| Acreophthiria egermians Loew, 1872 | |
| Acreophthiria egerminans Loew, 1872 | |
| Acreotrichus similis | |
| Amphicosmus cincturus Williston, 1901 | Tansyleaf lidpod |
| Amphicosmus elegans Coquillett, 1891 | |
| Amphicosmus vanduzeei Cole, 1923 | |
| Anastoechus barbatus Osten Sacken, 1877 | |
| Anastoechus leucothrix Hall & Evenhuis, 1981 | Cucumber-tree |
| Anthrax agrippina (Osten Sacken, 1887) | ⇒ Villa agrippina Osten Sacken, 1887 |
| Anthrax albofasciatus Macquart, 1840 | |
| Anthrax analis (Say, 1823) | ⇒ Anthrax albofasciatus Macquart, 1840 |
| Anthrax argentatus Cole, 1919 | |
| Anthrax atriplex Marston, 1970 | |
| Anthrax aureosquamosus Marston, 1963 | Bladderpod spiderflower |
| Anthrax bigradata (Loew, 1869) | ⇒ Hemipenthes bigradatus Loew, 1869 |
| Anthrax cascadensis (Marston, 1963) | ⇒ Anthrax albofasciatus Macquart, 1840 |
| Anthrax chaparralus (Marston, 1963) | ⇒ Anthrax aureosquamosus Marston, 1963 |
| Anthrax cintalapa Cole, 1957 | |
| Anthrax crocina (Coquillett, 1892) | ⇒ Chrysanthrax crocinus Coquillett, 1892 |
| Anthrax cunicula (Osten Sacken, 1886) | ⇒ Paravilla cunicula Osten Sacken, 1886 |
| Anthrax daphne Osten Sacken, 1886 | |
| Anthrax decisus Bezzi, 1924 | |
| Anthrax eumenes (Osten Sacken, 1887) | ⇒ Hemipenthes eumenes Osten Sacken, 1887 |
| Anthrax fenestratoides (Coquillett, 1892) | ⇒ Thyridanthrax fenestratoides Coquillett, 1892 |
| Anthrax hircina (Coquillett, 1892) | ⇒ Chrysanthrax hircinus Coquillett, 1892 |
| 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 marstoni Evenhuis & G..., 1999 | |
| Anthrax melanopogon Bigot, 1892 | |
| 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 sodom (Williston, 1893) | ⇒ Exoprosopini sodom Williston, 1893 |
| Anthrax squamigera (Coquillett, 1892) | ⇒ Villa squamigera Coquillett, 1892 |
| Anthrax syrtis (Coquillett, 1887) | ⇒ Paravilla syrtis Coquillett, 1887 |
| 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 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 mus Osten Sacken, 1877 | |
| Aphoebantus nigropilosus Tabet & Hall, 1987 | Santa Cruz star leaf |
| Aphoebantus oxypetes Tabet & Hall, 1987 | Santa Cruz star leaf |
| 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 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 lasius Melander, 1946 | |
| Apolysis longirostris Melander, 1946 | |
| Apolysis loricata Melander, 1946 | |
| Apolysis lugens Melander, 1946 | |
| Apolysis maculata Melander, 1946 | |
| Apolysis matutina Melander, 1946 | |
| Apolysis melanderella Evenhuis, 1990 | |
| Apolysis minutissima Melander, 1946 | |
| Apolysis mohavea Melander, 1946 | |
| Apolysis montana (Melander, 1946) | ⇒ Apolysis zaitzevi Evenhuis, 1990 |
| Apolysis mus Bigot, 1886 | |
| Apolysis nigricans Tabet & Hall, 1987 | |
| Apolysis pannea Melander, 1946 | |
| Apolysis petiolata Melander, 1946 | |
| Apolysis polius Melander, 1946 | |
| Apolysis pulchra Melander, 1946 | |
| Apolysis pullata Melander, 1946 | |
| 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 |
| Apystomyia elinguis Melander, 1950 | Rape |
| Argyramoeba cybele (Coquillett, 1894) | ⇒ Anthrax cybele Coquillett, 1894 |
| Argyromoeba delila Loew, 1869 | |
| 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 altimyia Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius anthophoroides Evenhuis, 1977 | Imbricate lorentziella moss |
| 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 japygus Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius lassenensis Johnson & Jo..., 1965 | Pretty cinquefoil |
| Bombylius metopium Osten Sacken, 1877 | |
| Bombylius nicholsonae Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius plichtai Hall & Evenhuis, 1980 | Laurier doux |
| Bombylius sierra Evenhuis & G..., 1999 | |
| Bombylius syndesmus Coquillett, 1894 | |
| Bombylius vallicola Evenhuis & T..., 1981 | |
| Bombylius zephyr Evenhuis & G..., 1999 | |
| Brachyanax hemipenthes Evenhuis, 1988 | |
| Chrysanthrax adumbrata Coquillett, 1887 | |
| Chrysanthrax adumbratus Coquillett, 1887 | |
| Chrysanthrax albicomus Tabet & Hall, 1987 | Santa Cruz star leaf |
| 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 mallota Yeates, 1991 | |
| Conophorus atratulus Loew, 1872 | |
| Conophorus auratus Priddy, 1954 | Gibbs' milkvetch |
| Conophorus collini Priddy, 1958 | Giant 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 |
| Desmatomyia anomala Williston, 1895 | Spanish arborvine |
| Desmatoneura argentifrons Williston, 1895 | Spanish arborvine |
| Dicranoclista vandykei Coquillett, 1894 | |
| Diochanthrax morulus Hall, 1975 | |
| Dipalta serpentina Osten Sacken, 1877 | |
| Elegans elegans | |
| Epacmus connectens Melander, 1950 | Rape |
| Epacmus litus Coquillett, 1886 | |
| Epacmus nebritis Coquillett, 1894 | |
| Epacmus nebritus Coquillett, 1894 | |
| Epacmus nitidus Cole, 1921 | |
| Epacmus tomentosus Melander, 1950 | Rape |
| Eucessia rubens Coquillett, 1886 | |
| Exepacmus johnsoni Coquillett, 1894 | |
| Exoprosopa agassizii Loew, 1869 | Juniper globemallow |
| Exoprosopa bifurca Loew, 1869 | Juniper globemallow |
| Exoprosopa californiae Walker, 1852 | |
| Exoprosopa caliptera Say, 1823 | |
| Exoprosopa celer Cole, 1916 | |
| Exoprosopa divisa Coquillett, 1887 | |
| Exoprosopa dorcadion Osten Sacken, 1877 | |
| Exoprosopa doris Osten Sacken, 1877 | |
| Exoprosopa eremita Osten Sacken, 1877 | |
| Exoprosopa fascipennis Say, 1824 | |
| Exoprosopa jonesi Cresson, 1919 | |
| 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 xanthina Painter, 1934 | |
| Exoprosopini sodom Williston, 1893 | |
| Geminaria canalis Coquillett, 1887 | |
| Geminaria pellucida Coquillett, 1894 | |
| Geron (Geron) prosopidis ♰ Hall & Evenhuis, 2003 | |
| Geron aequalis Painter, 1932 | |
| Geron albidipennis Loew, 1869 | Juniper globemallow |
| Geron argutus Painter, 1932 | |
| 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 niveolus Evenhuis & G..., 1999 | |
| Geron niveus (Cresson, 1919) | ⇒ Geron niveolus Evenhuis & G..., 1999 |
| Geron parvidus Painter, 1932 | |
| Geron peucon Hall & Evenhuis, 2003 | |
| Geron stenos Hall & Evenhuis, 2003 | |
| Geron winburni Painter, 1932 | |
| 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 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 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 sinuosus Wiedemann, 1821 | |
| Hemipenthes wilcoxi Painter, 1933 | |
| 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 |
| 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 lutzi Curran, 1930 | |
| Lepidanthrax meristus Hall, 1976 | |
| Lepidanthrax mimus Hall, 1976 | |
| Lepidanthrax oribates Hall, 1976 | |
| Lepidanthrax rufolimbatus Bigot, 1892 | |
| Lepidanthrax symmachus Hall, 1976 | |
| Ligyra gazophylax Loew, 1869 | |
| Lomatia erynnis Loew, 1869 | |
| 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 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 | |
| Metacosmus exilis Coquillett, 1891 | |
| Metacosmus nitidus Cole, 1923 | |
| 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 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 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 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 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 pharetra Melander, 1961 | Asian mustard |
| Mythicomyia phormos | |
| Mythicomyia phormus Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia picta Melander, 1961 | Asian mustard |
| Mythicomyia poliodes Hall & Evenhuis, 1986 | Bull-bay |
| 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 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 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 vilis Melander, 1961 | Asian mustard |
| Mythicomyia virgata Melander, 1961 | Asian mustard |
| Mythicomyia vulnerata Melander, 1961 | Asian mustard |
| Neacreotrichus diversa Coquillett, 1894 | |
| Neacreotrichus floralis Coquillett, 1894 | |
| Neacreotrichus humilis Osten Sacken, 1877 | |
| 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 | |
| Oligodranes anthonomus (Melander, 1946) | ⇒ Apolysis anthonoma Melander, 1946 |
| Oligodranes humbug (Evenhuis, 1985) | ⇒ Apolysis humbug Evenhuis, 1985 |
| Oligodranes neuter (Melander, 1946) | ⇒ Apolysis neuter Melander, 1946 |
| 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 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 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 perplexa Coquillett, 1887 | |
| Paravilla spaldingi Painter, 1933 | |
| Paravilla splendida Hall, 1981 | Woolly pawpaw |
| Paravilla syrtis Coquillett, 1887 | |
| Paravilla tricellula Cole, 1952 | |
| Paravilla vigilans Coquillett, 1887 | |
| Phthiria notata (Loew, 1863) | ⇒ Phthiria umbripennis Loew, 1846 |
| Pieza angusta Melander, 1961 | |
| Pieza minuta Greene, 1924 | |
| Pieza ostenta Melander, 1961 | |
| 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 litoralis Painter & Hall, 1960 | Cream avens |
| Poecilanthrax lucifer Fabricius, 1775 | |
| Poecilanthrax moffitti Painter & Hall, 1960 | Cream avens |
| Poecilanthrax montanus Painter & Hall, 1960 | Cream avens |
| 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 |
| Poecilognathus relativitae Evenhuis, 1985 | |
| 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 | |
| Rhabdopselaphus mus (Bigot, 1886) | ⇒ Apolysis mus Bigot, 1886 |
| Rhynchanthrax capreus Coquillett, 1887 | |
| Satyramoeba hetrusca Fabricius, 1794 | |
| Sparnopolius anomalus Painter, 1940 | |
| Sparnopolius confusus Wiedemann, 1824 | |
| Spogostylum delila Loew, 1869 | |
| Spogostylus vandykei | |
| Systoechus oreas Osten Sacken, 1877 | |
| Systoechus vulgaris Loew, 1863 | Copper mallow |
| Thevenemyia notata Hall, 1969 | |
| Thevenetimyia (Thevenetimyia) californica Bigot, 1875 | |
| Thevenetimyia affinis Hall, 1969 | |
| Thevenetimyia celer Cole & Lovett, 1919 | |
| Thevenetimyia lactifer Osten Sacken, 1877 | |
| Thevenetimyia lanigera Cresson, 1919 | |
| 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 | |
| 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 | |
| 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 | |
| Villa aenea Coquillett, 1887 | |
| Villa agrippina Osten Sacken, 1887 | |
| Villa chromolepida Cole, 1923 | |
| Villa consessor Coquillett, 1887 | |
| Villa edititoides (Painter, 1933) | ⇒ Paravilla edititoides Painter, 1933 |
| Villa fulviana Say, 1824 | Tawny-tailed Bee Fly |
| Villa gemella Coquillett, 1892 | |
| Villa lateralis Say, 1823 | |
| Villa molitor Loew, 1869 | |
| Villa myximyia Evenhuis, 1978 | |
| Villa nivea Cole, 1923 | |
| Villa pretiosa Coquillett, 1887 | |
| Villa semifulvipes (Painter, 1962) | ⇒ Villa lateralis Say, 1823 |
| Villa sini Cole, 1923 | |
| Villa squamigera Coquillett, 1892 | |
| Villa supina Coquillett, 1887 | |
| Villa terrena Coquillett, 1892 | |
| Xenox delila Loew, 1869 | |
| Xenox habrosus Marston, 1970 | |
