
| Bezzia flavitarsis Malloch, 1914 | Gray's bur cucumber |
| Bezzia flavitibia Dow & Turner, 1976 | |
| Bezzia gibbera Coquillett, 1905 | |
| Bezzia gibberella Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia glabra Coquillett, 1902 | |
| Bezzia globulosa Spinelli & W..., 1990 | |
| Bezzia imbifida Dow & Turner, 1976 | |
| Bezzia japonica Tokunaga, 1939 | Cafe forastero |
| Bezzia johnsoni | |
| Bezzia laciniastyla Dow & Turner, 1976 | |
| Bezzia luteiventris Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia magnisetula Dow & Turner, 1976 | |
| Bezzia mallochi Wirth, 1951 | Trailing phlox |
| Bezzia mazaruni Macfie, 1940 | |
| Bezzia media (Coquillett, 1904) | ⇒ Bezzia annulipes Meigen, 1830 |
| Bezzia medusa Nie, Li, Li ..., 2005 | |
| Bezzia modocensis (Wirth, 1952) | ⇒ Bezzia pruinosus Coquillett, 1905 |
| Bezzia mohave Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia nigripes Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia nobilis Winnertz, 1852 | |
| Bezzia obelisca Dow & Turner, 1976 | |
| Bezzia opaca | |
| Bezzia perplexa Dow & Turner, 1976 | |
| Bezzia pruinosa Coquillett, 1905 | |
| Bezzia pruinosus Coquillett, 1905 | |
| Bezzia pseudobscura Wirth, 1951 | Trailing phlox |
| Bezzia pulverea Coquillett, 1901 | |
| Bezzia punctipennis Williston, 1896 | |
| Bezzia saileri Wirth, 1983 | Showy phlox |
| Bezzia sandersoni Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia setosinotum Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia sordida Wirth, 1952 | Hentz's phlox |
| Bezzia spathula Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia spicata Dow & Turner, 1976 | |
| Bezzia texensis Wirth & Grogan, 1983 | Clearwater phlox |
| Bezzia twinni Wirth, 1983 | Showy phlox |
| Bezzia uncistyla Dow & Turner, 1976 | |
| Bezzia unispina Dow & Turner, 1976 | |
| Bezzia varicolor Coquillett, 1902 | |
| Brachypogon (Brachypogon) vitiosus Winnertz, 1852 | |
| Brachypogon (Sarissohelea) maai Tokunaga, 1964 | |
| Brachypogon canadensis Downes, 1976 | |
| Brachypogon deyrupi | |
| Brachypogon fuscivenosus Lutz, 1914 | |
| Brachypogon pruinosus Wirth, 1952 | |
| Brachypogon serratus Lewis, 1956 | |
| Brachypogon stigmalis Coquillett, 1902 | |
| Ceratoculicoides blantoni Wirth & Rata..., 1971 | |
| Ceratoculicoides longipennis Wirth, 1952 | |
| Ceratoculicoides virginianus Wirth, 1951 | |
| Ceratopogon abstrusus Borkent & Gr..., 1995 | |
| Ceratopogon algidus Borkent & Gr..., 1995 | |
| Ceratopogon annettae Borkent & Gr..., 1995 | |
| Ceratopogon arcanus Borkent & Gr..., 1995 | |
| Ceratopogon boomerangus Borkent & Gr..., 1995 | |
| Ceratopogon cinaedicus Borkent & Gr..., 1995 | |
| Ceratopogon crassinervis (Goetghebuer, 1920) | ⇒ Ceratopogon naccinervis Borkent, 1997 |
| Ceratopogon curtus Borkent & Gr..., 1995 | |
| Ceratopogon gigaforceps Remm, 1973 | |
| Ceratopogon inverecundus Borkent & Gr..., 1995 | |
| Ceratopogon mallochi Cole, 1921 | |
| Ceratopogon mammulus Borkent & Gr..., 1995 | |
| Ceratopogon pallicoleatus Borkent & Cole, 1995 | |
| Ceratopogon pandus Borkent & Gr..., 1995 | |
| Ceratopogon pontis Borkent & Gr..., 1995 | |
| Ceratopogon rectus Borkent & Gr..., 1995 | |
| Ceratopogon relictus Borkent & Gr..., 1995 | |
| Ceratopogon scutellatus (Say, 1829) | ⇒ Dasyhelea corinneae Gosseries, 1991 |
| Ceratopogon seculus Borkent & Gr..., 1995 | |
| Ceratopogon willisi Borkent & Gr..., 1995 | |
| Clinohelea bimaculata Loew, 1861 | |
| Clinohelea curriei Coquillett, 1905 | |
| Clinohelea dimidiata Adams, 1903 | |
| Clinohelea longitheca Grogan & Wirth, 1975 | |
| Clinohelea nubifera Coquillett, 1905 | |
| Clinohelea pseudonubifera Grogan & Wirth, 1975 | |
| Clinohelea usingeri Wirth, 1952 | Hentz's phlox |
| Crispomyia monacha Debenham, 1974 | |
| Crispomyia receptaculum Debenham, 1974 | |
| Culicoides (Amossovia) arboricola Root & Hoffman, 1937 | Schaffner's wattle |
| Culicoides (Amossovia) beckae Wirth & Blanton, 1967 | |
| Culicoides (Amossovia) californiensis Wirth & Blanton, 1967 | |
| Culicoides (Amossovia) cochisensis Wirth & Blanton, 1967 | |
| Culicoides (Amossovia) elemae Pappas & Pappas, 1989 | |
| Culicoides (Amossovia) flukei Jones, 1956 | Arctic catchfly |
| Culicoides (Amossovia) guttipennis (Coquillett, 1901) | ⇒ Culicoides meijerei Kieffer, 1919 |
| Culicoides (Amossovia) oklahomensis Khalaf, 1952 | Rose moss |
| Culicoides (Amossovia) ousairani Khalaf, 1952 | Rose moss |
| Culicoides (Amossovia) pecosensis Wirth, 1955 | |
| Culicoides (Amossovia) villosipennis Root & Hoffman, 1937 | Schaffner's wattle |
| Culicoides (Avaritia) brevitarsis Kieffer, 1917 | Horse hypersensitive biting midge |
| Culicoides (Avaritia) chiopterus Meigen, 1830 | |
| Culicoides (Avaritia) montanus (Shakirzjanova, 1962) | ⇒ Culicoides neomontanus Wirth, 1976 |
| Culicoides (Avaritia) obsoletus Meigen, 1818 | Common biting midge |
| Culicoides (Avaritia) pusillus Lutz, 1913 | Northern bog violet |
| Culicoides (Avaritia) sanguisuga Coquillett, 1901 | |
| Culicoides (Avaritia) wadai Kitaoka, 1980 | |
| Culicoides (Beltranmyia) sphagnumensis Williams, 1955 | |
| Culicoides (Drymodesmyia) loughnani Edwards, 1922 | |
| Culicoides (Haematomyidium) paraensis Goeldi, 1905 | |
| Culicoides (Hoffmania) insignis Lutz, 1913 | Northern bog violet |
| Culicoides (Macfiella) phlebotomus Williston, 1896 | |
| Culicoides (Marksomyia) kayi Bellis & Dyce, 2011 | |
| Culicoides (Marksomyia) zentae Bellis & Dyce, 2011 | |
| Culicoides (Monoculicoides) helveticus Callot, Krem..., 1962 | |
| Culicoides (Monoculicoides) riethi Kieffer, 1914 | |
| Culicoides (Monoculicoides) variipennis Coquillett, 1901 | |
| Culicoides (Oecacta) furens Poey, 1851 | |
| Culicoides (Oecacta) kibunensis Tokunaga, 1937 | Cafe falso |
| Culicoides (Oecacta) odiatus Austen, 1921 | |
| Culicoides (Silvaticulicoides) pallidicornis Kieffer, 1919 | |
| Culicoides (Trithecoides) meijerei Kieffer, 1919 | |
| Culicoides (Trithecoides) ornatus Taylor, 1913 | |
| Culicoides (Trithecoides) polynesiae Wirth & Arnaud, 1969 | |
| Culicoides (Trithecoides) waringi Lee & Reye, 1955 | |
| Culicoides alachua Jamnback & W..., 1963 | Sneed pincushion cactus |
| Culicoides alaskensis Wirth, 1951 | Trailing phlox |
| Culicoides alexanderi Wirth & Hubert, 1962 | |
| Culicoides arizonensis Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides arubae Fox & Hoffman, 1944 | |
| Culicoides atchleyi Wirth & Blanton, 1969 | Musky phlox |
| Culicoides baueri Hoffman, 1925 | Mulberry |
| Culicoides bergi Cochrane, 1973 | |
| Culicoides bermudensis Williams, 1956 | Elephant creeper |
| Culicoides bickleyi Wirth & Hubert, 1962 | |
| Culicoides bifidus ♰ A. Borkent, 1996 | |
| Culicoides biguttatus Coquillett, 1901 | |
| Culicoides blantoni Vargas & Wirth, 1955 | Leiberg's umbrellawort |
| Culicoides bottimeri Wirth, 1955 | |
| Culicoides boydi Wirth & Mullens, 1992 | |
| Culicoides brookmani Wirth, 1952 | Hentz's phlox |
| Culicoides butleri Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides byersi Atchley, 1967 | |
| Culicoides cacticola Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides cacticolus (Wirth & Hubert, 1960) | ⇒ Culicoides cacticola Wirth & Hubert, 1960 |
| Culicoides calexicanus Wirth & Rowley, 1971 | Wild sweetwilliam |
| Culicoides canadensis ♰ (Wirth & Blanton, 1969) | ⇒ Culicoides paraimpunctatus Borkent, 1995 |
| Culicoides canithorax (Hoffman, 1925) | ⇒ Culicoides hollensis Melander & B..., 1903 |
| Culicoides carpenteri Wirth & Blanton, 1953 | |
| Culicoides carri ♰ Pierce, 1966 | |
| Culicoides carsiomelas Wirth & Blanton, 1955 | |
| Culicoides casei ♰ W. L. Grogan..., 1988 | Biting midge |
| Culicoides cavaticus Wirth & Jones, 1956 | |
| Culicoides chewaclae Glick & Mullen, 1983 | Least adder's-tongue |
| Culicoides cockerellii Coquillett, 1901 | |
| Culicoides copiosus Root & Hoffman, 1937 | Schaffner's wattle |
| Culicoides crepuscularis Malloch, 1915 | Maui bur cucumber |
| Culicoides crescentis | |
| Culicoides davisi Wirth & Rowley, 1971 | Wild sweetwilliam |
| Culicoides debilipalpis Lutz, 1913 | Northern bog violet |
| Culicoides defoliarti Atchley & Wirth, 1979 | |
| Culicoides denningi Foote & Pratt, 1954 | |
| Culicoides denticulatus Wirth & Hubert, 1962 | |
| Culicoides dickei (Jones, 1956) | ⇒ Culicoides furensoides Williams, 1955 |
| Culicoides doeringae Atchley, 1967 | |
| Culicoides downesi Wirth & Hubert, 1962 | |
| Culicoides eadsi Wirth & Blanton, 1971 | |
| Culicoides edeni Wirth & Blanton, 1974 | |
| Culicoides elutus Macfie, 1948 | |
| Culicoides erikae Atchley & Wirth, 1979 | |
| Culicoides expalleus Remm, 1973 | |
| Culicoides fairchildi Wirth & Blanton, 1955 | |
| Culicoides filipalpis ♰ K. Y. Remm, 1976 | |
| Culicoides floridensis Beck, 1951 | |
| Culicoides footei Wirth & Jones, 1956 | |
| Culicoides fossilis ♰ W. D. Pierce, 1966 | |
| Culicoides franclemonti Cochrane, 1974 | |
| Culicoides freeborni Wirth & Blanton, 1969 | Musky phlox |
| Culicoides frohnei Wirth & Blanton, 1969 | Musky phlox |
| Culicoides furensoides Williams, 1955 | |
| Culicoides galindoi Wirth & Blanton, 1953 | |
| Culicoides gigas Root & Hoffman, 1937 | |
| Culicoides grandensis Grogan & Phi..., 2008 | |
| Culicoides grandibocus ♰ A. Borkent, 1996 | |
| Culicoides gregsoni Wirth & Blanton, 1969 | Musky phlox |
| Culicoides haematopotus Malloch, 1915 | Maui bur cucumber |
| Culicoides hawsi Wirth & Rowley, 1971 | Wild sweetwilliam |
| Culicoides hermani Spinelli & B..., 2004 | |
| Culicoides hieroglyphicus Malloch, 1915 | Maui bur cucumber |
| Culicoides hinmani Khalaf, 1952 | Rose moss |
| Culicoides hirtulus Coquillett, 1900 | |
| Culicoides hoguei Wirth & Assi..., 1979 | Longleaf phlox |
| Culicoides hollensis Melander & B..., 1903 | Biting midge |
| Culicoides horneae (Foote & Pratt, 1954) | ⇒ Culicoides travisi Vargas, 1949 |
| Culicoides husseyi Wirth & Blanton, 1971 | |
| Culicoides insolatus Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides inyoensis Wirth & Blanton, 1969 | Musky phlox |
| Culicoides iphthimus Zhou & Lee, 1984 | |
| Culicoides jacksoni Atchley, 1970 | |
| Culicoides jamaicensis Edwards, 1922 | Biting midge |
| Culicoides jamesi Fox, 1946 | |
| Culicoides jamnbacki Wirth & Hubert, 1962 | |
| Culicoides jonesi Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides juddi Cochrane, 1974 | |
| Culicoides kettlei Breidenbaugh..., 1999 | |
| Culicoides khalafi (Beck, 1957) | ⇒ Culicoides debilipalpis Lutz, 1913 |
| Culicoides kirbyi Glick & Mullen, 1983 | Least adder's-tongue |
| Culicoides knowltoni Beck, 1956 | |
| Culicoides lahontan Wirth & Blanton, 1969 | Musky phlox |
| Culicoides laurae ♰ Pierce, 1966 | |
| Culicoides leechi Wirth, 1977 | |
| Culicoides loisae Jamnback, 1965 | |
| Culicoides lophortygis Atchley & Wirth, 1975 | |
| Culicoides luglani Jones & Wirth, 1958 | Forked catchfly |
| Culicoides luteoventus Root & Hoffman, 1937 | |
| Culicoides luteovenus Root & Hoffman, 1937 | |
| Culicoides macrostigma Wirth & Blanton, 1953 | |
| Culicoides megacanthus ♰ A. R. Palmer, 1957 | |
| Culicoides melleus Coquillett, 1901 | |
| Culicoides miocenea Pierce, 1966 | |
| Culicoides mioceneus ♰ Pierce, 1966 | |
| Culicoides mississippiensis Hoffman, 1926 | |
| Culicoides mohave Wirth, 1952 | Hentz's phlox |
| Culicoides mojingaensis Wirth & Blanton, 1953 | |
| Culicoides monoensis Wirth, 1952 | Hentz's phlox |
| Culicoides mortivallis Wirth & Blanton, 1971 | |
| Culicoides mulrennani Beck, 1957 | |
| Culicoides multidentatus (Atchley & Wirth, 1975) | ⇒ Culicoides bottimeri Wirth, 1955 |
| Culicoides multipunctatus Malloch, 1915 | Maui bur cucumber |
| Culicoides nanellus Wirth & Blanton, 1969 | Musky phlox |
| Culicoides nanus Root & Hoffman, 1937 | Schaffner's wattle |
| Culicoides neofagineus Wirth & Blanton, 1969 | Musky phlox |
| Culicoides neomontanus Wirth, 1976 | Siberian phlox |
| Culicoides neopulicaris Wirth, 1955 | |
| Culicoides niger (Root & Hoffman, 1937) | ⇒ Culicoides odiatus Austen, 1921 |
| Culicoides novamexicanus Atchley, 1967 | |
| Culicoides occidentalis Wirth & Jones, 1957 | |
| Culicoides oregonensis Wirth & Rowley, 1971 | Wild sweetwilliam |
| Culicoides owyheensis Jones & Wirth, 1978 | Red campion |
| Culicoides palmerae James, 1943 | Claretcup hedgehog |
| Culicoides paraimpunctatus Borkent, 1995 | |
| Culicoides parapiliferus Wirth & Blanton, 1974 | |
| Culicoides pechumani Cochrane, 1974 | |
| Culicoides piliferus Root & Hoffman, 1937 | Schaffner's wattle |
| Culicoides posoensis Wirth & Blanton, 1969 | Musky phlox |
| Culicoides pseudopiliferus (Wirth & Hubert, 1962) | ⇒ Culicoides alexanderi Wirth & Hubert, 1962 |
| Culicoides reevesi Wirth, 1952 | Hentz's phlox |
| Culicoides riggsi Khalaf, 1957 | |
| Culicoides ryckmani Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides salihi Khalaf, 1952 | Rose moss |
| Culicoides saltonensis Wirth, 1952 | Hentz's phlox |
| Culicoides samoaensis | |
| Culicoides saundersi Wirth & Blanton, 1969 | Musky phlox |
| Culicoides scanloni Wirth & Hubert, 1962 | |
| Culicoides shemanchuki Grogan & Lysyk, 0 | |
| Culicoides sierrensis Wirth & Blanton, 1969 | Musky phlox |
| Culicoides simulans (Vimmer, 1932) | ⇒ Culicoides travisi Vargas, 1949 |
| Culicoides sitiens Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides snowi Wirth & Jones, 1956 | |
| Culicoides sommermanae Wirth & Blanton, 1969 | Musky phlox |
| Culicoides sonorensis (Wirth & Jones, 1957) | ⇒ Culicoides occidentalis Wirth & Jones, 1957 |
| Culicoides spinosus Root & Hoffman, 1937 | Schaffner's wattle |
| Culicoides stagetus Lee, 1979 | |
| Culicoides stellifer Coquillett, 1901 | |
| Culicoides stilobezzioides Foote & Pratt, 1954 | |
| Culicoides stonei James, 1943 | Claretcup hedgehog |
| Culicoides sublettei Atchley, 1967 | |
| Culicoides tenuistylus Wirth, 1952 | Hentz's phlox |
| Culicoides testudinalis Wirth & Hubert, 1962 | |
| Culicoides tissoti Wirth & Blanton, 1966 | Smooth phlox |
| Culicoides torreyae Wirth & Blanton, 1971 | |
| Culicoides torridus Wirth & Hubert, 1960 | Kelsey's phlox |
| Culicoides travisi Vargas, 1949 | |
| Culicoides tristriatulus (Hoffman, 1925) | ⇒ Culicoides elutus Macfie, 1948 |
| Culicoides truncatus ♰ A. Borkent, 2000 | |
| Culicoides unicolor Coquillett, 1905 | |
| Culicoides usingeri Wirth, 1952 | Hentz's phlox |
| Culicoides utahensis Fox, 1946 | |
| Culicoides utowana Jamnback, 1965 | |
| Culicoides venustus Hoffman, 1925 | Mulberry |
| Culicoides vestus | |
| Culicoides vetustus Breidenbaugh..., 1999 | |
| Culicoides werneri Wirth & Blanton, 1971 | |
| Culicoides wirthi Foote & Pratt, 1954 | |
| Culicoides wisconsinensis Jones, 1956 | Arctic catchfly |
| Culicoides yoosti ♰ A. Borkent, 2000 | |
| Culicoides yukonensis Hoffman, 1925 | Mulberry |
| Dasyhelea (Dasyhelea) flavifrons Guérin, 1833 | |
| Dasyhelea (Dicryptoscena) modesta Winnertz, 1852 | |
| Dasyhelea (Pseudoculicoides) arenivaga Macfie, 1943 | |
| Dasyhelea (Pseudoculicoides) bifida Zilahi-sebess, 1936 | Biting midge |
| Dasyhelea (Pseudoculicoides) corinneae Gosseries, 1991 | |
| Dasyhelea (Pseudoculicoides) fasciigera Kieffer, 1925 | |
| Dasyhelea (Pseudoculicoides) turficola Kieffer, 1925 | |
| Dasyhelea aegealitis Spinelli & W..., 1984 | Flowering spurge |
| Dasyhelea ampla Borkent, 1997 | |
| Dasyhelea ancora Coquillett, 1902 | |
| Dasyhelea antiqua ♰ A. R. Palmer, 1957 | |
| Dasyhelea atlantis Wirth & Will..., 1957 | Flowery phlox |
| Dasyhelea atrata Wirth, 1952 | Hentz's phlox |
| Dasyhelea australia Wirth, 1952 | |
| Dasyhelea australis | |
| Dasyhelea bajensis Wirth, 1978 | |
| Dasyhelea bermudae Wirth & Will..., 1957 | Flowery phlox |
| Dasyhelea bifurcata (Kieffer, 1923) | ⇒ Dasyhelea neobifurcata Wirth, 1976 |
| Dasyhelea brevicornis Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea brevicosta Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea brookmani Wirth, 1952 | Hentz's phlox |
| Dasyhelea browneae ♰ Pierce, 1966 | |
| Dasyhelea cactorum Wirth & Hubert, 1960 | Kelsey's phlox |
| Dasyhelea calvescens Macfie, 1938 | |
| Dasyhelea chani Wirth & Linley, 1990 | |
| Dasyhelea cincta Coquillett, 1901 | |
| Dasyhelea dara ♰ W. D. Pierce, 1966 | |
| Dasyhelea digna Borkent, 1997 | |
| Dasyhelea excellentis Borkent, 1997 | |
| Dasyhelea festiva Wirth, 1952 | Hentz's phlox |
| Dasyhelea grisea Coquillett, 1901 | |
| Dasyhelea griseola Wirth, 1978 | |
| Dasyhelea hawaiiensis Macfie, 1934 | Carolina frostweed |
| Dasyhelea johannseni Malloch, 1915 | |
| Dasyhelea judithae ♰ W. D. Pierce, 1966 | |
| Dasyhelea kanakoffi ♰ Pierce, 1966 | |
| Dasyhelea leptobranchia Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea longisterna | |
| Dasyhelea luteogrisea Wirth & Will..., 1957 | Flowery phlox |
| Dasyhelea messersmithi Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea mutabilis Coquillett, 1901 | |
| Dasyhelea navaiae Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea necrophila Spinelli & R..., 1999 | |
| Dasyhelea neobifurcata Wirth, 1976 | Siberian phlox |
| Dasyhelea oppressa Thomsen, 1935 | Iberian geranium |
| Dasyhelea pallens Wirth, 1952 | Hentz's phlox |
| Dasyhelea paludicola Kieffer, 1925 | |
| Dasyhelea pentalineata Wirth & Hubert, 1960 | Kelsey's phlox |
| Dasyhelea platychaeta Hardy, 1960 | Hawai'i peperomia |
| Dasyhelea pollex Borkent & Fo..., 1986 | |
| Dasyhelea pollinosa Wirth, 1952 | Hentz's phlox |
| Dasyhelea pritchardi Wirth, 1952 | Hentz's phlox |
| Dasyhelea pseudocincta Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea pseudoincisurata Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea ryckmani Wirth & Hubert, 1960 | Kelsey's phlox |
| Dasyhelea sanctaemariae Wirth, 1952 | Hentz's phlox |
| Dasyhelea scissurae Macfie, 1937 | Bushy frostweed |
| Dasyhelea sonorensis Wirth, 1978 | |
| Dasyhelea spiniforma Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea stemlerae Waugh & Wirth, 1976 | Davis horsenettle |
| Dasyhelea stenoceras ♰ A. R. Palmer, 1957 | |
| Dasyhelea sublettei Wirth, 1987 | |
| Dasyhelea tenebrosa Coquillett, 1905 | |
| Dasyhelea thomsenae Wirth, 1952 | Hentz's phlox |
| Dasyhelea traverae Thomson, 1935 | Iberian geranium |
| Dasyhelea tristyla Wirth, 1952 | Hentz's phlox |
| Dicryptoscena leptobranchia | |
| Downeshelea multilineata Lutz, 1914 | |
| Downeshelea stonei Wirth, 1953 | Texan phlox |
| Echinohelea lanei Wirth, 1951 | Trailing phlox |
| Forcipomyia (Blantonia) caribbea Wirth & Dow, 1971 | Spiny phlox |
| Forcipomyia (Caloforcipomyia) glauca Macfie, 1934 | |
| Forcipomyia (Caloforcipomyia) quokkae Debenham, 1987 | |
| Forcipomyia (Euprojoannisia) deucalionis Debenham & W..., 1984 | |
| Forcipomyia (Euprojoannisia) hardyi Wirth & Howarth, 1982 | |
| Forcipomyia (Euprojoannisia) kaneohe Wirth & Howarth, 1982 | |
| Forcipomyia (Euprojoannisia) palikuensis Hardy, 1960 | Hawai'i peperomia |
| Forcipomyia (Euprojoannisia) palustris (Meigen, 1804) | ⇒ Forcipomyia monilicornis Coquillett, 1905 |
| Forcipomyia (Euprojoannisia) pholeter Wirth & Howarth, 1982 | |
| Forcipomyia (Euprojoannisia) titillans Winnertz, 1852 | |
| Forcipomyia (Forcipomyia) biannulata Ingram & Macfie, 1924 | Biting midge |
| Forcipomyia (Forcipomyia) bipunctata Linnaeus, 1767 | |
| Forcipomyia (Forcipomyia) brevipennis Macquart, 1826 | |
| Forcipomyia (Forcipomyia) bystraki Grogan & Wirth, 1975 | |
| Forcipomyia (Forcipomyia) charon Debenham, 1987 | |
| Forcipomyia (Forcipomyia) ciliata Winnertz, 1852 | |
| Forcipomyia (Forcipomyia) crassipes Winnertz, 1852 | |
| Forcipomyia (Forcipomyia) genualis Loew, 1866 | |
| Forcipomyia (Forcipomyia) hirtula Zetterstedt, 1838 | |
| Forcipomyia (Forcipomyia) hygrophila Kieffer, 1924 | Biting midge |
| Forcipomyia (Forcipomyia) nigra Winnertz, 1852 | |
| Forcipomyia (Forcipomyia) nigrans Remm, 1962 | |
| Forcipomyia (Forcipomyia) pallida (Winnertz, 1852) | ⇒ Forcipomyia sphagnophila Kieffer, 1925 |
| Forcipomyia (Forcipomyia) pictoni Macfie, 1938 | Georgia frostweed |
| Forcipomyia (Forcipomyia) sphagnophila Kieffer, 1925 | |
| Forcipomyia (Forcipomyia) squamigera Kieffer, 1916 | |
| Forcipomyia (Forcipomyia) swezeyana Tokunaga & M..., 1959 | Midge |
| Forcipomyia (Lasiohelea) peregrinator Debenham, 1983 | |
| Forcipomyia (Lepidohelea) paenulata Debenham, 1987 | |
| Forcipomyia (Lepidohelea) pulcherrima Santos Abreu, 1918 | Midge |
| Forcipomyia (Metaforcipomyia) crepidinis Debenham, 1987 | |
| Forcipomyia (Microhelea) fuliginosa Meigen, 1818 | |
| Forcipomyia (Phytohelea) brevis Johannsen, 1927 | Pineapple midge |
| Forcipomyia (Phytohelea) oligarthra Saunders, 1957 | Biting midge |
| Forcipomyia (Pterobosca) ariel Macfie, 1932 | |
| Forcipomyia (Pterobosca) fusicornis Coquillett, 1905 | |
| Forcipomyia (Schizoforcipomyia) borbonica Clastrier, 1959 | Biting midge |
| Forcipomyia (Synthyridomyia) acidicola Tokunaga, 1937 | |
| Forcipomyia (Synthyridomyia) murina Winnertz, 1852 | |
| Forcipomyia (Thyridomyia) frutetorum Winnertz, 1852 | |
| Forcipomyia (Thyridomyia) monilicornis Coquillett, 1905 | |
| Forcipomyia (Trichohelea) eques Johannsen, 1908 | |
| Forcipomyia (Trichohelea) fairfaxensis Wirth, 1951 | Trailing phlox |
| Forcipomyia (Trichohelea) glauca Macfie, 1934 | |
| Forcipomyia (Trichohelea) insignis Skuse, 1889 | |
| Forcipomyia (Trichohelea) pluvialis Malloch, 1923 | Laysan bur cucumber |
| Forcipomyia (Trichohelea) tonnoiri Goetghebuer, 1920 | |
| Forcipomyia acinacis Wirth & Spin..., 1993 | |
| Forcipomyia aurea Malloch, 1915 | Maui bur cucumber |
| Forcipomyia baueri Wirth, 1956 | Fall phlox |
| Forcipomyia beckae Wirth, 1976 | Siberian phlox |
| Forcipomyia blantoni Soria & Bystrak, 1975 | Marbletree |
| Forcipomyia brookmani (Wirth, 1952) | ⇒ Forcipomyia fuliginosus Meigen, 1818 |
| Forcipomyia calcarata (Coquillett, 1905) | ⇒ Forcipomyia calcarhelea Wirth, 1973 |
| Forcipomyia calcarhelea Wirth, 1973 | |
| Forcipomyia canadensis Bystrak & Wirth, 1978 | |
| Forcipomyia christiansoni Wirth & Hubert, 1960 | Kelsey's phlox |
| Forcipomyia chrysolopha Kieffer, 1911 | Biting midge |
| Forcipomyia cilipes Coquillett, 1900 | |
| Forcipomyia cinctipes Coquillett, 1905 | |
| Forcipomyia cochisei Wirth & Spin..., 1993 | |
| Forcipomyia colemani (Wirth, 1952) | ⇒ Forcipomyia acidicola Tokunaga, 1937 |
| Forcipomyia concolor Malloch, 1915 | |
| Forcipomyia cornuta Saunders, 1964 | |
| Forcipomyia crinita Saunders, 1964 | |
| Forcipomyia desertensis Wirth & Hubert, 1960 | Kelsey's phlox |
| Forcipomyia dolichopodida Chan & Linley, 1989 | |
| Forcipomyia dowi Bystrak & Wirth, 1978 | |
| Forcipomyia dubiamima Wirth & Spin..., 1993 | |
| Forcipomyia eadsi Wirth & Spin..., 1993 | |
| Forcipomyia edmistoni Wirth & Spin..., 1993 | |
| Forcipomyia elegantula Malloch, 1915 | Maui bur cucumber |
| Forcipomyia eriophora Williston, 1896 | |
| Forcipomyia erucicida (Knab, 1914) | ⇒ Forcipomyia fuliginosus Meigen, 1818 |
| Forcipomyia fehrerorum Grogan & Sig..., 2007 | |
| Forcipomyia fimbriata Coquillett, 1901 | |
| Forcipomyia fishi Wirth & Soria, 1980 | Threadleaf phlox |
| Forcipomyia floridensis Dow & Wirth, 1972 | |
| Forcipomyia fuliginosus Meigen, 1818 | |
| Forcipomyia fuscicalcarata Bystrak & Wirth, 1978 | |
| Forcipomyia goniognatha Wirth & Mess..., 1971 | Longleaf phlox |
| Forcipomyia gravesi Wirth & Spin..., 1992 | |
| Forcipomyia hurdi Wirth, 1952 | Hentz's phlox |
| Forcipomyia indecora (Kieffer, 1914) | ⇒ Forcipomyia psilonota Kieffer, 1911 |
| Forcipomyia johannseni Thomsen, 1935 | Iberian geranium |
| Forcipomyia leei Wirth & Rata..., 1978 | Longhair phlox |
| Forcipomyia lefanui Carter, 1916 | |
| Forcipomyia leptognatha Wirth & Mess..., 1971 | Longleaf phlox |
| Forcipomyia limnetis Ingram & Macfie, 1931 | |
| Forcipomyia longitarsis (Malloch, 1915) | ⇒ Forcipomyia murina Winnertz, 1852 |
| Forcipomyia macswaini Wirth, 1952 | Hentz's phlox |
| Forcipomyia mcateei Wirth, 1956 | Fall phlox |
| Forcipomyia mexicana Wirth, 1956 | Fall phlox |
| Forcipomyia mortuifolii Saunders, 1959 | |
| Forcipomyia murinus Winnertz, 1852 | |
| Forcipomyia navaiae Bystrak & Wirth, 1978 | |
| Forcipomyia nodosa Saunders, 1959 | |
| Forcipomyia occidentalis (Wirth, 1952) | ⇒ Forcipomyia hygrophila Kieffer, 1924 |
| Forcipomyia pechumani Bystrak & Wirth, 1978 | |
| Forcipomyia pergandei Coquillett, 1901 | |
| Forcipomyia picea (Winnertz, 1852) | ⇒ Forcipomyia costata Zetterstedt, 1838 |
| Forcipomyia pilosa Coquillett, 1902 | |
| Forcipomyia pinicola Bystrak & Me..., 1980 | |
| Forcipomyia pricei Wirth & Spin..., 1993 | |
| Forcipomyia quasiingrami Macfie, 1939 | Clustered frostweed |
| Forcipomyia quatei Wirth, 1952 | Hentz's phlox |
| Forcipomyia seminole Wirth, 1976 | Siberian phlox |
| Forcipomyia sinuosa Dow & Wirth, 1972 | |
| Forcipomyia solonensis (Wirth, 1951) | ⇒ Forcipomyia sphagnophila Kieffer, 1925 |
| Forcipomyia sonora Wirth, 1952 | Hentz's phlox |
| Forcipomyia splendida (Wirth, 1951) | ⇒ Forcipomyia glauca Macfie, 1934 |
| Forcipomyia squamipes (Coquillett, 1902) | ⇒ Forcipomyia lefanui Carter, 1916 |
| Forcipomyia stenammatis Long, 1902 | |
| Forcipomyia stylifer Lutz Lutz, 0 | |
| Forcipomyia tenuichela Dow & Wirth, 1972 | |
| Forcipomyia tenuiforceps Macfie, 1939 | Clustered frostweed |
| Forcipomyia texana Long, 1902 | |
| Forcipomyia townesi Wirth, 1952 | Hentz's phlox |
| Forcipomyia unica Bystrak & Wirth, 1978 | |
| Forcipomyia usingeri Wirth & Spin..., 1993 | |
| Forcipomyia varipennis Wirth & Will..., 1957 | Flowery phlox |
| Forcipomyia veroensis Wirth & Mess..., 1971 | Longleaf phlox |
| Forcipomyia weemsi Wirth & Spin..., 1992 | |
| Forcipomyia wheeleri Long, 1902 | |
| Forcipomyia wirthi Saunders, 1956 | |
| Hebetula bisulca Debenham, 1974 | |
| Hebetula iversicolor Debenham, 1974 | |
| Hebetula lemur Debenham, 1974 | |
| Heleageron grimaldii ♰ A. Borkent, 1996 | |
| Heteromyia fasciata Say, 1825 | |
| Heteromyia prattii Coquillett, 1902 | |
| Jenkinshelea albaria Coquillett, 1895 | |
| Jenkinshelea blantoni Grogan & Wirth, 1977 | Gray's cloak fern |
| Jenkinshelea magnipennis Johannsen, 1908 | |
| Jenkinshelea stonei Grogan & Wirth, 1977 | Gray's cloak fern |
| Johannsenomyia annulicornis Malloch, 1918 | 'anunu |
| Johannsenomyia argentata Loew, 1861 | |
| Johannsenomyia hotchkissae W. D. Pierce, 1966 | |
| Lanatomyia electra Debenham, 1974 | |
| Lasiohelea globosa Boesel, 1937 | |
| Leptoconops (Holoconops) kerteszi Kieffer, 1908 | |
| Leptoconops (Holoconops) linleyi Wirth, 1973 | Smooth phlox |
| Leptoconops (Leptoconops) bullsbrookensis Smee, 1966 | |
| Leptoconops (Leptoconops) copiosus ♰ A. Borkent, 1996 | |
| Leptoconops (Leptoconops) curvachelus ♰ A. Borkent, 1996 | |
| Leptoconops (Leptoconops) endialis Smee, 1966 | |
| Leptoconops (Leptoconops) grandis Carter, 1921 | |
| Leptoconops (Leptoconops) halophilus Smee, 1966 | |
| Leptoconops (Leptoconops) longicornis Carter, 1921 | |
| Leptoconops (Leptoconops) mackerrasae Smee, 1966 | |
| Leptoconops (Leptoconops) smeei Wirth & Atchley, 1973 | |
| Leptoconops (Styloconops) albiventris Meijere, 1915 | Nono blanc des plages |
| Leptoconops americanus Carter, 1921 | |
| Leptoconops andersoni Clastrier & ..., 1978 | |
| Leptoconops arnaudi Clastrier & ..., 1978 | |
| Leptoconops asilomar Clastrier & ..., 1978 | |
| Leptoconops atchleyi Clastrier & ..., 1978 | |
| Leptoconops belkini Wirth, 1973 | Smooth phlox |
| Leptoconops californiensis Wirth, 1973 | Smooth phlox |
| Leptoconops carteri (Hoffman, 1926) | ⇒ Leptoconops torrens Townsend, 1893 |
| Leptoconops catawbae Boesel, 1948 | |
| Leptoconops floridensis Wirth, 1951 | Trailing phlox |
| Leptoconops foulki Clastrier & ..., 1978 | |
| Leptoconops freeborni Wirth, 1952 | Hentz's phlox |
| Leptoconops knowltoni Clastrier & ..., 1978 | |
| Leptoconops melanderi Wirth, 1973 | Smooth phlox |
| Leptoconops mohavensis Wirth, 1973 | Smooth phlox |
| Leptoconops reesi Clastrier & ..., 1978 | |
| Leptoconops sublettei Clastrier & ..., 1978 | |
| Leptoconops torrens Townsend, 1893 | |
| Leptoconops werneri Wirth, 1973 | Smooth phlox |
| Leptoconops whitseli Clastrier & ..., 1978 | |
| Macropeza blantoni Wirth & Rata..., 1972 | |
| Macropeza pamunkeiana Knausenberge..., 1980 | |
| Mallochohelea albibasis Malloch, 1915 | |
| Mallochohelea albihalter Wirth, 1962 | Downy phlox |
| Mallochohelea atripes Wirth, 1962 | Downy phlox |
| Mallochohelea caudellii Coquillett, 1905 | |
| Mallochohelea flavidula Malloch, 1914 | |
| Mallochohelea pullata Wirth, 1952 | |
| Mallochohelea smithi Lewis, 1956 | |
| Mallochohelea spinipes Wirth, 1962 | Downy phlox |
| Mallochohelea sybleae Wirth, 1952 | |
| Mallochohelea texensis Wirth, 1962 | Downy phlox |
| Mallochohelea variegata Wirth, 1962 | Downy phlox |
| Miopalpomyia shilo Pierce, 1966 | |
| Monohelea andersoni Wirth & Grogan, 1981 | Carpet phlox |
| Monohelea bifurcata Wirth & Will..., 1964 | |
| Monohelea floridensis Wirth & Will..., 1964 | |
| Monohelea grogani Delecolle & ..., 1995 | |
| Monohelea hirsuta Wirth & Grogan, 1981 | Carpet phlox |
| Monohelea jamnbacki Wirth & Will..., 1964 | |
| Monohelea knighti Wirth & Will..., 1964 | |
| Monohelea lanei Wirth, 1953 | Texan phlox |
| Monohelea macfiei Wirth, 1953 | Texan phlox |
| Monohelea maculipennis Coquillett, 1905 | |
| Monohelea magnitheca Wirth & Grogan, 1981 | Carpet phlox |
| Monohelea multilineata Lutz, 1914 | Biting midge |
| Monohelea obscura Wirth & Will..., 1964 | |
| Monohelea ornata Wirth, 1953 | Texan phlox |
| Monohelea texana Wirth, 1953 | Texan phlox |
| Monohelea wirthi Khalaf, 1969 | |
| Nannoodes pseudocistela ♰ A. Handlirsch, 1906 | |
| Neoculicoides jeanneae W. D. Pierce, 1966 | |
| Neopalpomyia freyi Pierce, 1966 | |
| Neurobezzia granulosa Wirth, 1952 | |
| Neurohelea nigra (Wirth, 1952) | ⇒ Atyphohelea macroneura Malloch, 1915 |
| Nilobezzia brevicornis Wirth, 1952 | |
| Nilobezzia mallochi Wirth, 1962 | Downy phlox |
| Nilobezzia minor Wirth, 1952 | |
| Nilobezzia pictipes Kieffer, 1910 | |
| Nilobezzia schwarzii Coquillett, 1901 | |
| Nilobezzia setipes | |
| Nilobezzia simplicior Debenham, 1974 | |
| Nilobezzia virago Debenham, 1974 | |
| Pachyhelea magnus | |
| Pachyhelea pachymera Williston, 1900 | |
| Palaeobrachypogon grandiforceps ♰ A. Borkent, 2000 | |
| Palaeobrachypogon remmi ♰ A. Borkent, 1995 | |
| Palpomyia aldrichi Malloch, 1915 | |
| Palpomyia altispina Grogan & Wirth, 1975 | |
| Palpomyia armatipes Wirth, 1952 | Hentz's phlox |
| Palpomyia aspina Grogan & Wirth, 1979 | Gregg's cloak fern |
| Palpomyia basalis Walker, 1848 | |
| Palpomyia belkini Grogan & Wirth, 1979 | Gregg's cloak fern |
| Palpomyia bottimeri Grogan & Wirth, 1979 | Gregg's cloak fern |
| Palpomyia canadensis Grogan & Wirth, 1979 | |
| Palpomyia cressoni Malloch, 1915 | |
| Palpomyia downesi Grogan & Wirth, 1979 | |
| Palpomyia essigi (Wirth, 1952) | ⇒ Palpomyia subasper Coquillett, 1901 |
| Palpomyia freyi ♰ Pierce, 1966 | |
| Palpomyia fulvithorax Malloch, 1915 | |
| Palpomyia hastata Grogan & Wirth, 1975 | |
| Palpomyia jamnbacki Grogan & Wirth, 1979 | Gregg's cloak fern |
| Palpomyia jonesi Grogan & Wirth, 1975 | |
| Palpomyia kernensis Wirth, 1952 | Hentz's phlox |
| Palpomyia limnochares Macfie, 1940 | |
| Palpomyia lineata Meigen, 1804 | |
| Palpomyia linsleyi Wirth, 1952 | Hentz's phlox |
| Palpomyia multispinosa ♰ W. D. Pierce, 1966 | |
| Palpomyia novitibialis Grogan & Wirth, 1975 | |
| Palpomyia occidentalis Grogan & Wirth, 1979 | Gregg's cloak fern |
| Palpomyia plebeiella Grogan & Wirth, 1975 | |
| Palpomyia plebeja Loew, 1861 | |
| Palpomyia pseudorufa Grogan & Wirth, 1975 | |
| Palpomyia rubiginosa Grogan & Wirth, 1975 | |
| Palpomyia rufa Loew, 1861 | |
| Palpomyia ryshkoffi ♰ Pierce, 1966 | |
| Palpomyia scalpellifera Grogan & Wirth, 1975 | |
| Palpomyia shilo ♰ Pierce, 1966 | |
| Palpomyia stonei Wirth, 1951 | Trailing phlox |
| Palpomyia subasper Coquillett, 1901 | |
| Palpomyia subaspera Coquillett, 1901 | |
| Palpomyia tibialis Meigen, 1818 | |
| Palpomyia trifasciata Wirth, 1952 | Hentz's phlox |
| Palpomyia walteri Grogan & Wirth, 1979 | Gregg's cloak fern |
| Palpomyia weemsi Grogan & Wirth, 1979 | Gregg's cloak fern |
| Parabezzia alexanderi Wirth, 1965 | Downy phlox |
| Parabezzia atchleyi Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia bystraki Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia eupetiolata Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia horvathi Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia huberti Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia inermis Coquillett, 1902 | |
| Parabezzia neunguis Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia petiolata Malloch, 1915 | Maui bur cucumber |
| Parabezzia texensis Grogan & Wirth, 1977 | Gray's cloak fern |
| Parabezzia uncinata Johannsen, 1943 | |
| Parabezzia unguis Wirth, 1965 | Downy phlox |
| Parabezzia williamsi Wirth, 1965 | Downy phlox |
| Paraculicoides rouseae Pierce, 1966 | |
| Paradasyhelea olympiae Wirth & Blanton, 1969 | Henderson's phlox |
| Parapalpomyia ryshkoffi Pierce, 1966 | |
| Paryphoconus sonorensis Wirth & Rata..., 1972 | |
| Paryphoconus telmatophilus Macfie, 1940 | |
| Phaenobezzia opaca Loew, 1861 | |
| Phaenobezzia sabroskyi Wirth & Grogan, 1982 | |
| Probezzia albitibia Wirth, 1971 | |
| Probezzia albiventris Loew, 1861 | |
| Probezzia atriventris Wirth, 1951 | Trailing phlox |
| Probezzia bottimeri Wirth, 1971 | |
| Probezzia concinna Meigen, 1818 | |
| Probezzia elegans | |
| Probezzia fairchildi Wirth, 1994 | |
| Probezzia flavonigra Coquillett, 1905 | |
| Probezzia fuscipennis Wirth, 1971 | |
| Probezzia glicki Wirth, 1994 | |
| Probezzia infuscata Malloch, 1915 | Maui bur cucumber |
| Probezzia jamnbacki Wirth, 1971 | |
| Probezzia ludoviciana Wirth, 1951 | Trailing phlox |
| Probezzia meadi Wirth, 1994 | |
| Probezzia nigra Wirth, 1971 | |
| Probezzia pallida Malloch, 1914 | Gray's bur cucumber |
| Probezzia rosewalli Wirth, 1951 | Trailing phlox |
| Probezzia sabroskyi Wirth, 1951 | Trailing phlox |
| Probezzia seminigra Panzer, 1798 | |
| Probezzia smithii Coquillett, 1901 | |
| Probezzia unica Johannsen, 1934 | |
| Probezzia weemsi Wirth, 1994 | |
| Probezzia williamsi Wirth, 1971 | |
| Probezzia wirthi Spinelli & G..., 1997 | |
| Probezzia xanthogaster Kieffer, 1917 | |
| Protoculicoides globosus Boesel, 1937 | |
| Protoculicoides incompletus Szadziewski ..., 1992 | |
| Rhynchohelea monilicornis Wirth & Blanton, 1970 | |
| Schizodactylus groeningae ♰ R. G. Martin..., 2007 | |
| Schizohelea leucopeza Meigen, 1804 | |
| Schizonyxhelea bulla Thomsen Thomsen, 0 | |
| Schizonyxhelea thomsenae Wirth, 1953 | |
| Serromyia barberi Wirth, 1952 | Hentz's phlox |
| Serromyia crassifemorata Malloch, 1914 | Gray's bur cucumber |
| Serromyia femorata (Meigen, 1804) | ⇒ Serromyia subinermis Kieffer, 1919 |
| Serromyia ledicola Kieffer, 1925 | |
| Serromyia nudicolis Borkent, 1990 | |
| Serromyia sierrensis Borkent, 1990 | |
| Serromyia subinermis Kieffer, 1919 | |
| Serromyia vockerothi Borkent, 1990 | |
| Sphaeromias bifidus Wirth & Grogan, 1979 | Carpet phlox |
| Sphaeromias longipennis Loew, 1861 | |
| Stenoxenus arcuatus Wirth & Rata..., 1972 | |
| Stenoxenus johnsoni Coquillett, 1899 | |
| Stenoxenus marginalis Wirth & Rata..., 1972 | |
| Stilobezzia (Acanthohelea) acrotrichis Tokunaga, 1959 | |
| Stilobezzia (Acanthohelea) lutacea Edwards, 1926 | |
| Stilobezzia (Acanthohelea) pruinosa (Wirth, 1952) | ⇒ Stilobezzia hirta Borkent, 1997 |
| Stilobezzia (Acanthohelea) viridis Coquillett, 1901 | |
| Stilobezzia (Debenhamia) dycei Wirth & Grogan, 1988 | |
| Stilobezzia (Stilobezzia) antennalis Coquillett, 1901 | |
| Stilobezzia (Stilobezzia) pictipes Kieffer, 1917 | |
| Stilobezzia amnigena Macfie, 1935 | |
| Stilobezzia atrichopogon Lane & Forat..., 1956 | |
| Stilobezzia beckae Wirth, 1953 | Texan phlox |
| Stilobezzia blantoni Lane & Forat..., 1956 | |
| Stilobezzia bulla Thomson, 1935 | Iberian geranium |
| Stilobezzia coquilletti Kieffer, 1917 | Brewer's redmaids |
| Stilobezzia diversa Coquillett, 1901 | |
| Stilobezzia elegantula Johannsen, 1907 | |
| Stilobezzia fuscula Wirth, 1952 | Hentz's phlox |
| Stilobezzia glauca Macfie, 1939 | Clustered frostweed |
| Stilobezzia hirta Borkent, 1997 | |
| Stilobezzia kiefferi Lane, 1947 | Wetherill's buckwheat |
| Stilobezzia kurthi ♰ A. Borkent, 2000 | |
| Stilobezzia lutea Malloch, 1918 | |
| Stilobezzia navaiae Wirth & Grogan, 1981 | Carpet phlox |
| Stilobezzia pallidiventris Malloch, 1915 | |
| Stilobezzia pictus | |
| Stilobezzia punctipes (Wirth, 1953) | ⇒ Stilobezzia kiefferi Lane, 1947 |
| Stilobezzia rabelloi Lane, 1947 | Wetherill's buckwheat |
| Stilobezzia stonei Wirth, 1953 | Texan phlox |
| Stilobezzia sybleae Wirth, 1953 | Texan phlox |
| Stilobezzia thomsenae Wirth, 1953 | Texan phlox |
| Washingtonhelea frommeri Wirth & Grogan, 1988 | |
