| Acreophthiria americana Coquillett, 1895 | |
| Acreophthiria egermians Loew, 1872 | |
| Acreophthiria egerminans Loew, 1872 | |
| Acreotrichites scopulicornis Cockerell, 1917 | |
| Acreotrichus antecedens Walker, 1849 | |
| Acreotrichus similis | |
| Alepidophora cockerelli ♰ A. L. Melander, 1949 | |
| Alepidophora maxima ♰ S. E. Lewis, 1972 | Bee fly |
| Alepidophora minor ♰ A. L. Melander, 1949 | |
| Alepidophora pealei ♰ T. D. A. Coc..., 1909 | |
| Aleucosia abdita Yeates, 1991 | |
| Aleucosia adusta Yeates, 1991 | |
| Aleucosia affinis Yeates, 1991 | |
| Aleucosia albovittata Yeates, 1991 | |
| Aleucosia angusta Edwards, 1934 | |
| Aleucosia aquila Yeates, 1991 | |
| Aleucosia arguta Yeates, 1991 | |
| Aleucosia atherix Newman, 1841 | |
| Aleucosia australensis Evenhuis, 1980 | |
| Aleucosia cincta Edwards, 1934 | |
| Aleucosia corculum Newman, 1841 | |
| Aleucosia cuneata Edwards, 1934 | |
| Aleucosia dorsalis Walker, 1849 | |
| Aleucosia fulvipes Bigot, 1892 | |
| Aleucosia guttata Yeates, 1991 | |
| Aleucosia hemiteles Schiner, 1868 | |
| Aleucosia hyalina Yeates, 1991 | |
| Aleucosia illota Yeates, 1991 | |
| Aleucosia macfarlandi Evenhuis, 1980 | |
| Aleucosia maculosa Newman, 1841 | |
| Aleucosia multipunctata Yeates, 1991 | |
| Aleucosia norrisi Hull, 1973 | |
| Aleucosia obtusa Yeates, 1991 | |
| Aleucosia plena Walker, 1849 | |
| Aleucosia preclara Yeates, 1991 | |
| Aleucosia saltuaria Yeates, 1991 | |
| Aleucosia serpentigera Walker, 1849 | |
| Aleucosia sugillata Yeates, 1991 | |
| Aleucosia tridentata Yeates, 1991 | |
| Alomatia fusca ♰ T. D. A. Coc..., 1914 | |
| Amphicosmus (Amphicosmus) delicatulus ♰ A. L. Melander, 1949 | |
| Amphicosmus cincturus Williston, 1901 | Tansyleaf lidpod |
| Amphicosmus elegans Coquillett, 1891 | |
| Amphicosmus vanduzeei Cole, 1923 | |
| Anastoechus barbatus Osten Sacken, 1877 | |
| Anastoechus hessei Hall, 1958 | Soursop |
| Anastoechus leucothrix Hall & Evenhuis, 1981 | Cucumber-tree |
| Anastoechus melanohalteralis Tucker, 1907 | Eryngo |
| Anastoechus mellinus Francois, 1969 | |
| Anthrax agrippina (Osten Sacken, 1887) | ⇒ Villa agrippina Osten Sacken, 1887 |
| Anthrax albofasciatus Macquart, 1840 | |
| Anthrax albosparsus Bigot, 1892 | |
| Anthrax alcyon (Say, 1824) | ⇒ Poecilanthrax alcyon Say, 1824 |
| Anthrax alterna (Walker, 1849) | ⇒ Exoprosopini alterna Walker, 1849 |
| Anthrax analis (Say, 1823) | ⇒ Anthrax albofasciatus Macquart, 1840 |
| Anthrax angularis (Thomson, 1869) | ⇒ Villa angularis Thomson, 1869 |
| Anthrax anthrax Schrank, 1781 | Anthracite Bee-fly |
| Anthrax argentatus Cole, 1919 | |
| Anthrax argentius Yeates & Lam..., 1998 | |
| Anthrax atriplex Marston, 1970 | |
| Anthrax aureosquamosus Marston, 1963 | Bladderpod spiderflower |
| Anthrax bigradata (Loew, 1869) | ⇒ Hemipenthes bigradatus Loew, 1869 |
| Anthrax camptocladius Bezzi, 1912 | |
| Anthrax cascadensis (Marston, 1963) | ⇒ Anthrax albofasciatus Macquart, 1840 |
| Anthrax chaparralus (Marston, 1963) | ⇒ Anthrax aureosquamosus Marston, 1963 |
| Anthrax cintalapa Cole, 1957 | |
| Anthrax clinatus Yeates & Lam..., 1998 | |
| Anthrax columbiensis Marston, 1963 | Bladderpod spiderflower |
| Anthrax crenatus Yeates & Lam..., 1998 | |
| Anthrax crocina (Coquillett, 1892) | ⇒ Chrysanthrax crocinus Coquillett, 1892 |
| Anthrax cunicula (Osten Sacken, 1886) | ⇒ Paravilla cunicula Osten Sacken, 1886 |
| Anthrax cypris (Meigen, 1820) | ⇒ Chrysanthrax cypris Meigen, 1820 |
| Anthrax daphne Osten Sacken, 1886 | |
| Anthrax decisus Bezzi, 1924 | |
| Anthrax dentoni ♰ S. E. Lewis, 1969 | |
| Anthrax eumenes (Osten Sacken, 1887) | ⇒ Hemipenthes eumenes Osten Sacken, 1887 |
| Anthrax fenestratoides (Coquillett, 1892) | ⇒ Thyridanthrax fenestratoides Coquillett, 1892 |
| Anthrax fissa (Bigot, 1892) | ⇒ Exoprosopini fissa Bigot, 1892 |
| Anthrax hircina (Coquillett, 1892) | ⇒ Chrysanthrax hircinus Coquillett, 1892 |
| Anthrax incomptus Walker, 1849 | |
| Anthrax inculta (Coquillett, 1892) | ⇒ Exoprosopini inculta Coquillett, 1892 |
| Anthrax irroratus Say, 1823 | Spotted Bee Fly |
| Anthrax lepidota (Osten Sacken, 1887) | ⇒ Hemipenthes lepidotus Osten Sacken, 1887 |
| Anthrax limatulus Say, 1829 | |
| Anthrax maculatus Macquart, 1846 | |
| Anthrax marstoni Evenhuis & G..., 1999 | |
| Anthrax melanopogon Bigot, 1892 | |
| Anthrax miscella (Coquillett, 1887) | ⇒ Villa miscella Coquillett, 1887 |
| Anthrax molitor (Loew, 1869) | ⇒ Villa molitor Loew, 1869 |
| Anthrax nidicola Cole, 1952 | |
| Anthrax pauper Loew, 1869 | |
| Anthrax picea Marston, 1963 | Bladderpod spiderflower |
| Anthrax plesius Curran, 1927 | |
| Anthrax seriepunctatus (Osten Sacken, 1887) | ⇒ Spogostylum seriepunctatus Osten Sacken, 1887 |
| Anthrax siccus Yeates & Lam..., 1999 | |
| Anthrax sodom (Williston, 1893) | ⇒ Exoprosopini sodom Williston, 1893 |
| Anthrax squamigera (Coquillett, 1892) | ⇒ Villa squamigera Coquillett, 1892 |
| Anthrax stellans Loew, 1869 | |
| Anthrax syrtis (Coquillett, 1887) | ⇒ Paravilla syrtis Coquillett, 1887 |
| Anthrax torulus Yeates & Lam..., 1998 | |
| Anthrax vallicola (Marston, 1963) | ⇒ Anthrax limatulus Say, 1829 |
| Anthrax varicolor Bigot, 1892 | |
| Anthrax varius Fabricius, 1794 | |
| Anthrax vierecki Cresson, 1919 | |
| Aphoeantus concinnus | |
| Aphoebantus abnormis Coquillett, 1891 | |
| Aphoebantus albopilosus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus altercinctus Melander, 1950 | Rape |
| Aphoebantus arenicola Melander, 1950 | Rape |
| Aphoebantus argentifrons Cole, 1923 | |
| Aphoebantus bilineatus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus borealis Cole, 1921 | |
| Aphoebantus brevistylus Coquillett, 1891 | |
| Aphoebantus capax Coquillett, 1891 | |
| Aphoebantus carbonarius Osten Sacken, 1887 | |
| Aphoebantus catulus Coquillett, 1894 | |
| Aphoebantus cervinus Loew, 1872 | Juniper globemallow |
| Aphoebantus concinnus Coquillett, 1892 | |
| Aphoebantus contiguus Melander, 1950 | Rape |
| Aphoebantus conurus Osten Sacken, 1887 | |
| Aphoebantus desertus Coquillett, 1891 | |
| Aphoebantus eremicola Melander, 1950 | Rape |
| Aphoebantus fumidus Coquillett, 1891 | |
| Aphoebantus fumosus Coquillett, 1892 | |
| Aphoebantus halteratus Melander, 1950 | Rape |
| Aphoebantus hirsutus Coquillett, 1886 | |
| Aphoebantus interruptus Coquillett, 1891 | |
| Aphoebantus inversus Melander, 1950 | Rape |
| Aphoebantus leucospilus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus leviculus Coquillett, 1894 | |
| Aphoebantus marcidus Coquillett, 1891 | |
| Aphoebantus marginatus Cole, 1923 | |
| Aphoebantus melanomerinyx Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus mixtus Coquillett, 1891 | |
| Aphoebantus mormon Melander, 1950 | Rape |
| Aphoebantus mus Osten Sacken, 1877 | |
| Aphoebantus nigropilosus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus oxypetes Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus parkeri Melander, 1950 | Rape |
| Aphoebantus pavidus Coquillett, 1886 | |
| Aphoebantus pellucidus Coquillett, 1892 | |
| Aphoebantus peodes Osten Sacken, 1887 | |
| Aphoebantus prodes Osten Sacken, 1887 | |
| Aphoebantus scalaris Melander, 1950 | Rape |
| Aphoebantus schlingeri Hall, 1957 | Mountain soursop |
| Aphoebantus scriptus Coquillett, 1891 | |
| Aphoebantus separatus (Melander, 1950) | ⇒ Aphoebantus contiguus Melander, 1950 |
| Aphoebantus sperryorum Melander, 1950 | Rape |
| Aphoebantus squamosus Coquillett, 1891 | |
| Aphoebantus tardus Coquillett, 1891 | |
| Aphoebantus timberlakei Melander, 1950 | Rape |
| Aphoebantus transitus Coquillett, 1886 | |
| Aphoebantus ursula Melander, 1950 | Rape |
| Aphoebantus varius Coquillett, 1891 | |
| Aphoebantus vasatus Melander, 1950 | Rape |
| Aphoebantus vittatus Coquillett, 1886 | |
| Aphoebantus vulpecula Coquillett, 1894 | |
| Aphoebantus xanthoscelus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Apolysis acrostichalis Melander, 1946 | |
| Apolysis analis Melander, 1946 | |
| Apolysis anthonoma Melander, 1946 | |
| Apolysis aperta Melander, 1946 | |
| Apolysis arcostichalis Melander, 1946 | |
| Apolysis bicolor Melander, 1946 | |
| Apolysis bifaria Melander, 1946 | Szowits' madwort |
| Apolysis bilineata Melander, 1946 | |
| Apolysis capax Coquillett, 1892 | |
| Apolysis chalybea Melander, 1946 | |
| Apolysis cinctura Coquillett, 1894 | |
| Apolysis colei Melander, 1946 | |
| Apolysis comosa Melander, 1946 | |
| Apolysis disjuncta Melander, 1946 | |
| Apolysis dissimilis Melander, 1946 | |
| Apolysis distincta Melander, 1946 | |
| Apolysis divisus Melander, 1946 | |
| Apolysis dolorosa Melander, 1946 | |
| Apolysis druias Melander, 1946 | |
| Apolysis eremitis Melander, 1946 | |
| Apolysis fasciola Coquillett, 1892 | |
| Apolysis glauca Melander, 1946 | |
| Apolysis humbug Evenhuis, 1985 | |
| Apolysis instabilis Melander, 1946 | |
| Apolysis knabi Cresson, 1915 | |
| Apolysis lasius Melander, 1946 | |
| Apolysis longirostris Melander, 1946 | |
| Apolysis loricata Melander, 1946 | |
| Apolysis lugens Melander, 1946 | |
| Apolysis maculata Melander, 1946 | |
| Apolysis magister ♰ A. L. Melander, 1946 | |
| Apolysis matutina Melander, 1946 | |
| Apolysis melanderella Evenhuis, 1990 | |
| Apolysis minutissima Melander, 1946 | |
| Apolysis mitis Cresson, 1915 | |
| Apolysis mohavea Melander, 1946 | |
| Apolysis montana (Melander, 1946) | ⇒ Apolysis zaitzevi Evenhuis, 1990 |
| Apolysis mus Bigot, 1886 | |
| Apolysis neuter Melander, 1946 | |
| Apolysis nigricans Tabet & Hall, 1987 | |
| Apolysis obscura Cresson, 1915 | |
| Apolysis palpalis Melander, 1946 | |
| Apolysis pannea Melander, 1946 | |
| Apolysis petiolata Melander, 1946 | |
| Apolysis polius Melander, 1946 | |
| Apolysis pulchra Melander, 1946 | |
| Apolysis pullata Melander, 1946 | |
| Apolysis quinquenotata Johnson, 1903 | |
| Apolysis retrorsa Melander, 1946 | |
| Apolysis scapularis Melander, 1946 | |
| Apolysis scapulata Melander, 1946 | |
| Apolysis setosa Cresson, 1915 | |
| Apolysis sigma Coquillett, 1902 | |
| Apolysis sipho Melander, 1946 | |
| Apolysis speculifera Melander, 1946 | |
| Apolysis timberlakei Melander, 1946 | |
| Apolysis togata Melander, 1946 | |
| Apolysis trifida Melander, 1946 | |
| Apolysis trochila Coquillett, 1894 | |
| Apolysis trochilus Coquillett, 1894 | |
| Apolysis zaitzevi Evenhuis, 1990 | |
| Apolysis zzyzxensis Evenhuis, 1985 | |
| Apsilocephala longistyla Krober, 1914 | Alpine sheep sorrel |
| Apsilocephala vagabunda ♰ T. D. A. Coc..., 1927 | |
| Apystomyia elinguis Melander, 1950 | Rape |
| Argyramoeba cybele (Coquillett, 1894) | ⇒ Anthrax cybele Coquillett, 1894 |
| Argyromoeba delila Loew, 1869 | |
| Astrophanes adonis Osten Sacken, 1886 | Kellogg's hawthorn |
| Australiphthiria albocapita (Roberts, 1929) | ⇒ Australiphthiria albocapitis Roberts, 1929 |
| Australiphthiria albocapitis Roberts, 1929 | |
| Balaana abscondita Lambkin & Ye..., 2003 | |
| Balaana biscuspis Lambkin & Ye..., 2003 | |
| Balaana centrosa Lambkin & Ye..., 2003 | |
| Balaana gigantea Lambkin & Ye..., 2003 | |
| Balaana kingcascadensis Lambkin & Ye..., 2003 | |
| Bombylius (Bombylius) aaroni Baez, 1983 | |
| Bombylius (Bombylius) albicapillus Loew, 1872 | Juniper globemallow |
| Bombylius (Bombylius) anthophilus Evenhuis, 1983 | |
| Bombylius (Bombylius) aurifer Osten Sacken, 1877 | |
| Bombylius (Bombylius) breviabdominalis Evenhuis, 1977 | Imbricate lorentziella moss |
| Bombylius (Bombylius) cinereus (Olivier, 1789) | ⇒ Bombylius meigeni Evenhuis & G..., 1999 |
| Bombylius (Bombylius) comanche Painter, 1962 | |
| Bombylius (Bombylius) curtirhynchus Evenhuis, 1978 | |
| Bombylius (Bombylius) diegoensis Painter, 1933 | Hooker's cinquefoil |
| Bombylius (Bombylius) lancifer Osten Sacken, 1877 | |
| Bombylius (Bombylius) major Linnaeus, 1758 | Bee fly |
| Bombylius (Bombylius) mohavensis Evenhuis, 1975 | |
| Bombylius (Bombylius) pygmaeus Fabricius, 1781 | Pygmy Bee Fly |
| Bombylius aestivus Johnson & Jo..., 1975 | Chihuahuan chickweed |
| Bombylius albosparsus Bigot, 1892 | |
| Bombylius altimyia Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius anthophoroides Evenhuis, 1977 | Imbricate lorentziella moss |
| Bombylius auriferoides Johnson & Jo..., 1975 | Chihuahuan chickweed |
| Bombylius balion Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius ballmeri Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius cachinnans Osten Sacken, 1877 | |
| Bombylius californicus Evenhuis & T..., 1981 | |
| Bombylius cinerivus Painter, 1962 | |
| Bombylius flavifacies Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius halli Evenhuis & T..., 1981 | |
| Bombylius japygus Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius kanabensis Johnson & Jo..., 1975 | Chihuahuan chickweed |
| Bombylius lassenensis Johnson & Jo..., 1965 | Pretty cinquefoil |
| Bombylius metopium Osten Sacken, 1877 | |
| Bombylius nevadensis Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius nicholsonae Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius nigriventris Johnson & Jo..., 1975 | Chihuahuan chickweed |
| Bombylius pendens Cole, 1919 | |
| Bombylius plichtai Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius ravus Loew, 1863 | Copper mallow |
| Bombylius sierra Evenhuis & G..., 1999 | |
| Bombylius silvus Cole, 1919 | |
| Bombylius syndesmus Coquillett, 1894 | |
| Bombylius vallicola Evenhuis & T..., 1981 | |
| Bombylius washingtoniensis Evenhuis, 1978 | |
| Bombylius xanthothrix Evenhuis, 1978 | |
| Bombylius zephyr Evenhuis & G..., 1999 | |
| Brachyanax hemipenthes Evenhuis, 1988 | |
| Brychosoma hilare Walker, 1849 | |
| Choristus annexus Roberts, 1928 | |
| Choristus bifrons Walker, 1852 | |
| Chrysanthrax adumbrata Coquillett, 1887 | |
| Chrysanthrax adumbratus Coquillett, 1887 | |
| Chrysanthrax albicomus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Chrysanthrax altus Tucker, 1907 | |
| Chrysanthrax anna Coquillett, 1887 | |
| Chrysanthrax atratus Coquillett, 1887 | |
| Chrysanthrax caliginosus Evenhuis & G..., 1999 | |
| Chrysanthrax cautor Coquillett, 1887 | |
| Chrysanthrax cinefactus Coquillett, 1892 | |
| Chrysanthrax crocinus Coquillett, 1892 | |
| Chrysanthrax edititius Say, 1829 | |
| Chrysanthrax eudorus Coquillett, 1887 | |
| Chrysanthrax hircinus Coquillett, 1892 | |
| Chrysanthrax juncturus Coquillett, 1887 | |
| Chrysanthrax leviculus Coquillett, 1894 | |
| Chrysanthrax pallidulus Coquillett, 1894 | |
| Chrysanthrax partita Tabet & Hall, 1987 | Santa Cruz star leaf |
| Chrysanthrax petalonyx Tabet & Hall, 1987 | Santa Cruz star leaf |
| Chrysanthrax scitulus Coquillett, 1887 | |
| Chrysanthrax tantillus Coquillett, 1892 | |
| Chrysanthrax telluris Coquillett, 1892 | |
| Chrysanthrax turbatus Coquillett, 1887 | |
| Chrysanthrax vanus Coquillett, 1887 | |
| Chrysanthrax variatus Coquillett, 1892 | |
| Chrysanthrax vastus Coquillett, 1892 | |
| Chrysanthrax vulpinus Coquillett, 1892 | |
| Comptosia acantha Yeates, 1991 | |
| Comptosia aurescens Yeates, 1991 | |
| Comptosia barrowensis Yeates & Obe..., 2013 | |
| Comptosia basalis Walker, 1849 | |
| Comptosia casimira Hull, 1973 | |
| Comptosia decedens Walker, 1849 | |
| Comptosia duofasciata (Hull, 1973) | ⇒ Comptosia tendens Walker, 1849 |
| Comptosia extensa Walker, 1835 | |
| Comptosia flava Yeates, 1991 | |
| Comptosia flavipenna Yeates, 1991 | |
| Comptosia flexuosa Yeates, 1991 | |
| Comptosia gemina Hardy, 1941 | |
| Comptosia karijinii Yeates & Obe..., 2013 | |
| Comptosia lactea Yeates, 1991 | |
| Comptosia magna Yeates, 1991 | |
| Comptosia mallota Yeates, 1991 | |
| Comptosia microrhynchus Yeates, 1991 | |
| Comptosia miranda ♰ T. D. A. Coc..., 1909 | |
| Comptosia nitella Yeates, 1991 | |
| Comptosia partita Newman, 1841 | |
| Comptosia pilosa Yeates, 1991 | |
| Comptosia sandaraca Yeates, 1991 | |
| Comptosia speciosa Yeates, 1991 | |
| Comptosia tendens Walker, 1849 | |
| Comptosia thyris Yeates, 1991 | |
| Comptosia xanthobasis Yeates, 1991 | |
| Comptosia zona Yeates, 1991 | |
| Conophorus atratulus Loew, 1872 | |
| Conophorus auratus Priddy, 1954 | Gibbs' milkvetch |
| Conophorus chinooki Priddy, 1954 | Gibbs' milkvetch |
| Conophorus collini Priddy, 1958 | Giant milkvetch |
| Conophorus columbiensis Priddy, 1954 | Gibbs' milkvetch |
| Conophorus cristatus Painter, 1940 | |
| Conophorus fallax Greene, 1921 | |
| Conophorus fenestratus Osten Sacken, 1877 | |
| Conophorus hiltoni Priddy, 1958 | Giant milkvetch |
| Conophorus melanoceratus Bigot, 1892 | |
| Conophorus nigripennis Loew, 1872 | |
| Conophorus obesulus Loew, 1872 | |
| Conophorus rufulus Osten Sacken, 1877 | |
| Conophorus sackenii Johnson & Ma..., 1953 | Texas chickweed |
| Cryomyia argyropila Hull, 1973 | |
| Cyllenia aegiale (Walker, 1849) | ⇒ Thevenemyia niger Macquart, 1834 |
| Desmatomyia anomala Williston, 1895 | Spanish arborvine |
| Desmatomyia scopulicornis ♰ T. D. A. Coc..., 1917 | |
| Desmatoneura argentifrons Williston, 1895 | Spanish arborvine |
| Dicranoclista fasciata Johnson & Jo..., 1960 | Dry chickweed |
| Dicranoclista vandykei Coquillett, 1894 | |
| Diochanthrax morulus Hall, 1975 | |
| Dipalta serpentina Osten Sacken, 1877 | |
| Docidomyia albifrons Yeates, 1996 | |
| Docidomyia angusta Yeates, 1996 | |
| Docidomyia danielsi Yeates, 1996 | |
| Docidomyia genualia Yeates, 1996 | |
| Docidomyia hespera Yeates, 1996 | |
| Docidomyia nicholsoni Yeates, 1996 | |
| Docidomyia nigra Yeates, 1996 | |
| Docidomyia norrisi Paramonov, 1951 | |
| Dolichomyia gracilis Williston, 1894 | |
| Dolichomyia tertiaria ♰ T. D. A. Coc..., 1917 | |
| Dolichomyia testea ♰ A. L. Melander, 1949 | |
| Elegans elegans | |
| Eoanomala melas Greenwalt & ..., 2015 | |
| Epacmus clunalis Melander, 1950 | Rape |
| Epacmus connectens Melander, 1950 | Rape |
| Epacmus labiosus Melander, 1950 | Rape |
| Epacmus litus Coquillett, 1886 | |
| Epacmus nebritis Coquillett, 1894 | |
| Epacmus nebritus Coquillett, 1894 | |
| Epacmus nitidus Cole, 1921 | |
| Epacmus pallidus Cresson, 1919 | |
| Epacmus tomentosus Melander, 1950 | Rape |
| Eristalopsis byrrha Bowden, 1971 | |
| Eucessia rubens Coquillett, 1886 | |
| Eusurbus altus Walker, 1849 | |
| Eusurbus pinguis Walker, 1849 | |
| Exechohypopion albatum Roberts, 1928 | |
| Exepacmus johnsoni Coquillett, 1894 | |
| Exoprosopa agassizii Loew, 1869 | Juniper globemallow |
| Exoprosopa arenicola Johnson & Jo..., 1959 | Fivestamen chickweed |
| Exoprosopa bifurca Loew, 1869 | Juniper globemallow |
| Exoprosopa brevirostris Williston, 1901 | Tansyleaf lidpod |
| Exoprosopa butleri Johnson & Jo..., 1959 | Fivestamen chickweed |
| Exoprosopa californiae Walker, 1852 | |
| Exoprosopa caliptera Say, 1823 | |
| Exoprosopa capnoptera Bezzi, 1912 | |
| Exoprosopa capucina Fabricius, 1781 | |
| Exoprosopa celer Cole, 1916 | |
| Exoprosopa decora Loew, 1869 | Juniper globemallow |
| Exoprosopa divisa Coquillett, 1887 | |
| Exoprosopa dodrans Osten Sacken, 1877 | |
| Exoprosopa dodrina Curran, 1930 | |
| Exoprosopa dorcadion Osten Sacken, 1877 | |
| Exoprosopa doris Osten Sacken, 1877 | |
| Exoprosopa eremita Osten Sacken, 1877 | |
| Exoprosopa fascipennis Say, 1824 | |
| Exoprosopa jonesi Cresson, 1919 | |
| Exoprosopa junta Curran, 1930 | |
| Exoprosopa painterorum Johnson & Jo..., 1960 | Dry chickweed |
| Exoprosopa pallens (Bigot, 1892) | ⇒ Exoprosopa doris Osten Sacken, 1877 |
| Exoprosopa rostrifera Jaennicke, 1867 | Winkler cactus |
| Exoprosopa selenops Greathead, 2001 | |
| Exoprosopa sharonae Johnson & Jo..., 1959 | Fivestamen chickweed |
| Exoprosopa sima Osten Sacken, 1877 | |
| Exoprosopa titubans Osten Sacken, 1877 | |
| Exoprosopa utahensis Johnson & Jo..., 1959 | Fivestamen chickweed |
| Exoprosopa xanthina Painter, 1934 | |
| Exoprosopini miscella Coquillett, 1887 | |
| Exoprosopini sodom Williston, 1893 | |
| Geminaria canalis Coquillett, 1887 | |
| Geminaria pellucida Coquillett, 1894 | |
| Geron (Geron) balpi Evenhuis, 1979 | |
| Geron (Geron) cabon Evenhuis, 1979 | |
| Geron (Geron) chrysonotum Evenhuis, 1979 | |
| Geron (Geron) inflatus Evenhuis, 1979 | |
| Geron (Geron) karakara Evenhuis, 1979 | |
| Geron (Geron) prosopidis ♰ Hall & Evenhuis, 2003 | |
| Geron (Plichtamyia) westralicus Evenhuis, 1979 | |
| Geron aequalis Painter, 1932 | |
| Geron albidipennis Loew, 1869 | Juniper globemallow |
| Geron argutus Painter, 1932 | |
| Geron aridus Painter, 1932 | |
| Geron borealis Hall & Evenhuis, 2003 | |
| Geron cressoni Hall & Evenhuis, 2003 | |
| Geron digitarius Cresson, 1919 | |
| Geron elachys Hall & Evenhuis, 2003 | |
| Geron eriogonae Hall & Evenhuis, 2003 | |
| Geron hybus Coquillett, 1894 | |
| Geron infrequens Hall & Evenhuis, 2003 | |
| Geron monticola Hall & Evenhuis, 2003 | |
| Geron nevadensis Hall & Evenhuis, 2003 | |
| Geron nigripes Painter, 1932 | |
| Geron niveolus Evenhuis & G..., 1999 | |
| Geron niveus (Cresson, 1919) | ⇒ Geron niveolus Evenhuis & G..., 1999 |
| Geron nudus Painter, 1932 | |
| Geron orthoperus Hesse, 1938 | |
| Geron parvidus Painter, 1932 | |
| Geron peucon Hall & Evenhuis, 2003 | |
| Geron platysoma ♰ T. D. A. Coc..., 1915 | |
| Geron snowi Painter, 1932 | |
| Geron stenos Hall & Evenhuis, 2003 | |
| Geron winburni Painter, 1932 | |
| Geronites stigmalis Cockerell, 1915 | |
| Glabellula crassicornis Greene, 1924 | |
| Glabellula fasciata Melander, 1950 | Rape |
| Glabellula metatarsalis Melander, 1950 | Rape |
| Glabellula metatarsata | |
| Glabellula rotundipennis Melander, 1950 | Rape |
| Hemipenthes bigradatus Loew, 1869 | |
| Hemipenthes blanchardiana Jaennicke, 1867 | |
| Hemipenthes castanipes Bigot, 1892 | |
| Hemipenthes catulina Coquillett, 1894 | |
| Hemipenthes catulinus Coquillett, 1894 | |
| Hemipenthes celeris Wiedemann, 1828 | |
| Hemipenthes comanche Painter, 1962 | |
| Hemipenthes curta Loew, 1869 | |
| Hemipenthes curtus Loew, 1869 | |
| Hemipenthes edwardsii Coquillett, 1894 | |
| Hemipenthes eumenes Osten Sacken, 1887 | |
| Hemipenthes inops Coquillett, 1887 | |
| Hemipenthes jaennickeana Osten Sacken, 1886 | |
| Hemipenthes lepidota Osten Sacken, 1887 | |
| Hemipenthes maura Linnaeus, 1758 | |
| Hemipenthes mobile Coquillett, 1894 | |
| Hemipenthes morio Linnaeus, 1758 | Black Banded Bee Fly |
| Hemipenthes pullata Coquillett, 1894 | |
| Hemipenthes pullatus Coquillett, 1894 | |
| Hemipenthes seminiger Loew, 1869 | Juniper globemallow |
| Hemipenthes seminigra (Loew, 1869) | ⇒ Hemipenthes seminiger Loew, 1869 |
| Hemipenthes sinuosus Wiedemann, 1821 | |
| Hemipenthes webberi Johnson, 1919 | |
| Hemipenthes wilcoxi Painter, 1933 | |
| Heterostylum croceum Painter, 1930 | Hooker's cinquefoil |
| Heterostylum deani Painter, 1930 | Hooker's cinquefoil |
| Heterostylum engelhardti Painter, 1930 | Hooker's cinquefoil |
| Heterostylum robustum Osten Sacken, 1877 | Bomber Fly |
| Heterostylum robustus Osten Sacken, 1877 | |
| Inyo destractor Hall & Evenhuis, 1987 | |
| Inyo destructor Hall & Evenhuis, 1987 | Bigleaf magnolia |
| Kapu adelaidica Macquart, 1855 | |
| Kapu corusca Lambkin & Ye..., 2003 | |
| Kapu westralica Lambkin & Ye..., 2003 | |
| Lepidanthrax actios Hall, 1976 | |
| Lepidanthrax agrestis Coquillett, 1887 | |
| Lepidanthrax angulus Osten Sacken, 1886 | Kellogg's hawthorn |
| Lepidanthrax arnaudi Hall, 1976 | |
| Lepidanthrax borius Hall, 1976 | |
| Lepidanthrax campestris Coquillett, 1887 | |
| Lepidanthrax chalcus Hall, 1976 | |
| Lepidanthrax coquilletti Evenhuis & G..., 1999 | |
| Lepidanthrax diaeretus Hall, 1976 | |
| Lepidanthrax ellipus Hall, 1976 | |
| Lepidanthrax eremicus Hall, 1976 | |
| Lepidanthrax euthemus Hall, 1976 | |
| Lepidanthrax exallus Hall, 1976 | |
| Lepidanthrax hesperus Hall, 1976 | |
| Lepidanthrax homologus Hall, 1975 | |
| Lepidanthrax hypomelus Hall, 1976 | |
| Lepidanthrax lautus Coquillett, 1887 | |
| Lepidanthrax leucocephalus Hall, 1976 | |
| Lepidanthrax linsdalei Hall, 1976 | |
| Lepidanthrax lutzi Curran, 1930 | |
| Lepidanthrax meristus Hall, 1976 | |
| Lepidanthrax mimus Hall, 1976 | |
| Lepidanthrax oribates Hall, 1976 | |
| Lepidanthrax proboscideus Loew, 1869 | |
| Lepidanthrax rufolimbatus Bigot, 1892 | |
| Lepidanthrax symmachus Hall, 1976 | |
| Lepidanthrax utahensis Hall, 1976 | |
| Ligyra bombyliformis MacLeay, 1826 | |
| Ligyra calabyana Parmonov, 1967 | |
| Ligyra cingulata Wulp, 1885 | |
| Ligyra gazophylax Loew, 1869 | |
| Ligyra hemifusca Roberts, 1928 | |
| Ligyra pilad Paramonov, 1967 | |
| Ligyra robertsi Paramonov, 1967 | |
| Ligyra septentrionis Roberts, 1928 | |
| Ligyra sinuatifascia Macquart, 1855 | |
| Lithocosmus coquilletti Cockerell, 1909 | |
| Litorhina lar Fabricius, 1781 | |
| Lomatia erynnis Loew, 1869 | |
| Lordotus abdominalis Johnson & Jo..., 1959 | Fivestamen chickweed |
| Lordotus albidus Hall, 1954 | |
| Lordotus apicula Coquillett, 1887 | |
| Lordotus bipartitus Painter, 1940 | |
| Lordotus bucerus Coquillett, 1894 | |
| Lordotus cingulatus Johnson & Jo..., 1959 | Fivestamen chickweed |
| Lordotus diplasus Hall, 1954 | |
| Lordotus diversus Coquillett, 1891 | |
| Lordotus divisus Cresson, 1919 | |
| Lordotus ermae Hall, 1952 | |
| Lordotus gibbus Loew, 1863 | Copper mallow |
| Lordotus hurdi Hall, 1957 | Mountain soursop |
| Lordotus junceus Coquillett, 1891 | |
| Lordotus luteolus Hall, 1954 | |
| Lordotus miscellus Coquillett, 1887 | |
| Lordotus nevadensis Hall & Evenhuis, 1982 | Ashe's magnolia |
| Lordotus planus Osten Sacken, 1877 | |
| Lordotus puella Williston, 1893 | |
| Lordotus pulchrissimus Williston, 1893 | |
| Lordotus rufotibialis Johnson & Jo..., 1959 | Fivestamen chickweed |
| Lordotus schlingeri Hall & Evenhuis, 1982 | Ashe's magnolia |
| Lordotus sororculus Williston, 1893 | |
| Lordotus striatus Painter, 1940 | |
| Lordotus zona Coquillett, 1887 | |
| Mancia nana Coquillett, 1886 | |
| Maneia nana | |
| Megacosmus mirandus Cockerell, 1909 | |
| Megacosmus secundus Cockerell, 1911 | |
| Melanderella glossalis ♰ T. D. A. Coc..., 1909 | |
| Melanderella testea Melander, 1949 | |
| Meomyia albiceps Macquart, 1848 | |
| Meomyia fasciculata Macquart, 1840 | |
| Meomyia sericans Macquart, 1850 | |
| Meomyia tetratricha Walker, 1849 | |
| Metacosmus exilis Coquillett, 1891 | |
| Metacosmus nitidus Cole, 1923 | |
| Munjua erugata Lambkin & Ye..., 2003 | |
| Munjua lepidokingi Lambkin & Ye..., 2003 | |
| Munjua paralutea Lambkin & Ye..., 2003 | |
| Muwarna stellifera Walker, 1849 | |
| Muwarna vitreilinearis Lambkin & Ye..., 2003 | |
| Mythenteles propleuralis Melander, 1946 | |
| Mythenteles silus Evenhuis, 2003 | |
| Mythicomyia actites Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia actoni Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia acuta Melander, 1961 | Asian mustard |
| Mythicomyia agilis Melander, 1961 | Asian mustard |
| Mythicomyia annulata Melander, 1961 | Asian mustard |
| Mythicomyia anomala Melander, 1961 | Asian mustard |
| Mythicomyia antecessor Melander, 1961 | Asian mustard |
| Mythicomyia apricata Melander, 1961 | Asian mustard |
| Mythicomyia armata Cresson, 1915 | |
| Mythicomyia armipes Cresson, 1915 | |
| Mythicomyia aspilota (Hall & Evenhuis, 1986) | ⇒ Mythicomyia crocina Melander, 1961 |
| Mythicomyia atra Cresson, 1915 | |
| Mythicomyia atratella Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia aurifera Melander, 1961 | Asian mustard |
| Mythicomyia bella Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia bianca Tabet, 1986 | Citrus |
| Mythicomyia bivulneris Melander, 1961 | Asian mustard |
| Mythicomyia brevis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia bucinator Melander, 1961 | Asian mustard |
| Mythicomyia californica Greene, 1924 | |
| Mythicomyia caligula Melander, 1961 | Asian mustard |
| Mythicomyia callima Melander, 1961 | Asian mustard |
| Mythicomyia calva Melander, 1961 | Asian mustard |
| Mythicomyia campestris Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia candida Melander, 1961 | Santa Cruz star leaf |
| Mythicomyia carptura Melander, 1961 | Asian mustard |
| Mythicomyia cocollina Evenhuis, 2002 | |
| Mythicomyia communis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia compta Melander, 1961 | Asian mustard |
| Mythicomyia concinna Melander, 1961 | Asian mustard |
| Mythicomyia concrescens Melander, 1961 | Asian mustard |
| Mythicomyia cressoni Melander, 1961 | Asian mustard |
| Mythicomyia cristata Melander, 1961 | Asian mustard |
| Mythicomyia crocina Melander, 1961 | Asian mustard |
| Mythicomyia cylla Melander, 1961 | Asian mustard |
| Mythicomyia desertorum Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia diadela Melander, 1961 | Asian mustard |
| Mythicomyia diropeda Melander, 1961 | Asian mustard |
| Mythicomyia discreta Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia enoria Melander, 1961 | Asian mustard |
| Mythicomyia flaviventris Melander, 1961 | Asian mustard |
| Mythicomyia frontalia Melander, 1961 | Asian mustard |
| Mythicomyia galbea Melander, 1961 | Asian mustard |
| Mythicomyia gausa Melander, 1961 | Asian mustard |
| Mythicomyia gibbera Melander, 1961 | Asian mustard |
| Mythicomyia gracilis Melander, 1961 | Asian mustard |
| Mythicomyia gynandra Melander, 1961 | Asian mustard |
| Mythicomyia habra Melander, 1961 | Asian mustard |
| Mythicomyia hamata Melander, 1961 | Asian mustard |
| Mythicomyia hespera Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia hormatha Melander, 1961 | Asian mustard |
| Mythicomyia hybos Melander, 1961 | Asian mustard |
| Mythicomyia illustris Melander, 1961 | Asian mustard |
| Mythicomyia imbellis Melander, 1961 | Asian mustard |
| Mythicomyia indicata Melander, 1961 | Asian mustard |
| Mythicomyia insignis Melander, 1961 | Asian mustard |
| Mythicomyia intermedia Melander, 1961 | Asian mustard |
| Mythicomyia introrsa Melander, 1961 | Asian mustard |
| Mythicomyia irrupta Melander, 1961 | Asian mustard |
| Mythicomyia lenticularis Melander, 1961 | Asian mustard |
| Mythicomyia levigata Melander, 1961 | Asian mustard |
| Mythicomyia liticen Melander, 1961 | Asian mustard |
| Mythicomyia litoris Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia longimana Melander, 1961 | Asian mustard |
| Mythicomyia lucens Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia macclayi Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia macroglossa Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia marginata Melander, 1961 | Asian mustard |
| Mythicomyia minima Melander, 1961 | Asian mustard |
| Mythicomyia minuscula Melander, 1961 | Asian mustard |
| Mythicomyia mira Melander, 1961 | Asian mustard |
| Mythicomyia mirifica Melander, 1961 | Asian mustard |
| Mythicomyia mitrata Melander, 1961 | Asian mustard |
| Mythicomyia modesta Melander, 1961 | Asian mustard |
| Mythicomyia nevadensis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia nigricans Melander, 1961 | Asian mustard |
| Mythicomyia nitida Melander, 1961 | Asian mustard |
| Mythicomyia nitidula Melander, 1961 | Asian mustard |
| Mythicomyia ocreata Melander, 1961 | Asian mustard |
| Mythicomyia oporina Melander, 1961 | Asian mustard |
| Mythicomyia optata Melander, 1961 | Asian mustard |
| Mythicomyia orchestes Melander, 1961 | Asian mustard |
| Mythicomyia ornata Melander, 1961 | Asian mustard |
| Mythicomyia ornatula Melander, 1961 | Asian mustard |
| Mythicomyia pallida Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia parma Melander, 1961 | Asian mustard |
| Mythicomyia pedias Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia perlonga Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia petena Melander, 1961 | Asian mustard |
| Mythicomyia petiolata Melander, 1961 | Asian mustard |
| Mythicomyia phacodes Melander, 1961 | Asian mustard |
| Mythicomyia phalerata Melander, 1961 | Asian mustard |
| Mythicomyia pharetra Melander, 1961 | Asian mustard |
| Mythicomyia phormos | |
| Mythicomyia phormus Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia picta Melander, 1961 | Asian mustard |
| Mythicomyia platycheira Melander, 1961 | Asian mustard |
| Mythicomyia poliodes Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia polygena Melander, 1961 | Asian mustard |
| Mythicomyia polysperes Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia potrix Melander, 1961 | Asian mustard |
| Mythicomyia powelli Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia pravipes Melander, 1961 | Asian mustard |
| Mythicomyia pruinosa Melander, 1961 | Asian mustard |
| Mythicomyia pulla Melander, 1961 | Asian mustard |
| Mythicomyia pusilla Melander, 1961 | Asian mustard |
| Mythicomyia rhaeba Melander, 1961 | Asian mustard |
| Mythicomyia rileyi Coquillett, 1893 | |
| Mythicomyia robiginosa Melander, 1961 | Asian mustard |
| Mythicomyia salpinx Melander, 1961 | Asian mustard |
| Mythicomyia scapulata Melander, 1961 | Asian mustard |
| Mythicomyia schlingeri Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia scutellata Coquillett, 1902 | |
| Mythicomyia sorbens Melander, 1961 | Asian mustard |
| Mythicomyia sugens Melander, 1961 | Asian mustard |
| Mythicomyia tenthes Melander, 1961 | Asian mustard |
| Mythicomyia tibialis Coquillett, 1895 | |
| Mythicomyia timberlakei Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia torta Tabet & Hall, 1987 | Santa Cruz star leaf |
| Mythicomyia tortilis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia trifaria Melander, 1961 | Asian mustard |
| Mythicomyia triformis (Melander, 1961) | ⇒ Mythicomyia tibialis Coquillett, 1895 |
| Mythicomyia tristis Melander, 1961 | Asian mustard |
| Mythicomyia tumescens Melander, 1961 | Asian mustard |
| Mythicomyia uncata Melander, 1961 | Asian mustard |
| Mythicomyia vallis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia vestis Melander, 1961 | Asian mustard |
| Mythicomyia vilis Melander, 1961 | Asian mustard |
| Mythicomyia virgata Melander, 1961 | Asian mustard |
| Mythicomyia virgo Melander, 1961 | Asian mustard |
| Mythicomyia vulnerata Melander, 1961 | Asian mustard |
| Neacreotrichus diversa Coquillett, 1894 | |
| Neacreotrichus floralis Coquillett, 1894 | |
| Neacreotrichus humilis Osten Sacken, 1877 | |
| Neacreotrichus vittiventris Coquillett, 1904 | |
| Neacreotrichus vitttiventris Coquillett, 1904 | |
| Neodiplocampta caliginosa Tabet & Hall, 1987 | Santa Cruz star leaf |
| Neodiplocampta mira Coquillett, 1887 | |
| Neodiplocampta miranda Hull & Martin, 1974 | |
| Neodiplocampta mirella Hull & Martin, 1974 | |
| Neosardus cosmus Yeates, 1996 | |
| Neosardus elegans Yeates, 1996 | |
| Neosardus eremae Yeates, 1996 | |
| Neosardus fenestratus Yeates, 1996 | |
| Neosardus millstreamensis Yeates, 1996 | |
| Neosardus nigratus Roberts, 1929 | |
| Neosardus paramonovi Hull, 1973 | |
| Neosardus phaleratus Yeates, 1996 | |
| Neosardus principius Roberts, 1929 | |
| Neosardus rieki Yeates, 1996 | |
| Neosardus sparsus Yeates, 1996 | |
| Neosardus vicinus Yeates, 1996 | |
| Ngalki trigonum Lambkin & Ye..., 2003 | |
| Notolomatia melanoloma Hesse, 1956 | |
| Oestranthrax farinosus Johnson & Ma..., 1953 | Texas chickweed |
| Oligodranes anthonomus (Melander, 1946) | ⇒ Apolysis anthonoma Melander, 1946 |
| Oligodranes humbug (Evenhuis, 1985) | ⇒ Apolysis humbug Evenhuis, 1985 |
| Oligodranes neuter (Melander, 1946) | ⇒ Apolysis neuter Melander, 1946 |
| Oncodosia ampla Walker, 1852 | |
| Oncodosia patula Walker, 1849 | |
| Oncodosia plana Walker, 1849 | |
| Oncodosia triangularis Yeates, 1988 | |
| Pachysystropus condemnatus ♰ T. D. A. Coc..., 1910 | |
| Pachysystropus rohweri ♰ Cockerell, 1909 | |
| Palrika basilikos Lambkin & Ye..., 2003 | |
| Palrika bouchardi Lambkin & Ye..., 2003 | |
| Palrika cyanea Lambkin & Ye..., 2003 | |
| Palrika marginicollis Gray, 1832 | |
| Palrika whyalla Lambkin & Ye..., 2003 | |
| Pantarbes capito Osten Sacken, 1877 | |
| Pantarbes earinus Hall & Evenhuis, 1984 | Fraser's magnolia |
| Pantarbes megistus Hall & Evenhuis, 1984 | Fraser's magnolia |
| Pantarbes pusio Osten Sacken, 1887 | |
| Pantarbes scinax Hall & Evenhuis, 1984 | Fraser's magnolia |
| Paraconsors (Elachymyia) humeralis Melander, 1946 | |
| Paraconsors (Paraconsors) aperta Melander, 1961 | |
| Paraconsors (Paraconsors) cooperi Hall & Evenhuis, 1987 | Bigleaf magnolia |
| Paraconsors (Paraconsors) napaea Melander, 1961 | |
| Paraconsors (Paraconsors) scutellaris Melander, 1946 | |
| Paraconsors flavifrons Melander, 1950 | |
| Paracosmus (Paracosmus) antiquus ♰ T. D. A. Coc..., 1914 | |
| Paracosmus (Paracosmus) coquilletti ♰ T. D. A. Coc..., 1909 | |
| Paracosmus (Paracosmus) palpalis ♰ T. D. A. Coc..., 1914 | |
| Paracosmus (Paracosmus) recurrens ♰ T. D. A. Coc..., 1916 | |
| Paracosmus edwardsii Loew, 1872 | |
| Paracosmus insolens Coquillett, 1891 | |
| Paracosmus rubicundus Melander, 1950 | Rape |
| Paracosmus similis Hall, 1957 | Mountain soursop |
| Paradiplocampta tabeti Hall, 1975 | |
| Paravilla albata Hall, 1981 | Woolly pawpaw |
| Paravilla apicola Cole, 1952 | |
| Paravilla aridula Hall, 1981 | Woolly pawpaw |
| Paravilla californica Hall, 1981 | Woolly pawpaw |
| Paravilla castanea Jaennicke, 1867 | |
| Paravilla cinerea Cole, 1923 | |
| Paravilla diagonalis Loew, 1869 | |
| Paravilla editioides Painter, 1933 | |
| Paravilla emulata Painter, 1962 | |
| Paravilla extremitis Coquillett, 1902 | |
| Paravilla fulvicoma Coquillett, 1887 | |
| Paravilla fumida Coquillett, 1887 | |
| Paravilla fumosa Hall, 1981 | Woolly pawpaw |
| Paravilla imitans Hall, 1981 | Woolly pawpaw |
| Paravilla lacunaris Coquillett, 1892 | |
| Paravilla mercedis Coquillett, 1887 | |
| Paravilla montivaga Hall, 1981 | Woolly pawpaw |
| Paravilla nigrofemorata Hall, 1981 | Woolly pawpaw |
| Paravilla nigronasica Painter, 1933 | |
| Paravilla painterorum Hall, 1981 | Woolly pawpaw |
| Paravilla palliata Loew, 1869 | |
| Paravilla perplexa Coquillett, 1887 | |
| Paravilla separata Walker, 1852 | Paravilla Separata |
| Paravilla spaldingi Painter, 1933 | |
| Paravilla splendida Hall, 1981 | Woolly pawpaw |
| Paravilla syrtis Coquillett, 1887 | |
| Paravilla tricellula Cole, 1952 | |
| Paravilla vigilans Coquillett, 1887 | |
| Phthiria aldrichi (Johnson, 1903) | ⇒ Tmemophlebia aldrichi Johnson, 1903 |
| Phthiria fossa ♰ S. E. Lewis, 1975 | |
| Phthiria notata (Loew, 1863) | ⇒ Phthiria umbripennis Loew, 1846 |
| Phthiria scolpax Osten Sacken, 1877 | |
| Pieza angusta Melander, 1961 | |
| Pieza minuta Greene, 1924 | |
| Pieza ostenta Melander, 1961 | |
| Pilosia flavopilosa Hull, 1973 | |
| Pilosia immutata Walker, 1849 | |
| Poecilanthrax alcyon Say, 1824 | |
| Poecilanthrax alpha Osten Sacken, 1877 | |
| Poecilanthrax arethusa Osten Sacken, 1886 | |
| Poecilanthrax autumnalis Cole, 1917 | |
| Poecilanthrax brachypus Calderwood, 1995 | |
| Poecilanthrax californicus Cole, 1917 | |
| Poecilanthrax colei Johnson & Jo..., 1957 | Regel's chickweed |
| Poecilanthrax effrenus Coquillett, 1887 | |
| Poecilanthrax eremicus Painter & Hall, 1960 | Cream avens |
| Poecilanthrax fuliginosus Loew, 1869 | |
| Poecilanthrax interruptus (Painter & Hall, 1960) | ⇒ Poecilanthrax poecilogaster Osten Sacken, 1886 |
| Poecilanthrax johnsonorum Painter & Hall, 1960 | Cream avens |
| Poecilanthrax litoralis Painter & Hall, 1960 | Cream avens |
| Poecilanthrax lucifer Fabricius, 1775 | |
| Poecilanthrax marmoreus Johnson & Jo..., 1957 | Regel's chickweed |
| Poecilanthrax moffitti Painter & Hall, 1960 | Cream avens |
| Poecilanthrax montanus Painter & Hall, 1960 | Cream avens |
| Poecilanthrax monticola (Johnson & Jo..., 1957) | ⇒ Poecilanthrax sackenii Coquillett, 1887 |
| Poecilanthrax painteri Maughan, 1935 | Divided rockcress |
| Poecilanthrax pallidifrons (Evenhuis, 1977) | ⇒ Poecilanthrax moffitti Painter & Hall, 1960 |
| Poecilanthrax pilosus Cole, 1917 | |
| Poecilanthrax poecilogaster Osten Sacken, 1886 | |
| Poecilanthrax robustus Johnson & Jo..., 1957 | Regel's chickweed |
| Poecilanthrax sackenii Coquillett, 1887 | |
| Poecilanthrax signatipennis Cole, 1917 | |
| Poecilanthrax tanbarkensis Painter & Hall, 1960 | Cream avens |
| Poecilanthrax tegminipennis Say, 1824 | |
| Poecilanthrax varius Painter & Hall, 1960 | Cream avens |
| Poecilanthrax willistoni Coquillett, 1887 | Sand dune bee fly |
| Poecilanthrax zionensis Johnson & Jo..., 1957 | Regel's chickweed |
| Poecilognathus relativitae Evenhuis, 1985 | |
| Poecilognathus stigmalis ♰ T. D. A. Coc..., 1914 | |
| Prorates arctos Hall, 1972 | |
| Prorates ballmeri Nagatomi & Liu, 1994 | |
| Prorates boydi Hall, 1972 | |
| Prorates claripennis Melander, 1906 | Common sandweed |
| Prorates frommeri Hall, 1972 | |
| Prorates melanderi Hall, 1972 | |
| Prorates nigrescens Hall, 1972 | |
| Protepacmus setosus Cockerell, 1916 | |
| Protolomatia recurrens Cockerell, 1916 | |
| Protophthiria atra Melander, 1949 | |
| Protophthiria palpalis Cockerell, 1914 | |
| Pseudopenthes fenestrata Roberts, 1928 | |
| Pseudopenthes hesperis Lambkin & Ye..., 2003 | |
| Rhabdopselaphus mus (Bigot, 1886) | ⇒ Apolysis mus Bigot, 1886 |
| Rhynchanthrax capreus Coquillett, 1887 | |
| Satyramoeba hetrusca Fabricius, 1794 | |
| Sisyromyia albavitta Macquart, 1850 | |
| Sisyromyia aurata Walker, 1849 | Sisyromyia Aurata |
| Sisyromyia decorata Walker, 1849 | |
| Sisyromyia limbata Bigot, 1892 | |
| Sparnopolius anomalus Painter, 1940 | |
| Sparnopolius coloradensis Grote, 1867 | Sensitive fern |
| Sparnopolius confusus Wiedemann, 1824 | |
| Spogostylum delila Loew, 1869 | |
| Spogostylus vandykei | |
| Staurostichus distinctus Walker, 1852 | |
| Staurostichus nigracinctus Roberts, 1929 | |
| Staurostichus primogenitus Walker, 1849 | |
| Staurostichus walkeri Evenhuis, 1978 | |
| Systoechus fumipennis Painter, 1962 | |
| Systoechus oreas Osten Sacken, 1877 | |
| Systoechus vulgaris Loew, 1863 | Copper mallow |
| Thevenemyia auripilus Bigot, 1892 | |
| Thevenemyia melanderi Hall, 1969 | |
| Thevenemyia notata Hall, 1969 | |
| Thevenemyia phalantha Hall, 1969 | |
| Thevenetimyia (Thevenetimyia) californica Bigot, 1875 | |
| Thevenetimyia (Thevenetimyia) melanopogon (Bigot, 1892) | ⇒ Thevenemyia magnus Osten Sacken, 1877 |
| Thevenetimyia affinis Hall, 1969 | |
| Thevenetimyia celer Cole & Lovett, 1919 | |
| Thevenetimyia intermedia Hall, 1969 | |
| Thevenetimyia lactifer Osten Sacken, 1877 | |
| Thevenetimyia lanigera Cresson, 1919 | |
| Thevenetimyia longipalpus Hardy, 1921 | |
| Thevenetimyia lotus Williston, 1893 | |
| Thevenetimyia luctifera Osten Sacken, 1877 | |
| Thevenetimyia magna Osten Sacken, 1877 | |
| Thevenetimyia marginata Osten Sacken, 1877 | |
| Thevenetimyia melanderi Hall, 1969 | |
| Thevenetimyia muricata Osten Sacken, 1877 | |
| Thevenetimyia notata Hall, 1969 | |
| Thevenetimyia phalantha Hall, 1969 | |
| Thevenetimyia tridentata Hull, 1966 | |
| Thlipsogaster syndemus | |
| Thraxan cinctus Yeates & Lam..., 1998 | |
| Thraxan cornuatus Yeates & Lam..., 1998 | |
| Thraxan echinatus Yeates & Lam..., 1998 | |
| Thraxan emicatus Yeates & Lam..., 1998 | |
| Thraxan luteus Yeates & Lam..., 1998 | |
| Thraxan misatulus Yeates & Lam..., 1998 | |
| Thraxan norrisi Yeates & Lam..., 1998 | |
| Thraxan planus Yeates & Lam..., 1998 | |
| Thyridanthrax andrewsi Hall, 1970 | |
| Thyridanthrax atratus | |
| Thyridanthrax bifenestrata Bigot, 1892 | |
| Thyridanthrax fenestratoides Coquillett, 1892 | |
| Thyridanthrax luminis Hall, 1970 | |
| Thyridanthrax luminus Hall, 1970 | |
| Thyridanthrax melanoptera Hall, 1975 | |
| Thyridanthrax nugator Coquillett, 1887 | |
| Thyridanthrax pallidus Coquillett, 1887 | |
| Thyridanthrax utahensis Maughan, 1935 | |
| Tithonomyia atra ♰ A. L. Melander, 1949 | |
| Tmemophlebia psammonoma Hall & Evenhuis, 2004 | |
| Toxophora gittinsi Tabet, 2001 | |
| Toxophora maxima Coquillett, 1886 | |
| Toxophora pellucida Coquillett, 1886 | |
| Toxophora vasta Coquillett, 1891 | |
| Toxophora virgata Osten Sacken, 1877 | |
| Triploechus laticeps Bigot, 1892 | |
| Triploechus luridus Hall, 1975 | |
| Triploechus novus Williston, 1893 | |
| Triploechus sackeni Williston, 1893 | |
| Verrallites cladurus ♰ T. D. A. Coc..., 1913 | |
| Villa aenea Coquillett, 1887 | |
| Villa agrippina Osten Sacken, 1887 | |
| Villa alternata Say, 1823 | |
| Villa angularis Thomson, 1869 | |
| Villa arenicola (Johnson, 1908) | ⇒ Villa psammina Cole, 1960 |
| Villa atra (Painter, 1926) | ⇒ Villa lateralis Say, 1823 |
| Villa chromolepida Cole, 1923 | |
| Villa consessor Coquillett, 1887 | |
| Villa edititoides (Painter, 1933) | ⇒ Paravilla edititoides Painter, 1933 |
| Villa fissa Bigot, 1892 | |
| Villa flavocostalis Painter, 1926 | |
| Villa fulviana Say, 1824 | Tawny-tailed Bee Fly |
| Villa gemella Coquillett, 1892 | |
| Villa harveyi Hine, 1904 | |
| Villa hermannloewi Evenhuis & G..., 1999 | |
| Villa lateralis Say, 1823 | |
| Villa miscella Coquillett, 1887 | |
| Villa molitor Loew, 1869 | |
| Villa myximyia Evenhuis, 1978 | |
| Villa nebulo Coquillett, 1887 | |
| Villa nigra (Cresson, 1916) | ⇒ Villa lateralis Say, 1823 |
| Villa nigricauda Loew, 1869 | |
| Villa nivea Cole, 1923 | |
| Villa pretiosa Coquillett, 1887 | |
| Villa psammina Cole, 1960 | |
| Villa resurgens Walker, 1849 | |
| Villa semifulvipes (Painter, 1962) | ⇒ Villa lateralis Say, 1823 |
| Villa setosa ♰ T. D. A. Coc..., 1916 | |
| Villa sini Cole, 1923 | |
| Villa squamigera Coquillett, 1892 | |
| Villa supina Coquillett, 1887 | |
| Villa terrena Coquillett, 1892 | |
| Villa vacans Coquillett, 1887 | |
| Villa vitrea Walker, 1852 | |
| Wurda emu Lambkin & Ye..., 2003 | |
| Wurda impatientis Lambkin & Ye..., 2003 | |
| Wurda montebelloensis Lambkin & Ye..., 2003 | |
| Wurda norrisi Lambkin & Ye..., 2003 | |
| Wurda skevingtoni Lambkin & Ye..., 2003 | |
| Wurda windorah Lambkin & Ye..., 2003 | |
| Wurda wyperfeldensis Lambkin & Ye..., 2003 | |
| Xenox delila Loew, 1869 | |
| Xenox habrosus Marston, 1970 | |
| Xenox tigrinus De Geer, 1776 | Tiger Bee Fly |
| Ylasoia secunda ♰ T. D. A. Coc..., 1911 | |
| Zaclava occidentis Roberts, 1929 | |
