| Ablautus arnaudi Wilcox, 1966 | Smartweed dodder |
| Ablautus basini Wilcox, 1966 | Smartweed dodder |
| Ablautus californicus Wilcox, 1935 | Harper's dodder |
| Ablautus coachellus Wilcox, 1966 | Smartweed dodder |
| Ablautus colei Wilcox, 1966 | Smartweed dodder |
| Ablautus coquilletti Wilcox, 1935 | Harper's dodder |
| Ablautus flavipes Coquillett, 1904 | |
| Ablautus linsleyi Wilcox, 1966 | Smartweed dodder |
| Ablautus mimus Osten Sacken, 1877 | |
| Ablautus mimus mimus | |
| Ablautus mimus squamipes | |
| Ablautus rubens (Coquillett, 1904) | ⇒ Parataracticus rubens Coquillett, 1904 |
| Ablautus rufotibialis Back, 1909 | |
| Ablautus schlingeri Wilcox, 1966 | Smartweed dodder |
| Ablautus squamipes (Osten Sacken, 1924) | ⇒ Ablautus mimus Osten Sacken, 1877 |
| Ablautus trifarius Loew, 1866 | Scarlet globemallow |
| Ablautus vanduzeei Wilcox, 1935 | Harper's dodder |
| Afromochtherus megastylus Londt, 2002 | |
| Albibarbefferia albibarbis Macquart, 1838 | |
| Albibarbefferia armatus Hine, 1918 | |
| Albibarbefferia bicolor Bellardi, 1861 | |
| Albibarbefferia duncani Wilcox, 1966 | |
| Albibarbefferia grandis Hine, 1919 | |
| Albibarbefferia incognita Forbes, 1987 | |
| Albibarbefferia leucocomus Williston, 1885 | |
| Albibarbefferia neosimilis Forbes, 1987 | |
| Albibarbefferia peralta Wilcox, 1966 | |
| Albibarbefferia tagax Williston, 1885 | |
| Albibarbefferia vertebrata Bromley, 1940 | |
| Albibarbefferia zonata Hine, 1919 | |
| Allopogon villosa (Horn, 1880) | ⇒ Allopogonia villosa G. Horn, 1880 |
| Amathomyia antennata Banks, 1920 | |
| Amblyonychus trapezoidalis Bellardi, 1861 | |
| Amphisbetetus norrisi Paramonov, 1966 | |
| Amphisbetetus primus Paramonov, 1966 | |
| Amphisbetetus westralicus Paramonov, 1966 | |
| Ampyx americanus | |
| Andrenosoma bayardi Seguy, 1952 | |
| Andrenosoma cinerea Bellardi, 1861 | |
| Andrenosoma corallia Martin, 1966 | |
| Andrenosoma corallium Martin, 1966 | Twisted cleomella |
| Andrenosoma cruentum Mcatee, 1919 | |
| Andrenosoma dayi Paramonov, 1958 | |
| Andrenosoma erax Bromley, 1934 | |
| Andrenosoma erythrogaster Wiedemann, 1828 | |
| Andrenosoma fulvicaudum Say, 1823 | |
| Andrenosoma hesperium Martin, 1966 | Twisted cleomella |
| Andrenosoma igneum Bromley, 1929 | |
| Andrenosoma sarcophaga Hermann, 1912 | |
| Andrenosoma sicarium Mcatee, 1919 | |
| Andrenosoma xanthocnema Wiedemann, 1828 | |
| Andrenosoma xanthocnemum Wiedemann, 1828 | |
| Aneomochtherus acratus acratus Lacordaire, 1866 | |
| Anisopogon johnsoni (Back, 1904) | ⇒ Heteropogon johnsoni Back, 1904 |
| Anisopogon ludius (Coquillett, 1893) | ⇒ Heteropogon ludius Coquillett, 1893 |
| Anisopogon rubidus (Coquillett, 1893) | ⇒ Heteropogon rubidus Coquillett, 1893 |
| Apachekolos confusio Martin, 1957 | MacBride cleomella |
| Apachekolos crinita Martin, 1957 | MacBride cleomella |
| Apachekolos scapularis Bigot, 1878 | |
| Apachekolos tenuipes Loew, 1862 | |
| Apachekolos weslacensis Bromley, 1951 | |
| Aplestobroma avidum Hull, 1958 | |
| Apoclea conicera Loew, 1856 | |
| Aporema praestrictum ♰ S. H. Scudder, 1890 | |
| Archilestes californica (McLachlan, 1895) | ⇒ Archilestes californicus McLachlan, 1895 |
| Archilestes californicus McLachlan, 1895 | California Spreadwing |
| Archilestes grandis Rambur, 1942 | Great Spreadwing |
| Archilestris magnificus Walker, 1854 | |
| Aridefferia apache Wilcox, 1966 | |
| Aridefferia arida Williston, 1893 | |
| Aridefferia basingeri Wilcox, 1966 | |
| Aridefferia coulei Wilcox, 1966 | |
| Aridefferia cuervana Hardy, 1943 | |
| Aridefferia harveyi Hine, 1919 | |
| Aridefferia pinali Wilcox, 1966 | |
| Aridefferia prattii Hine, 1919 | |
| Aridefferia snowi Hine, 1919 | |
| Aridefferia subarida Bromley, 1940 | |
| Aridefferia subpilosa Schaeffer, 1916 | |
| Aridefferia tolandi Wilcox, 1966 | |
| Asilopsis fuscula Cockerell, 1920 | |
| Asilopsis fusculus ♰ T. D. A. Coc..., 1921 | |
| Asilus albicomus (Hine, 1909) | ⇒ Neomochtherus albicomus Hine, 1909 |
| Asilus amelanchieris ♰ Cockerell, 1911 | |
| Asilus angustipennis (Hine, 1909) | ⇒ Neomochtherus angustipennis Hine, 1909 |
| Asilus annulatus (Fabricius, 1775) | ⇒ Epitriptus cingulatus Fabricius, 1781 |
| Asilus antimachus (Walker, 1849) | ⇒ Machimus antimachus Walker, 1849 |
| Asilus arizonensis (Hine, not Wi..., 1909) | ⇒ Philonicus arizonensis Williston, 1893 |
| Asilus astutus (Williston, 1893) | ⇒ Negasilus astutus Williston, 1893 |
| Asilus auricomus (Hine, 1909) | ⇒ Neomochtherus auricomus Hine, 1909 |
| Asilus autumnalis (Banks, 1914) | ⇒ Machimus autumnalis Banks, 1914 |
| Asilus barbarus Linnaeus, 1758 | |
| Asilus blantoni (Bromley, 1940) | ⇒ Machimus blantoni Bromley, 1940 |
| Asilus brevicomus (Hine, 1909) | ⇒ Neoitamus brevicomus Hine, 1909 |
| Asilus cacopilogus (Hine, 1909) | ⇒ Proctacanthella cacopiloga Hine, 1909 |
| Asilus californicus (Hine, 1909) | ⇒ Neomochtherus californicus Hine, 1909 |
| Asilus callidus (Williston, 1893) | ⇒ Machimus callidus Williston, 1893 |
| Asilus carolinae (Martin & Wilcox, 1965) | ⇒ Machimus carolinae Martin & Wilcox, 1965 |
| Asilus citus (Hine, 1918) | ⇒ Machimus citus Hine, 1918 |
| Asilus comosus (Hine, 1918) | ⇒ Neomochtherus comosus Hine, 1918 |
| Asilus compositus (Hine, 1918) | ⇒ Polacantha composita Hine, 1918 |
| Asilus coquillettii (Hine, 1909) | ⇒ Neoitamus coquillettii Hine, 1909 |
| Asilus crassipes (Geoffroy, 1785) | ⇒ Hilara maura Fabricius, 1776 |
| Asilus curculionis ♰ Melander, 1947 | |
| Asilus delicatula Hine, 1918 | |
| Asilus delicatulus (Hine, 1918) | ⇒ Furcilla delicatula Hine, 1918 |
| Asilus erythocnemius (Hine, 1909) | ⇒ Machimus erythocnemius Hine, 1909 |
| Asilus erythrocnemius Hine, 1909 | |
| Asilus fattigi (Bromley, 1940) | ⇒ Machimus fattigi Bromley, 1940 |
| Asilus flavipes (Villers, 1789) | ⇒ Asilus barbarus Linnaeus, 1758 |
| Asilus flavofemoratus (Hine, 1909) | ⇒ Neoitamus flavofemoratus Hine, 1909 |
| Asilus floridensis (Bromley, 1940) | ⇒ Machimus floridensis Bromley, 1940 |
| Asilus florissantinus ♰ James, 1939 | |
| Asilus formosus (Hine, 1918) | ⇒ Machimus formosus Hine, 1918 |
| Asilus frosti (Bromley, 1950) | ⇒ Machimus frosti Bromley, 1950 |
| Asilus fulviventris (Schaeffer, 1916) | ⇒ Prolatiforceps fulviventris Schaeffer, 1916 |
| Asilus fuscatus (Hine, 1909) | ⇒ Philonicus fuscatus Hine, 1909 |
| Asilus gilvipes (Hine, 1918) | ⇒ Machimus gilvipes Hine, 1918 |
| Asilus hubbelli (Bromley, 1950) | ⇒ Machimus hubbelli Bromley, 1950 |
| Asilus humilis (Bellardi, 1861) | ⇒ Dicropaltum humilis Bellardi, 1861 |
| Asilus hypopygialis (Schaeffer, 1916) | ⇒ Neomochtherus hypopygialis Schaeffer, 1916 |
| Asilus johnsoni (Hine, 1909) | ⇒ Machimus johnsoni Hine, 1909 |
| Asilus knulli (Bromley, 1940) | ⇒ Prolatiforceps fulviventris Schaeffer, 1916 |
| Asilus latipennis (Hine, 1909) | ⇒ Neomochtherus latipennis Hine, 1909 |
| Asilus lepidus (Hine, 1909) | ⇒ Neomochtherus lepidus Hine, 1909 |
| Asilus limpidipennis (Hine, 1909) | ⇒ Philonicus limpidipennis Hine, 1909 |
| Asilus maneei (Hine, 1909) | ⇒ Tolmerus maneei Hine, 1909 |
| Asilus montanus (Hine, 1909) | ⇒ Orophotus montanus Ricardo, 1922 |
| Asilus occidentalis (Philippi, 1865) | ⇒ Machimus occidentalis Hine, 1909 |
| Asilus palaeolestes ♰ Cockerell, 1921 | |
| Asilus paropus (Walker, 1849) | ⇒ Machimus paropus Walker, 1849 |
| Asilus peritulus ♰ Cockerell, 1909 | |
| Asilus persimilis (Banks, 1920) | ⇒ Neomochtherus comosus Hine, 1918 |
| Asilus piceus (Hine, 1909) | ⇒ Neomochtherus piceus Hine, 1909 |
| Asilus platyceras (Hine, 1922) | ⇒ Negasilus platyceras Hine, 1922 |
| Asilus rubicundus (Hine, 1909) | ⇒ Dicropaltum rubicundus Hine, 1909 |
| Asilus sackeni (Banks, 1920) | ⇒ Machimus vescus Hine, 1918 |
| Asilus sadyates (Walker, 1849) | ⇒ Machimus sadyates Walker, 1849 |
| Asilus sericeus Say, 1823 | |
| Asilus snowii (Hine, 1909) | ⇒ Machimus snowii Hine, 1909 |
| Asilus terminalis (Hine, 1909) | ⇒ Neoitamus terminalis Hine, 1909 |
| Asilus truquii (Bellardi, 1861) | ⇒ Philonicus truquii Bellardi, 1861 |
| Asilus vescus (Hine, 1918) | ⇒ Machimus vescus Hine, 1918 |
| Asilus virginicus (Banks, 1920) | ⇒ Machimus virginicus Banks, 1920 |
| Asilus wickhami ♰ Cockerell, 1915 | |
| Asiola blasio Walker, 1849 | |
| Asiola lemniscata Daniels, 1977 | |
| Atomosia antennata (Banks, 1920) | ⇒ Amathomyia antennata Banks, 1920 |
| Atomosia arkansensis Barnes, 2008 | |
| Atomosia danforthi Curran, 1935 | |
| Atomosia echemon Walker, 1849 | |
| Atomosia glabrata Say, 1823 | Indigobush |
| Atomosia melanopogon Hermann, 1912 | Long spur columbine |
| Atomosia mucida Osten-sacken, 1887 | |
| Atomosia mucidoides (Bromley, 1951) | ⇒ Atomosia sayii Johnson, 1903 |
| Atomosia puella Wiedemann, 1828 | |
| Atomosia punctifera Hermann, 1912 | Long spur columbine |
| Atomosia pusilla Macquart, 1838 | Melonleaf |
| Atomosia rica Curran, 1935 | |
| Atomosia rufipes Macquart, 1847 | Watermelon |
| Atomosia sayii Johnson, 1903 | |
| Atomosiella antennata Banks, 1920 | |
| Atoniomyia duncani Wilcox, 1937 | |
| Atractia clausicella Carrera, 1960 | |
| Bachomyia schlingeri | |
| Backomyia anomala Wilcox & Martin, 1957 | Rope dodder |
| Backomyia hannai Wilcox & Martin, 1957 | Rope dodder |
| Backomyia limpidipennis Wilcox, 1936 | |
| Backomyia schlingeri Wilcox & Martin, 1957 | Rope dodder |
| Backomyia seminoensis Lavigne, 1971 | American waterwort |
| Bathypogon chionthrix Hull, 1958 | |
| Bathypogon cinereus Hull, 1959 | |
| Bathypogon macrodonturus Hull, 1959 | |
| Bathypogon pedanus Walker, 1849 | |
| Bathypogon rubellus Hull, 1956 | |
| Bathypogon tristis White, 1914 | |
| Bathypogon uncinatus Hull, 1956 | |
| Beameromyia bifida Hardy, 1942 | |
| Beameromyia chrysops Martin, 1957 | MacBride cleomella |
| Beameromyia disfascia Martin, 1957 | MacBride cleomella |
| Beameromyia floridensis Johnson, 1913 | |
| Beameromyia kawiensis Martin, 1957 | MacBride cleomella |
| Beameromyia lacinia Martin, 1957 | MacBride cleomella |
| Beameromyia lunula Martin, 1957 | MacBride cleomella |
| Beameromyia macula Martin, 1957 | MacBride cleomella |
| Beameromyia monticola Martin, 1957 | MacBride cleomella |
| Beameromyia occidentis Hardy, 1942 | |
| Beameromyia pictipes Loew, 1862 | |
| Beameromyia prairiensis Martin, 1957 | MacBride cleomella |
| Beameromyia punicea Martin, 1957 | MacBride cleomella |
| Beameromyia quaterna Scarbrough, 1997 | |
| Beameromyia silvacola Martin, 1957 | MacBride cleomella |
| Beameromyia vulgaris Martin, 1957 | MacBride cleomella |
| Blax bellus (Loew, 1872) | ⇒ Cophura bella Loew, 1872 |
| Blepharepium borealis James, 1939 | |
| Blepharepium priapus Papavero & B..., 1973 | Norwegian cinquefoil |
| Blepharepium secabile Walker, 1860 | |
| Blepharepium sonorensis Papavero & B..., 1973 | Norwegian cinquefoil |
| Blepharotes coriarius Wiedemann, 1830 | Giant Yellow Robber Fly |
| Blepharotes flavus Ricardo, 1913 | |
| Bohartia bromleyi Hull, 1958 | English oak |
| Bohartia isabella Adisoemarto ..., 1975 | |
| Bohartia martini Adisoemarto ..., 1975 | |
| Bohartia munda Adisoemarto ..., 1975 | |
| Bohartia nitor Adisoemarto ..., 1975 | |
| Bohartia tenuis Adisoemarto ..., 1975 | |
| Bombomima engelhardti (Bromley, 1931) | ⇒ Laphria engelhardti Bromley, 1931 |
| Brachyrhopala aurimaculata Clements, 2000 | |
| Brachyrhopala danielsi Clements, 2000 | |
| Bromleyus flavidorsus Hardy, 1944 | Singlenerve peperomia |
| Bromotheres australis Ricardo, 1913 | |
| Broticosia calabyi Paramonov, 1964 | |
| Broticosia calignea Daniels, 1975 | |
| Broticosia rapax Hull, 1958 | |
| Cabasa pulchella Macquart, 1846 | |
| Callinicus calcaneus Loew, 1872 | Juniper globemallow |
| Callinicus pictitarsis Bigot, 1878 | |
| Callinicus pollenius Cole, 1919 | |
| Callinicus quadrinotatus Bigot, 1878 | |
| Callinicus vittatus Wilcox, 1936 | |
| Carinefferia caliente Wilcox, 1966 | |
| Carinefferia costalis Williston, 1885 | |
| Carinefferia cressoni Hine, 1919 | |
| Carinefferia jubata (Williston, 1885) | ⇒ Efferia jubata Williston, 1885 |
| Carinefferia latruncula Williston, 1885 | |
| Carinefferia ordwayae Wilcox, 1966 | |
| Carinefferia prolificus Osten-sacken, 1887 | |
| Carinefferia subcuprea Schaeffer, 1916 | |
| Carinefferia willistoni Hine, 1919 | |
| Ceraturgopsis oklahomensis (Bromley, 1934) | ⇒ Ceraturgus oklahomensis Bromley, 1934 |
| Ceraturgopsis praecursor James, 1939 | |
| Ceraturgus aurulentus Fabricius, 1805 | |
| Ceraturgus cornutus Wiedemann, 1828 | |
| Ceraturgus cruciatus Say, 1823 | |
| Ceraturgus elizabethae Brimley, 1924 | |
| Ceraturgus fasciatus (Walker, 1849) | ⇒ Ceraturgus cruciatus Say, 1823 |
| Ceraturgus johnsoni Martin, 1965 | Slender cleomella |
| Ceraturgus lobicornis (Osten Sacken, 1877) | ⇒ Myelaphus lobicornis Osten-sacken, 1877 |
| Ceraturgus mabelae Brimley, 1924 | |
| Ceraturgus mitchelli Brimley, 1924 | |
| Ceraturgus nigripes Williston, 1886 | Skyblue clustervine |
| Ceraturgus oklahomensis Bromley, 1934 | |
| Ceraturgus praecursor ♰ James, 1939 | |
| Ceraturgus similis Johnson, 1912 | Drummond's stitchwort |
| Cerdistus cygnis Dakin & Fordham, 1922 | |
| Cerdistus fuscipennis Macquart, 1838 | |
| Cerdistus hudsoni Lavigne, 2011 | |
| Cerdistus lascus Walker, 1849 | |
| Cerdistus maculatus White, 1914 | |
| Cerdistus ruficoxatus Macquart, 1850 | |
| Cerotainia albipilosa Curran, 1930 | |
| Cerotainia atrata Jones, 1907 | Hooker's silene |
| Cerotainia macrocera Say, 1823 | |
| Cerotainia ornatipes James, 1953 | |
| Cerotainiops abdominalis Brown, 1897 | |
| Cerotainiops kernae Martin, 1959 | Mojave cleomella |
| Cerotainiops lucyae Martin, 1959 | Mojave cleomella |
| Cerotainiops mcclayi Martin, 1959 | Mojave cleomella |
| Cerotainiops oma (Pritchard, 1942) | ⇒ Cerotainiops omus Pritchard, 1942 |
| Cerotainiops omus Pritchard, 1942 | Harrison milk-vetch |
| Cerotainiops wilcoxi Pritchard, 1942 | Harrison milk-vetch |
| Chrysopogon (Von) crabroniformis Von Roeder, 1881 | |
| Chrysopogon albopunctatus Macquart, 1846 | |
| Chrysopogon albosetosus Clements, 1985 | |
| Chrysopogon brunnipes Clements, 1985 | |
| Chrysopogon castaneus Clements, 1985 | |
| Chrysopogon dialeucus Clements, 1985 | |
| Chrysopogon diaphanes Clements, 1985 | |
| Chrysopogon melanorrhinus Clements, 1985 | |
| Chrysopogon micrus Clements, 1985 | |
| Chrysopogon parvus Clements, 1985 | |
| Chrysopogon pilosifacies Clements, 1985 | |
| Chrysopogon rubidipennis White, 1918 | |
| Chrysopogon rufulus White, 1914 | |
| Chrysopogon rutilus Clements, 1985 | |
| Chrysopogon sphecodes Clements, 1985 | |
| Chrysopogon splendidissimus Ricardo, 1912 | |
| Chrysopogon whitei Hull, 1958 | |
| Chrysopogon xanthus Clements, 1985 | |
| Clavator sabulonum (Osten Sacken, 1877) | ⇒ Lestomyia sabulona Osten-sacken, 1877 |
| Codula occidentalis Clements, 1985 | |
| Codula vespiformis Thomson, 1869 | |
| Coleomyia albula Melander, 1924 | |
| Coleomyia alticola James, 1941 | |
| Coleomyia crumborum Martin, 1953 | Hillman's stinkweed |
| Coleomyia hinei Wilcox & Martin, 1935 | Greater dodder |
| Coleomyia rainieri Wilcox & Martin, 1935 | Greater dodder |
| Coleomyia rubida Martin, 1953 | Hillman's stinkweed |
| Coleomyia sculleni Wilcox & Martin, 1935 | Greater dodder |
| Coleomyia setigera Cole, 1919 | |
| Colepia rufiventris Macquart, 1838 | |
| Comantella cristata Coquillett, 1893 | |
| Comantella fallei Back, 1909 | |
| Comantella pacifica Curran, 1926 | |
| Comantella rotgeri James, 1937 | |
| Cophinopoda garnotii Guérin-Ménev..., 1831 | |
| Cophura albosetosa (Hine, 1908) | ⇒ Cophura scitula Williston, 1883 |
| Cophura ameles Pritchard, 1943 | Dana's milkvetch |
| Cophura antiquella ♰ Cockerell, 1913 | |
| Cophura arizonensis Schaeffer, 1916 | |
| Cophura bella Loew, 1872 | |
| Cophura brevicornis Williston, 1883 | |
| Cophura brevicornis flavus | |
| Cophura brevicornis luteus | |
| Cophura brevicornis melanochaeta | |
| Cophura brevicornis rubidus | |
| Cophura caca Pritchard, 1943 | Dana's milkvetch |
| Cophura clausa Coquillett, 1893 | |
| Cophura cristatus | |
| Cophura dammersi Wilcox, 1965 | Prairie dodder |
| Cophura dora Pritchard, 1943 | Dana's milkvetch |
| Cophura fergusoni Wilcox, 1965 | Prairie dodder |
| Cophura ferugsoni Wilcox, 1965 | |
| Cophura fisheri Wilcox, 1965 | Prairie dodder |
| Cophura flavus (Wilcox, 1965) | ⇒ Cophura brevicornis Williston, 1883 |
| Cophura fur Williston, 1885 | |
| Cophura getzendaneri Wilcox, 1959 | Peruvian dodder |
| Cophura hennei Wilcox & Martin, 1945 | Bushclover dodder |
| Cophura hesperia Pritchard, 1935 | |
| Cophura highlandica (Cole, 1916) | ⇒ Cophura truncus Coquillett, 1893 |
| Cophura hurdi Hull, 1960 | Robust oak |
| Cophura luteus (Wilcox, 1965) | ⇒ Cophura brevicornis Williston, 1883 |
| Cophura lutzi (Curran, 1931) | ⇒ Cophura pollinosa Curran, 1930 |
| Cophura luzti Curran, 1931 | |
| Cophura melanochaeta (Williston, 1924) | ⇒ Cophura brevicornis Williston, 1883 |
| Cophura painteri Pritchard, 1943 | Dana's milkvetch |
| Cophura pollinosa Curran, 1930 | |
| Cophura powersi Wilcox, 1965 | Prairie dodder |
| Cophura rozeni Wilcox, 1965 | Prairie dodder |
| Cophura rubidus (Wilcox, 1965) | ⇒ Cophura brevicornis Williston, 1883 |
| Cophura scitula Williston, 1883 | Oval-leaf clustervine |
| Cophura sculleni Wilcox, 1937 | |
| Cophura sodalis Osten-sacken, 1887 | |
| Cophura stylosa Curran, 1931 | |
| Cophura tanbarki Wilcox, 1965 | Prairie dodder |
| Cophura texana Bromley, 1934 | |
| Cophura timberlakei Wilcox, 1965 | Prairie dodder |
| Cophura tolandi Wilcox, 1959 | Peruvian dodder |
| Cophura trunca Coquillett, 1893 | |
| Cophura truncus Coquillett, 1893 | |
| Cophura vanduzeei Wilcox, 1965 | Prairie dodder |
| Cophura vandykei Wilcox, 1965 | Prairie dodder |
| Cophura vera Pritchard, 1935 | |
| Cophura vitripennis Curran, 1927 | |
| Cretagaster raritanensis ♰ T. Dikow, 2014 | |
| Ctenodontina baleta Walker, 1849 | |
| Cyrtopogon ablautoides Melander, 1923 | Roadside false madwort |
| Cyrtopogon albifacies Johnson, 1942 | Slender stitchwort |
| Cyrtopogon albifrons Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon aldrichi Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon alleni Back, 1909 | |
| Cyrtopogon anomalus Cole, 1919 | |
| Cyrtopogon auratus Cole, 1919 | |
| Cyrtopogon aurifex Osten-sacken, 1877 | |
| Cyrtopogon auripilosus Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon banksi Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon basingeri Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon beameri Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon bimacula Walker, 1851 | |
| Cyrtopogon bimaculus Walker, 1851 | |
| Cyrtopogon caesius Melander, 1923 | Roadside false madwort |
| Cyrtopogon californicus (Wilcox & Martin, 1936) | ⇒ Cyrtopogon semitarius Melander, 1923 |
| Cyrtopogon callipedilus Loew, 1874 | |
| Cyrtopogon callipedilus nigritarsus | |
| Cyrtopogon cerussatus (Osten Sacken, 1877) | ⇒ Nannocyrtopogon cerussatus Osten-sacken, 1877 |
| Cyrtopogon chrysopogon (Loew, 1866) | ⇒ Cyrtopogon falto Walker, 1849 |
| Cyrtopogon cretaceus (Osten Sacken, 1877) | ⇒ Cyrtopogon princeps Osten-sacken, 1877 |
| Cyrtopogon culminus Bigot, 1885 | |
| Cyrtopogon curtipennis Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon curtistylus Curran, 1923 | |
| Cyrtopogon cymbalista Osten-sacken, 1877 | |
| Cyrtopogon dasyllis Williston, 1893 | |
| Cyrtopogon dasylloides Williston, 1883 | |
| Cyrtopogon dubius Williston, 1883 | |
| Cyrtopogon evidens Osten-sacken, 1877 | |
| Cyrtopogon fallei Back, 1909 | |
| Cyrtopogon falto Walker, 1849 | |
| Cyrtopogon fumipennis Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon glarealis Melander, 1923 | Roadside false madwort |
| Cyrtopogon hollandi Lavigne & De..., 2019 | |
| Cyrtopogon idahoensis Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon infuscatus Cole, 1919 | |
| Cyrtopogon inversus Curran, 1923 | |
| Cyrtopogon jemezi Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon laphriformis Curran, 1923 | |
| Cyrtopogon laxenecera Bromley, 1935 | |
| Cyrtopogon leptotarsus Curran, 1923 | |
| Cyrtopogon leucozona Loew, 1874 | |
| Cyrtopogon leucozonus Loew, 1874 | |
| Cyrtopogon lineotarsus Curran, 1923 | |
| Cyrtopogon longimanus Loew, 1874 | Emory's globemallow |
| Cyrtopogon lutatius Walker, 1849 | |
| Cyrtopogon lyratus Osten-sacken, 1878 | |
| Cyrtopogon maculosus (Coquillett, 1904) | ⇒ Eucyrtopogon maculosus Coquillett, 1904 |
| Cyrtopogon marginalis Loew, 1866 | Scarlet globemallow |
| Cyrtopogon martini Lavigne & De..., 2019 | |
| Cyrtopogon melanopleurus (Loew, 1866) | ⇒ Cyrtopogon bimacula Walker, 1851 |
| Cyrtopogon montanus (Loew, 1874) | ⇒ Cyrtopogon culminus Bigot, 1885 |
| Cyrtopogon montanus wilcoxi James, 1942 | |
| Cyrtopogon nebulo (Osten Sacken, 1877) | ⇒ Eucyrtopogon nebulo Osten-sacken, 1877 |
| Cyrtopogon nigricolor (Coquillett, 1904) | ⇒ Nannocyrtopogon nigricolor Coquillett, 1904 |
| Cyrtopogon nigritarsus (Wilcox & Martin, 1936) | ⇒ Cyrtopogon callipedilus Loew, 1874 |
| Cyrtopogon nitidus Cole, 1924 | |
| Cyrtopogon nugator Osten-sacken, 1877 | |
| Cyrtopogon perspicax Cole, 1919 | |
| Cyrtopogon planitarsus Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon plausor Osten-sacken, 1877 | |
| Cyrtopogon positivus (Osten Sacken, 1877) | ⇒ Cyrtopogon rejectus Osten-sacken, 1877 |
| Cyrtopogon praepes Williston, 1883 | |
| Cyrtopogon princeps Osten-sacken, 1877 | |
| Cyrtopogon profusus Osten-sacken, 1877 | |
| Cyrtopogon pulcher Back, 1909 | |
| Cyrtopogon punctipennis (Melander, 1923) | ⇒ Eucyrtopogon punctipennis Melander, 1923 |
| Cyrtopogon rainieri Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon rattus Osten-sacken, 1877 | |
| Cyrtopogon rejectus Osten-sacken, 1877 | |
| Cyrtopogon rufotarsus Back, 1909 | |
| Cyrtopogon sabroskyi Lavigne & Bu..., 1981 | Waterwort |
| Cyrtopogon semitarius Melander, 1923 | |
| Cyrtopogon semitarius californicus | |
| Cyrtopogon stenofrons Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon sudator Osten-sacken, 1877 | |
| Cyrtopogon swezeyi Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon tacomae (Melander, 1923) | ⇒ Cyrtopogon dubius Williston, 1883 |
| Cyrtopogon tenuis Bromley, 1924 | |
| Cyrtopogon thompsoni Cole, 1919 | |
| Cyrtopogon tibialis Coquillett, 1904 | |
| Cyrtopogon vanduzeei Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon vandykei Wilcox & Martin, 1936 | Tall dodder |
| Cyrtopogon varans Curran, 1923 | |
| Cyrtopogon varipennis (Coquillett, 1904) | ⇒ Eucyrtopogon varipennis Coquillett, 1904 |
| Cyrtopogon vulneratus Melander, 1923 | Roadside false madwort |
| Cyrtopogon wilcoxi James, 1942 | |
| Cyrtopogon willistoni Curran, 1923 | |
| Dakinomyia froggattii Dakin & Fordham, 1922 | |
| Daptolestes limbipennis Macquart, 1846 | |
| Dasylechia atrox Williston, 1883 | |
| Dasyllis astur Osten Sacken, 1877 | |
| Dasyllis californica (Banks, 1917) | ⇒ Laphria astur Osten-sacken, 1877 |
| Dasyllis champlainii (Walton, 1910) | ⇒ Laphria champlainii Walton, 1910 |
| Dasyllis divisor (Banks, 1917) | ⇒ Laphria divisor Banks, 1917 |
| Dasyllis sackeni Banks, 1917 | |
| Dasyllis virginica (Banks, 1917) | ⇒ Laphria virginica Banks, 1917 |
| Dasypogon brevipennis (Meigen, 1838) | ⇒ Stenopogon brevipennis Wiedemann, 1820 |
| Dasypogon quadrinotatus Bigot, 1878 | |
| Dasypogon rufescens Macquart, 1834 | |
| Daulopogon terricola (Johnson, 1900) | ⇒ Lasiopogon terricolus Johnson, 1900 |
| Deromyia discolor Loew, 1866 | |
| Deromyia hypomelas Loew, 1866 | |
| Deromyia neoternatus (Bromley, 1931) | ⇒ Diogmites neoternatus Bromley, 1931 |
| Deromyia perplexa (Back, 1909) | ⇒ Diogmites perplexus Back, 1909 |
| Deromyia platyptera Loew, 1866 | |
| Deromyia ternatus Loew, 1866 | |
| Deromyia umbrina Loew, 1866 | |
| Dicolonus medius Adisoemarto ..., 1975 | |
| Dicolonus nigricentrum (Adisoemarto ..., 1975) | ⇒ Dicolonus nigricentrus Adisoemarto ..., 1975 |
| Dicolonus nigricentrus Adisoemarto ..., 1975 | |
| Dicolonus pulchrum (Adisoemarto ..., 1975) | ⇒ Dicolonus sparsipilosus Back, 1909 |
| Dicolonus simplex Loew, 1866 | Scarlet globemallow |
| Dicolonus sparsipilosus Back, 1909 | |
| Dicranus jaliscoensis Williston, 1901 | Tansyleaf lidpod |
| Dicropaltum alamosae (Martin, 1975) | ⇒ Dicropaltum mesae Tucker, 1907 |
| Dicropaltum humilis Bellardi, 1861 | |
| Dicropaltum mesae Tucker, 1907 | |
| Dicropaltum pawneeae (Martin, 1975) | ⇒ Dicropaltum mesae Tucker, 1907 |
| Dicropaltum rubicundus Hine, 1909 | |
| Didysmachus picipes Meigen, 1820 | |
| Dioctria (Dioctria) cothurnata Meigen, 1820 | Scarce red-legged robberfly |
| Dioctria (Dioctria) hyalipennis (Fabricius, 1794) | ⇒ Leptarthrus vitripennis Meigen, 1820 |
| Dioctria (Dioctria) linearis Fabricius, 1787 | Small yellow-legged robberfly |
| Dioctria (Dioctria) rufipes (De Geer, 1776) | ⇒ Taracticus octopunctatus Say, 1823 |
| Dioctria albicornis Wilcox & Martin, 1941 | Clustered dodder |
| Dioctria albius (Walker, 1849) | ⇒ Eudioctria albius Walker, 1849 |
| Dioctria baumhaueri Meigen, 1820 | Hispid yellowcress |
| Dioctria brevis (Banks, 1917) | ⇒ Eudioctria brevis Banks, 1917 |
| Dioctria doanei (Melander, 1924) | ⇒ Eudioctria doanei Melander, 1924 |
| Dioctria flavipes (Banks, 1917) | ⇒ Dioctria linearis Fabricius, 1787 |
| Dioctria florissantina ♰ Cockerell, 1909 | |
| Dioctria henshawi Johnson, 1918 | Howell's stitchwort |
| Dioctria jamesi ♰ Lewis, 1972 | |
| Dioctria longicornis (Meigen, 1820) | ⇒ Eudioctria tibialis Banks, 1917 |
| Dioctria media (Banks, 1917) | ⇒ Eudioctria media Banks, 1917 |
| Dioctria parvula Coquillett, 1893 | |
| Dioctria parvulus (Coquillett, 1893) | ⇒ Metadioctria parvula Coquillett, 1893 |
| Dioctria pleuralis Banks, 1917 | |
| Dioctria propinqua (Bromley, 1924) | ⇒ Eudioctria propinqua Bromley, 1924 |
| Dioctria pulveris ♰ Cockerell, 1917 | |
| Dioctria pusio Osten-sacken, 1877 | |
| Dioctria resplendens (Loew, 1872) | ⇒ Metadioctria resplendens Loew, 1872 |
| Dioctria rivalis (Melander, 1924) | ⇒ Eudioctria sackeni Williston, 1883 |
| Dioctria rubidus (Coquillett, 1893) | ⇒ Metadioctria rubida Coquillett, 1893 |
| Dioctria seminole Bromley, 1924 | |
| Dioctria tenuis (Walker, 1851) | ⇒ Mirolestes tenuis Walker, 1851 |
| Dioctria vera Back, 1909 | |
| Dioctria wilcoxi Adisoemarto ..., 1975 | |
| Dioctrodes flavipes (Coquillett, 1904) | ⇒ Taracticus octopunctatus Say, 1823 |
| Diogmites angustipennis Loew, 1866 | Scarlet globemallow |
| Diogmites basalis Walker, 1851 | |
| Diogmites bicolor Jaennicke, 1867 | |
| Diogmites bilobatus Barnes, 2010 | |
| Diogmites coloradensis James, 1933 | |
| Diogmites contortus Bromley, 1936 | |
| Diogmites crudelis Bromley, 1936 | |
| Diogmites discolor Loew, 1866 | Scarlet globemallow |
| Diogmites esuriens Bromley, 1936 | |
| Diogmites fragilis Bromley, 1936 | |
| Diogmites grossus (Bromley, 1936) | ⇒ Diogmites angustipennis Loew, 1866 |
| Diogmites herennius Walker, 1849 | |
| Diogmites lindigii Schiner, 1868 | |
| Diogmites misellus Loew, 1866 | Scarlet globemallow |
| Diogmites missouriensis Bromley, 1951 | |
| Diogmites neoternatus Bromley, 1931 | |
| Diogmites perplexus Back, 1909 | |
| Diogmites platypterus Loew, 1866 | Scarlet globemallow |
| Diogmites pritchardi Bromley, 1936 | |
| Diogmites properans Bromley, 1936 | |
| Diogmites pulcher Back, 1909 | |
| Diogmites rubrodorsatus (Artigas, 1966) | ⇒ Diogmites esuriens Bromley, 1936 |
| Diogmites sallei Bellardi, 1861 | |
| Diogmites salutans Bromley, 1936 | |
| Diogmites symmachus (Loew, 1872) | ⇒ Diogmites angustipennis Loew, 1866 |
| Diogmites ternatus Loew, 1866 | Scarlet globemallow |
| Diogmites texanus Bromley, 1934 | |
| Diogmites unicolor Hull, 1958 | English oak |
| Dolopus rubrithorax Macquart, 1838 | |
| Dysmachus picipes (Meigen, 1820) | ⇒ Didysmachus picipes Meigen, 1820 |
| Eccritosia zamon Townsend, 1895 | |
| Echthodopa carolinensis Bromley, 1951 | |
| Echthodopa formosa Loew, 1872 | Juniper globemallow |
| Echthodopa pubera Loew, 1866 | Scarlet globemallow |
| Echthopoda pubera Loew, 1866 | |
| Efferia aestuans Linnaeus, 1763 | |
| Efferia albibarbis Macquart, 1838 | |
| Efferia anacapai Wilcox & Martin, 1945 | |
| Efferia anomala Bellardi, 1861 | |
| Efferia antiochi Wilcox, 1966 | Smartweed dodder |
| Efferia anza Forbes, 1988 | |
| Efferia apache Wlicox, 1966 | |
| Efferia apicalis Wiedemann, 1821 | |
| Efferia argentifrons Hine, 1911 | |
| Efferia argyrosoma Hine, 1911 | |
| Efferia arida Williston, 1893 | |
| Efferia armata Hine, 1918 | |
| Efferia aurimystacea Hine, 1919 | |
| Efferia auripila Hine, 1916 | |
| Efferia azteci Wilcox, 1966 | Smartweed dodder |
| Efferia basingeri Wilcox, 1966 | Smartweed dodder |
| Efferia basini Wilcox, 1966 | Smartweed dodder |
| Efferia beameri Wilcox, 1966 | Smartweed dodder |
| Efferia belfragei Hine, 1919 | |
| Efferia benedicti Bromley, 1940 | |
| Efferia bexarensis Bromley, 1934 | |
| Efferia bicaudata Hine, 1919 | |
| Efferia bicolor Bellardi, 1861 | |
| Efferia bryanti Wilcox, 1966 | Smartweed dodder |
| Efferia cabeza Wilcox, 1966 | Smartweed dodder |
| Efferia calienta Wilcox, 1966 | Smartweed dodder |
| Efferia caliente Wilcox, 1966 | |
| Efferia californica Schaeffer, 1916 | |
| Efferia cana Hine, 1916 | |
| Efferia candida Coquillett, 1893 | |
| Efferia cannella Bromley, 1934 | |
| Efferia clementei Wilcox & Martin, 1945 | |
| Efferia completa Macquart, 1838 | |
| Efferia coquillettii Hine, 1919 | |
| Efferia costalis Williston, 1885 | |
| Efferia coulei Wilcox, 1966 | Smartweed dodder |
| Efferia cressoni Hine, 1919 | |
| Efferia cuervana Hardy, 1943 | |
| Efferia davisi Wilcox, 1966 | Smartweed dodder |
| Efferia deserti Wilcox, 1966 | Smartweed dodder |
| Efferia dubia Williston, 1885 | |
| Efferia duncani Wilcox, 1966 | Smartweed dodder |
| Efferia ehrenbergi Wilcox, 1966 | Smartweed dodder |
| Efferia femorata Macquart, 1838 | |
| Efferia frewingi Wilcox, 1966 | Smartweed dodder |
| Efferia gila Wilcox, 1966 | Smartweed dodder |
| Efferia grandis Hine, 1919 | |
| Efferia halli Wilcox, 1966 | Smartweed dodder |
| Efferia harveyi Hine, 1919 | |
| Efferia helenae Bromley, 1951 | |
| Efferia imperialis Forbes, 1988 | |
| Efferia incognita Forbes, 1987 | |
| Efferia inflata Hine, 1911 | |
| Efferia jubata Williston, 1885 | |
| Efferia kansensis Hine, 1919 | |
| Efferia kelloggi Wilcox, 1966 | Smartweed dodder |
| Efferia knowltoni Bromley, 1937 | |
| Efferia kondratieffi Bullington &..., 1984 | |
| Efferia latruncula Williston, 1885 | |
| Efferia leucocoma Williston, 1885 | |
| Efferia luna Wilcox, 1966 | Smartweed dodder |
| Efferia macrolabis Wiedemann, 1828 | |
| Efferia macroxipha Forbes, 1988 | |
| Efferia macroxyipha | |
| Efferia mesquite Bromley, 1951 | |
| Efferia monki Bromley, 1951 | |
| Efferia mortensoni Wilcox, 1966 | Smartweed dodder |
| Efferia nemoralis Hine, 1911 | |
| Efferia neoinflata Wilcox, 1966 | Smartweed dodder |
| Efferia neosimilis Forbes, 1987 | |
| Efferia ordwayae Wilcox, 1966 | Smartweed dodder |
| Efferia pallidula Hine, 1911 | |
| Efferia parkeri Wilcox, 1966 | Smartweed dodder |
| Efferia peralta Wilcox, 1966 | Smartweed dodder |
| Efferia pernicis Coquillett, 1893 | |
| Efferia pilosa Hine, 1919 | |
| Efferia pinali Wilcox, 1966 | Smartweed dodder |
| Efferia plena Hine, 1916 | |
| Efferia pogonias Wiedemann, 1821 | |
| Efferia prairiensis Bromley, 1934 | |
| Efferia prattii Hine, 1919 | |
| Efferia producta Hine, 1919 | |
| Efferia prolifica Osten Sacken, 1887 | |
| Efferia rapax Osten Sacken, 1887 | |
| Efferia setigera Wilcox, 1966 | Smartweed dodder |
| Efferia similis Williston, 1885 | |
| Efferia slossonae Hine, 1919 | |
| Efferia snowi Hine, 1919 | |
| Efferia spiniventris Hine, 1919 | |
| Efferia staminea Williston, 1885 | Oval-leaf clustervine |
| Efferia subarida Bromley, 1940 | |
| Efferia subcuprea Schaeffer, 1916 | |
| Efferia subpilosa Schaeffer, 1916 | |
| Efferia tabescens Banks, 1919 | |
| Efferia tagax Williston, 1885 | |
| Efferia texana Banks, 1919 | |
| Efferia tolandi Wilcox, 1966 | Smartweed dodder |
| Efferia tricella Bromley, 1951 | |
| Efferia triton Osten Sacken, 1887 | |
| Efferia truncata Hine, 1911 | |
| Efferia tuberculata Coquillett, 1904 | |
| Efferia tucsoni Wilcox, 1966 | Smartweed dodder |
| Efferia utahensis Bromley, 1937 | |
| Efferia varipes Williston, 1885 | |
| Efferia vertebrata Bromley, 1940 | |
| Efferia wilcoxi Bromley, 1940 | |
| Efferia willistoni Hine, 1919 | |
| Efferia yermo Wilcox, 1966 | Smartweed dodder |
| Efferia yuma Wilcox, 1966 | Smartweed dodder |
| Efferia zonata Hine, 1919 | |
| Erax argentifrons (Hine, 1911) | ⇒ Pogonioefferia argentifrons Hine, 1911 |
| Erax argyrosoma (Hine, 1911) | ⇒ Pogonioefferia argyrosoma Hine, 1911 |
| Erax armatus (Hine, 1918) | ⇒ Albibarbefferia armatus Hine, 1918 |
| Erax aurimystaceus (Hine, 1919) | ⇒ Nerax aurimystaceus Hine, 1919 |
| Erax auripilus (Hine, 1916) | ⇒ Pogonioefferia auripila Hine, 1916 |
| Erax bicaudatus (Hine, 1919) | ⇒ Pogonioefferia bicaudata Hine, 1919 |
| Erax californicus (Schaeffer, 1916) | ⇒ Efferia californica Schaeffer, 1916 |
| Erax canus (Hine, 1916) | ⇒ Pogonioefferia cana Hine, 1916 |
| Erax furax (Williston, 1885) | ⇒ Efferia albibarbis Macquart, 1838 |
| Erax helenae (Bromley, 1951) | ⇒ Efferia helenae Bromley, 1951 |
| Erax inflatus (Hine, 1911) | ⇒ Pogonioefferia inflata Hine, 1911 |
| Erax kansensis (Hine, 1919) | ⇒ Nerax kansensis Hine, 1919 |
| Erax knowltoni (Bromley, 1937) | ⇒ Efferia knowltoni Bromley, 1937 |
| Erax latrunculus (Williston, 1885) | ⇒ Efferia latruncula Williston, 1885 |
| Erax mesquite (Bromley, 1951) | ⇒ Efferia mesquite Bromley, 1951 |
| Erax nemoralis (Hine, 1911) | ⇒ Pogonioefferia nemoralis Hine, 1911 |
| Erax pallidulus (Hine, 1911) | ⇒ Pogonioefferia pallidula Hine, 1911 |
| Erax plenus (Hine, 1916) | ⇒ Pogonioefferia plena Hine, 1916 |
| Erax prattii (Hine, 1919) | ⇒ Aridefferia prattii Hine, 1919 |
| Erax productus (Hine, 1919) | ⇒ Tuberculefferia producta Hine, 1919 |
| Erax slossonae (Hine, 1919) | ⇒ Nerax slossonae Hine, 1919 |
| Erax snowi (Hine, 1919) | ⇒ Aridefferia snowi Hine, 1919 |
| Erax spiniventris (Hine, 1919) | ⇒ Tuberculefferia spiniventris Hine, 1919 |
| Erax subcupreus (Schaeffer, 1916) | ⇒ Efferia subcuprea Schaeffer, 1916 |
| Erax subpilosus (Schaeffer, 1916) | ⇒ Efferia subpilosa Schaeffer, 1916 |
| Erax tabescens (Banks, 1919) | ⇒ Nerax tabescens Banks, 1919 |
| Erax tagax (Williston, 1885) | ⇒ Efferia tagax Williston, 1885 |
| Erax texanus (Banks, 1919) | ⇒ Pogonioefferia texana Banks, 1919 |
| Erax tricellus (Bromley, 1951) | ⇒ Efferia tricella Bromley, 1951 |
| Erax truncatus (Hine, 1911) | ⇒ Pogonioefferia truncata Hine, 1911 |
| Erax tuberculata (Coquillett, 1904) | ⇒ Efferia tuberculata Coquillett, 1904 |
| Erax utahensis (Bromley, 1937) | ⇒ Efferia utahensis Bromley, 1937 |
| Erax zonatus (Hine, 1919) | ⇒ Albibarbefferia zonata Hine, 1919 |
| Eremisca dipogon Lehr, 1964 | |
| Eucyrtopogon albibarbus Curran, 1923 | |
| Eucyrtopogon calcaratus Curran, 1923 | |
| Eucyrtopogon comantis Curran, 1923 | |
| Eucyrtopogon diversipilosis Curran, 1923 | |
| Eucyrtopogon kelloggi Wilcox, 1936 | |
| Eucyrtopogon maculosus Coquillett, 1904 | |
| Eucyrtopogon nebulo Osten-sacken, 1877 | |
| Eucyrtopogon nigripes Jones, 1907 | |
| Eucyrtopogon punctipennis Melander, 1923 | |
| Eucyrtopogon varipennis Coquillett, 1904 | |
| Eudioctria albius Walker, 1849 | |
| Eudioctria beameri Wilcox & Martin, 1941 | |
| Eudioctria brevis Banks, 1917 | |
| Eudioctria denuda Wilcox & Martin, 1941 | |
| Eudioctria disjuncta Adisoemarto ..., 1975 | |
| Eudioctria dissimilis Adisoemarto ..., 1975 | |
| Eudioctria doanei Melander, 1924 | |
| Eudioctria media Banks, 1917 | |
| Eudioctria monrovia Wilcox & Martin, 1941 | |
| Eudioctria nitida Williston, 1883 | |
| Eudioctria propinqua Bromley, 1924 | |
| Eudioctria sackeni Williston, 1883 | |
| Eudioctria tibialis Banks, 1917 | |
| Eudioctria unica Adisoemarto ..., 1975 | |
| Euscelidia lata Dikow, 2003 | |
| Eutolmus lecythus Walker, 1849 | |
| Eutolmus polypogon Loew, 1848 | |
| Furcilla delicatula Hine, 1918 | |
| Glaphyropyga aristata Carrera, 1950 | |
| Hadrokolos cazieri Martin, 1959 | Mojave cleomella |
| Hadrokolos pritchardi Martin, 1959 | Mojave cleomella |
| Hadrokolos texanus Bromley, 1934 | |
| Haplopogon bullatus Bromley, 1934 | |
| Haplopogon dicksoni Wilcox, 1966 | Smartweed dodder |
| Haplopogon erinus Pritchard, 1941 | Hamilton milkvetch |
| Haplopogon latus Coquillett, 1904 | |
| Haplopogon parkeri Wilcox, 1966 | Smartweed dodder |
| Haplopogon triangulatus Martin, 1955 | Chiricahua Mountain stinkweed |
| Haplopogon utahensis Wilcox, 1966 | Smartweed dodder |
| Hermanella (Hermanella) costalis Navas, 1934 | |
| Heteropogon arizonensis Wilcox, 1941 | Slender dodder |
| Heteropogon cazieri Wilcox, 1965 | Prairie dodder |
| Heteropogon chircahua Wilcox, 1965 | |
| Heteropogon chiricahua Wilcox, 1965 | Prairie dodder |
| Heteropogon cirrhatus Osten-sacken, 1877 | |
| Heteropogon crabroides | |
| Heteropogon currani Pritchard, 1935 | Gypsum milk-vetch |
| Heteropogon davisi Wilcox, 1965 | Prairie dodder |
| Heteropogon divisus Coquillett, 1902 | |
| Heteropogon duncani Wilcox, 1941 | Slender dodder |
| Heteropogon fisheri Wilcox, 1965 | Prairie dodder |
| Heteropogon gibbus (Loew, 1866) | ⇒ Heteropogon macerinus Walker, 1849 |
| Heteropogon johnsoni Back, 1904 | |
| Heteropogon lautus Loew, 1872 | Juniper globemallow |
| Heteropogon ludius Coquillett, 1893 | |
| Heteropogon macerinus Walker, 1849 | |
| Heteropogon maculinervis James, 1937 | |
| Heteropogon martini Wilcox, 1965 | Prairie dodder |
| Heteropogon patruelis Coquillett, 1893 | |
| Heteropogon paurosomus Pritchard, 1935 | Gypsum milk-vetch |
| Heteropogon phoenicurus Loew, 1872 | Juniper globemallow |
| Heteropogon rubidus Coquillett, 1893 | |
| Heteropogon rubrifasciatus Bromley, 1931 | |
| Heteropogon senilis Bigot, 1878 | |
| Heteropogon spatulatus Pritchard, 1935 | Gypsum milk-vetch |
| Heteropogon stonei Wilcox, 1965 | Prairie dodder |
| Heteropogon tolandi Wilcox, 1965 | Prairie dodder |
| Heteropogon wilcoxi James, 1934 | |
| Hodophylax aridus James, 1933 | Engelmann's hedgehog cactus |
| Hodophylax basingeri Pritchard, 1938 | Hall's milkvetch |
| Hodophylax halli Wilcox, 1961 | Santa Rita Mountain dodder |
| Hodophylax tolandi Wilcox, 1961 | Santa Rita Mountain dodder |
| Holcocephala abdominalis Say, 1823 | |
| Holcocephala calva Loew, 1872 | |
| Holcocephala fusca Bromley, 1951 | |
| Holopogon acropennis Martin, 1959 | Mojave cleomella |
| Holopogon albipilosus Curran, 1923 | |
| Holopogon appendiculatum Bigot, 1878 | |
| Holopogon appendiculatus Bigot, 1878 | |
| Holopogon archilestes ♰ Hull, 1960 | |
| Holopogon archilestris Hull, 1960 | |
| Holopogon atrifrons Cole, 1924 | |
| Holopogon atripennis Back, 1909 | |
| Holopogon caesariatus Martin, 1959 | Mojave cleomella |
| Holopogon crinitus Martin, 1959 | Mojave cleomella |
| Holopogon currani Martin, 1959 | Mojave cleomella |
| Holopogon guttulus Wiedemann, 1821 | |
| Holopogon latus (Coquillett, 1904) | ⇒ Haplopogon latus Coquillett, 1904 |
| Holopogon mica Martin, 1967 | |
| Holopogon mingusae Martin, 1959 | Mojave cleomella |
| Holopogon nitidiventris Bigot, 1878 | |
| Holopogon oriens Martin, 1959 | Mojave cleomella |
| Holopogon phaeonotus Loew, 1874 | Emory's globemallow |
| Holopogon sapphirus Martin, 1967 | |
| Holopogon seniculus Loew, 1866 | Scarlet globemallow |
| Holopogon snowi Back, 1909 | |
| Holopogon stellatus Martin, 1959 | Mojave cleomella |
| Holopogon umbrinus Back, 1909 | |
| Holopogon vockerothi Martin, 1959 | Mojave cleomella |
| Holopogon wilcoxi Martin, 1959 | Mojave cleomella |
| Hullia commoni Paramonov, 1964 | |
| Hyperechia consimilis Wood, 1874 | |
| Itolia atripes Wilcox, 1949 | |
| Itolia maculata Wilcox, 1936 | |
| Itolia timberlakei Wilcox, 1949 | |
| Lampria aurifex Osten-sacken, 1887 | |
| Lampria bicolor Wiedemann, 1828 | |
| Lampria clavipes Fabricius, 1805 | |
| Lampria felis (Osten Sacken, 1877) | ⇒ Laphria felis Osten-sacken, 1877 |
| Lampria macquarti Perty, 1833 | |
| Lampria rubriventris Macquart, 1834 | |
| Lampria spinipes Fabricius, 1805 | |
| Lamyra ignea Meigen, 1820 | |
| Laphria aeatus Walker, 1849 | Largeflower milkweed |
| Laphria affinis (Macquart, 1855) | ⇒ Lampria spinipes Fabricius, 1805 |
| Laphria aimatis Mcatee, 1919 | Purple bittercress |
| Laphria aktis Mcatee, 1919 | Purple bittercress |
| Laphria altitudinum Bromley, 1924 | |
| Laphria apila Bromley, 1951 | |
| Laphria asackeni Wilcox, 1965 | Prairie dodder |
| Laphria astur Osten-sacken, 1877 | |
| Laphria asturina Bromley, 1951 | |
| Laphria calvescenta Baker, 1975 | |
| Laphria canis Williston, 1883 | |
| Laphria carbonaria Snow, 1896 | |
| Laphria carolinensis Schiner, 1867 | Farwell's watermilfoil |
| Laphria champlainii Walton, 1910 | |
| Laphria cinerea Back, 1904 | |
| Laphria columbica Walker, 1866 | Mahogany milkweed |
| Laphria comata White, 1918 | |
| Laphria coquilletti Mcatee, 1919 | Purple bittercress |
| Laphria coquillettii (Mcatee, 1919) | ⇒ Laphria coquilletti Mcatee, 1919 |
| Laphria dispar (Coquillett, 1899) | ⇒ Laphria canis Williston, 1883 |
| Laphria divisor Banks, 1917 | |
| Laphria dizonias Loew, 1847 | |
| Laphria engelhardti Bromley, 1931 | |
| Laphria fattigi Bromley, 1951 | |
| Laphria felis Osten-sacken, 1877 | Black hawthorn |
| Laphria fernaldi Back, 1904 | |
| Laphria ferox Williston, 1883 | |
| Laphria flava Linnaeus, 1761 | Bumblebee robberfly |
| Laphria flavescens Macquart, 1838 | Melonleaf |
| Laphria flavicollis Say, 1824 | |
| Laphria flavipila Macquart, 1834 | White bryony |
| Laphria franciscana Bigot, 1878 | |
| Laphria georgina Wiedemann, 1821 | |
| Laphria gilva (Linnaeus, 1758) | ⇒ Lamyra ignea Meigen, 1820 |
| Laphria grossa Fabricius, 1775 | |
| Laphria huron Bromley, 1929 | |
| Laphria index Mcatee, 1919 | Purple bittercress |
| Laphria insignis Banks, 1917 | |
| Laphria ithypyga Mcatee, 1919 | Purple bittercress |
| Laphria janus Mcatee, 1919 | Purple bittercress |
| Laphria lasipes Wiedemann, 1828 | Shortstalk false bindweed |
| Laphria lata Macquart, 1850 | Ivy gourd |
| Laphria lukinsi Paramonov, 1958 | |
| Laphria macquarti (Banks, 1917) | ⇒ Lampria macquarti Perty, 1833 |
| Laphria melanogaster Wiedemann, 1821 | |
| Laphria milvina Bromley, 1929 | |
| Laphria nigella Bromley, 1934 | |
| Laphria partitor Banks, 1917 | |
| Laphria posticata Say, 1824 | |
| Laphria pubescens (Williston, 1883) | ⇒ Laphria sadales Walker, 1849 |
| Laphria rapax Osten-sacken, 1877 | |
| Laphria royalensis Bromley, 1950 | |
| Laphria rufifemorata Macquart, 1846 | |
| Laphria sackeni (Banks, 1917) | ⇒ Laphria asackeni Wilcox, 1965 |
| Laphria sacrator Walker, 1849 | Largeflower milkweed |
| Laphria sadales Walker, 1849 | Largeflower milkweed |
| Laphria saffrana Fabricius, 1805 | |
| Laphria scorpio Mcatee, 1919 | Purple bittercress |
| Laphria sericea Say, 1823 | |
| Laphria sicula Mcatee, 1919 | Purple bittercress |
| Laphria stygia (Bromley, 1931) | ⇒ Orthogonis stygia Bromley, 1931 |
| Laphria telecles Walker, 1849 | |
| Laphria thoracica Fabricius, 1805 | Bumble Bee Mimic Robber Fly |
| Laphria trux Mcatee, 1919 | Purple bittercress |
| Laphria unicolor Williston, 1883 | |
| Laphria ventralis Williston, 1885 | Pineland clustervine |
| Laphria virginica Banks, 1917 | |
| Laphria vivax Williston, 1883 | |
| Laphria vorax Bromley, 1929 | |
| Laphria vultur Osten-sacken, 1877 | |
| Laphria winnemana Mcatee, 1919 | Purple bittercress |
| Laphria xanthippe (Williston, 1883) | ⇒ Laphria felis Osten-sacken, 1877 |
| Laphystia actius Melander, 1923 | |
| Laphystia albiceps Macquart, 1846 | |
| Laphystia annulata Hull, 1957 | |
| Laphystia annulata annulata Hull, 1957 | |
| Laphystia annulata interrupta | |
| Laphystia bromleyi Wilcox, 1960 | |
| Laphystia brookmani Wilcox, 1960 | |
| Laphystia canadensis Curran, 1927 | |
| Laphystia cazieri Wilcox, 1960 | |
| Laphystia confusa Curran, 1927 | |
| Laphystia duncani Wilcox, 1960 | |
| Laphystia flavipes Coquillett, 1904 | |
| Laphystia howlandi Wilcox, 1960 | |
| Laphystia jamesi Wilcox, 1960 | |
| Laphystia laguna Wilcox, 1960 | |
| Laphystia lanhami James, 1941 | |
| Laphystia limatula Coquillett, 1904 | |
| Laphystia litoralis Curran, 1931 | |
| Laphystia martini Wilcox, 1960 | |
| Laphystia notata Bigot, 1878 | |
| Laphystia ochreifrons Curran, 1931 | |
| Laphystia opaca Coquillett, 1904 | |
| Laphystia rubra Hull, 1957 | |
| Laphystia rufiventris Curran, 1931 | |
| Laphystia rufofasciata Curran, 1931 | |
| Laphystia sexfasciata Say, 1823 | |
| Laphystia sillersi Hull, 1963 | Northern red oak |
| Laphystia snowi Wilcox, 1960 | |
| Laphystia texensis Curran, 1931 | |
| Laphystia tolandi Wilcox, 1960 | |
| Laphystia torpida Hull, 1957 | |
| Laphystia utahensis Wilcox, 1960 | |
| Laphystia varipes Curran, 1931 | |
| Lasiocnemus obscuripennis Loew, 1851 | |
| Lasiopogon actius (Melander, 1923) | ⇒ Laphystia actius Melander, 1923 |
| Lasiopogon albidus Cole & Wilcox, 1938 | |
| Lasiopogon aldrichii Melander, 1923 | Roadside false madwort |
| Lasiopogon apache Cannings, 2002 | |
| Lasiopogon appalachensis Cannings, 2002 | |
| Lasiopogon arenicola Osten-sacken, 1877 | |
| Lasiopogon arenicolus Osten Sacken, 1877 | |
| Lasiopogon aridus (Cole & Wilcox, 1938) | ⇒ Lasiopogon quadrivittatus Jones, 1907 |
| Lasiopogon bivittatus Loew, 1866 | Scarlet globemallow |
| Lasiopogon californicus Cole & Wilcox, 1938 | |
| Lasiopogon canus Cole & Wilcox, 1938 | |
| Lasiopogon carolinensis (Cole & Wilcox, 1938) | ⇒ Lasiopogon opaculus Loew, 1874 |
| Lasiopogon chaetosus Cole & Wilcox, 1938 | |
| Lasiopogon chrysotus Cannings, 2002 | |
| Lasiopogon cinereus Cole, 1919 | |
| Lasiopogon coconino Cannings, 2002 | |
| Lasiopogon currani Cole & Wilcox, 1938 | |
| Lasiopogon curranis Cole & Wilcox, 1938 | |
| Lasiopogon delicatulus Melander, 1923 | Roadside false madwort |
| Lasiopogon dimicki Cole & Wilcox, 1938 | |
| Lasiopogon drabicola Cole, 1916 | |
| Lasiopogon flammeus Cannings, 2002 | |
| Lasiopogon fumipennis Melander, 1923 | Roadside false madwort |
| Lasiopogon gabrieli Cole & Wilcox, 1938 | |
| Lasiopogon hinei Cole & Wilcox, 1938 | |
| Lasiopogon lavignei Cannings, 2002 | |
| Lasiopogon littoris Cole, 1924 | |
| Lasiopogon marshalli Cannings, 2002 | |
| Lasiopogon martinorum Cole & Wilcox, 1938 | |
| Lasiopogon monticola (Melander, 1923) | ⇒ Lasiopogon monticolus Melander, 1923 |
| Lasiopogon monticolus Melander, 1923 | Roadside false madwort |
| Lasiopogon oklahomensis Cole & Wilcox, 1938 | |
| Lasiopogon opaculus Loew, 1874 | Emory's globemallow |
| Lasiopogon pacificus Cole & Wilcox, 1938 | |
| Lasiopogon piestolophus Cannings, 2002 | |
| Lasiopogon polensis Lavigne, 1969 | |
| Lasiopogon pugeti Cole & Wilcox, 1938 | |
| Lasiopogon quadrivittatus Jones, 1907 | Hooker's silene |
| Lasiopogon ripicola (Melander, 1923) | ⇒ Lasiopogon ripicolus Melander, 1923 |
| Lasiopogon ripicolus Melander, 1923 | Roadside false madwort |
| Lasiopogon schizopygus Cannings, 2002 | |
| Lasiopogon shermani Cole & Wilcox, 1938 | |
| Lasiopogon shermanni Cole & Wilcox, 1938 | |
| Lasiopogon slossonae Cole & Wilcox, 1938 | |
| Lasiopogon terricola Johnson, 1900 | |
| Lasiopogon terricolus Johnson, 1900 | |
| Lasiopogon testaceus Cole & Wilcox, 1938 | |
| Lasiopogon tetragrammus Loew, 1874 | Emory's globemallow |
| Lasiopogon trivittatus Melander, 1923 | Roadside false madwort |
| Lasiopogon willametti Cole & Wilcox, 1938 | |
| Lasiopogon woodorum Cannings, 2002 | |
| Lasiopogon zonatus Cole & Wilcox, 1938 | |
| Leptarthrus vitripennis Meigen, 1820 | False slender-footed robberfly |
| Leptogaster aegra Martin, 1957 | MacBride cleomella |
| Leptogaster altacola Martin, 1957 | MacBride cleomella |
| Leptogaster arborcola Martin, 1957 | MacBride cleomella |
| Leptogaster arenicola James, 1937 | |
| Leptogaster arida Cole, 1919 | |
| Leptogaster atridorsalis Back, 1909 | |
| Leptogaster badius (Loew, 1862) | ⇒ Tipulogaster glabrata Wiedemann, 1828 |
| Leptogaster brevicornis Loew, 1872 | Juniper globemallow |
| Leptogaster californica Martin, 1957 | MacBride cleomella |
| Leptogaster carolinensis Schiner, 1866 | |
| Leptogaster coloradensis James, 1937 | |
| Leptogaster crinita Martin, 1957 | |
| Leptogaster cultaventris Martin, 1957 | MacBride cleomella |
| Leptogaster cylindrica (De Geer, 1776) | ⇒ Leptogaster guttiventris Zetterstedt, 1842 |
| Leptogaster eudicrana Loew, 1874 | Emory's globemallow |
| Leptogaster flavipes Loew, 1862 | Jone's globemallow |
| Leptogaster floridensis (Johnson, 1913) | ⇒ Beameromyia floridensis Johnson, 1913 |
| Leptogaster fornicata Martin, 1957 | MacBride cleomella |
| Leptogaster guttiventris Zetterstedt, 1842 | Dashed slender robberfly |
| Leptogaster hesperis Martin, 1957 | MacBride cleomella |
| Leptogaster hirtipes Coquillett, 1904 | |
| Leptogaster incisuralis Loew, 1862 | Jone's globemallow |
| Leptogaster lanata Martin, 1957 | MacBride cleomella |
| Leptogaster lerneri Curran, 1953 | |
| Leptogaster loewi (Banks, 1914) | ⇒ Leptogaster flavipes Loew, 1862 |
| Leptogaster murina Loew, 1862 | Jone's globemallow |
| Leptogaster murinus (Loew, 1862) | ⇒ Leptogaster murina Loew, 1862 |
| Leptogaster nitoris Martin, 1957 | MacBride cleomella |
| Leptogaster obscuripennis (Johnson, 1895) | ⇒ Lasiocnemus obscuripennis Loew, 1851 |
| Leptogaster obscuripes Loew, 1862 | Jone's globemallow |
| Leptogaster occidentalis White, 1914 | |
| Leptogaster panda Martin, 1957 | MacBride cleomella |
| Leptogaster parvoclava Martin, 1957 | MacBride cleomella |
| Leptogaster patula Martin, 1957 | MacBride cleomella |
| Leptogaster prior ♰ Melander, 1947 | |
| Leptogaster salvia Martin, 1957 | MacBride cleomella |
| Leptogaster schaefferi Back, 1909 | |
| Leptogaster texana Bromley, 1934 | |
| Leptogaster virgata Coquillett, 1904 | |
| Leptogaster virgatus (Coquillett, 1904) | ⇒ Leptogaster virgata Coquillett, 1904 |
| Leptopteromyia americana Hardy, 1947 | Thickleaf peperomia |
| Leptopteromyia mexicanae Martin, 1971 | Fly |
| Lestomyia atripes Wilcox, 1937 | |
| Lestomyia fraudiger (Williston, 1883) | ⇒ Lestomyia fraudigera Williston, 1883 |
| Lestomyia fraudigera Williston, 1883 | |
| Lestomyia miocenica ♰ James, 1939 | |
| Lestomyia montis Cole, 1916 | |
| Lestomyia redlandae (Cole, 1916) | ⇒ Lestomyia sabulona Osten-sacken, 1877 |
| Lestomyia sabulona Osten-sacken, 1877 | |
| Lestomyia strigipes Curran, 1931 | |
| Lestomyia unicolor Curran, 1942 | |
| Lochites punctata (Ashmead, 1887) | ⇒ Platykula albihirta Ashmead, 1887 |
| Lochites smithi (Schread, 1937) | ⇒ Torymoides smithi Schread, 1937 |
| Machimus adustus Martin, 1975 | |
| Machimus alticolus (Martin, 1975) | ⇒ Machimus latapex Martin, 1975 |
| Machimus antimachus Walker, 1849 | |
| Machimus aridalis Adisoemarto, 1967 | |
| Machimus atricapillus (Fallen, 1814) | ⇒ Tolmerus atricapillus Fallen, 1814 |
| Machimus autumnalis Banks, 1914 | |
| Machimus blantoni Bromley, 1940 | |
| Machimus callidus Williston, 1893 | |
| Machimus carolinae Martin & Wilcox, 1965 | |
| Machimus citus Hine, 1918 | |
| Machimus coleus Martin, 1975 | |
| Machimus convexus (Martin, 1975) | ⇒ Machimus latapex Martin, 1975 |
| Machimus davidsonae (Martin, 1975) | ⇒ Machimus sestertius Martin, 1975 |
| Machimus delusus Tucker, 1907 | |
| Machimus erythocnemius Hine, 1909 | |
| Machimus erythrocnemius Hine, 0 | |
| Machimus fattigi Bromley, 1940 | |
| Machimus floridensis Bromley, 1940 | |
| Machimus formosus Hine, 1918 | |
| Machimus frosti Bromley, 1950 | |
| Machimus gilvipes Hine, 1918 | |
| Machimus grantae Martin, 1975 | |
| Machimus griseus Hine, 1906 | Bluestem pricklypoppy |
| Machimus hinei Fisher and W..., 1987 | |
| Machimus hubbelli Bromley, 1950 | |
| Machimus johnsoni Hine, 1909 | |
| Machimus latapex Martin, 1975 | |
| Machimus latipex Martin, 1975 | |
| Machimus latipex alticolus | |
| Machimus latipex convexus | |
| Machimus lecythus Walker, 1849 | |
| Machimus longipenis Martin, 1975 | |
| Machimus maneei Hine, 1909 | |
| Machimus notatus Wiedemann, 1828 | |
| Machimus notialis Martin, 1975 | |
| Machimus novaescotiae Macquart, 1847 | |
| Machimus occidentalis Hine, 1909 | |
| Machimus paropus Walker, 1849 | |
| Machimus polyphemi Bullington &..., 1991 | |
| Machimus prairiensis Tucker, 1907 | Eryngo |
| Machimus sadyates Walker, 1849 | |
| Machimus sestertius Martin, 1975 | |
| Machimus sestertius davidsonae | |
| Machimus sestertius triton | |
| Machimus snowii Hine, 1909 | |
| Machimus stanfordae Martin, 1975 | |
| Machimus tenebrosus Williston, 1901 | |
| Machimus triton (Martin, 1975) | ⇒ Machimus sestertius Martin, 1975 |
| Machimus vescus Hine, 1918 | |
| Machimus virginicus Banks, 1920 | |
| Maira leei Paramonov, 1958 | |
| Mallophora atra Macquart, 1834 | Black Bee Killer |
| Mallophora bomboides Wiedemann, 1828 | |
| Mallophora fautrix Osten-sacken, 1887 | |
| Mallophora fulva (Banks, 1911) | ⇒ Mallophora orcina Wiedemann, 1828 |
| Mallophora guildiana (Williston, 1885) | ⇒ Megaphorus guildiana Williston, 1885 |
| Mallophora leschenaulti Macquart, 1838 | Melonleaf |
| Mallophora leschenaultii Macquart, 1838 | |
| Mallophora megachile (Coquillett, 1893) | ⇒ Megaphorus megachile Coquillett, 1893 |
| Mallophora orcina Wiedemann, 1828 | Southern Bee Killer |
| Mallophora rex (Bromley, 1925) | ⇒ Mallophora bomboides Wiedemann, 1828 |
| Mallophora thompsoni Artigas & An..., 1980 | |
| Mallophosa fulva | |
| Martintella lestes Williston, 1901 | |
| Mauropteron pelago Walker, 1849 | |
| Megaphorus acrus Curran, 1931 | |
| Megaphorus brunneus Cole, 1964 | |
| Megaphorus clausicellus Macquart, 1850 | |
| Megaphorus clausicellus intermedius | |
| Megaphorus flavidus Cole, 1964 | |
| Megaphorus frustra Cole & Pritc..., 1964 | |
| Megaphorus frustrus Pritchard, 1935 | |
| Megaphorus guildiana Williston, 1885 | |
| Megaphorus guildianus Williston, 1885 | |
| Megaphorus intermedius Tucker, 1907 | |
| Megaphorus laphroides Wiedemann, 1828 | |
| Megaphorus lascrucensis Cole, 1964 | |
| Megaphorus lascruensis Cole, 1964 | |
| Megaphorus martinorum Cole, 1964 | |
| Megaphorus megachile Coquillett, 1893 | |
| Megaphorus minutus Macquart, 1834 | |
| Megaphorus pallidus Johnson, 1958 | |
| Megaphorus prudens Pritchard, 1935 | |
| Megaphorus pulchra Pritchard, 1935 | |
| Megaphorus pulchrus Pritchard, 1935 | |
| Megaphorus willistoni Cole, 1964 | |
| Metadioctria parvula Coquillett, 1893 | |
| Metadioctria resplendens Loew, 1872 | |
| Metadioctria rubida Coquillett, 1893 | |
| Metapogon albulus (Melander, 1924) | ⇒ Coleomyia albula Melander, 1924 |
| Metapogon amargosae Wilcox, 1972 | Saltmarsh dodder |
| Metapogon carinatus Wilcox, 1964 | Bush-clover dodder |
| Metapogon gibber Williston, 1883 | |
| Metapogon gilvipes Coquillett, 1904 | |
| Metapogon hinei | |
| Metapogon holbrooki Wilcox, 1964 | Bush-clover dodder |
| Metapogon hurdi Wilcox, 1964 | Bush-clover dodder |
| Metapogon obispae Wilcox, 1972 | Saltmarsh dodder |
| Metapogon pictus Cole, 1916 | |
| Metapogon punctipennis Coquillett, 1904 | |
| Metapogon tarsalus Wilcox, 1964 | Bush-clover dodder |
| Metapogon tricellus Wilcox, 1964 | Bush-clover dodder |
| Microstylum destructum ♰ Cockerell, 1909 | |
| Microstylum galactodes Loew, 1866 | Scarlet globemallow |
| Microstylum morosum Loew, 1872 | Juniper globemallow |
| Microstylum pollens (Osten Sacken, 1878) | ⇒ Microstylum morosum Loew, 1872 |
| Microstylum wheeleri ♰ Cockerell, 1908 | |
| Myaptex vexillaria Artigas, 1970 | |
| Myelaphus lobicornis Osten-sacken, 1877 | |
| Myelaphus melas Bigot, 1882 | |
| Nannocyrtopogon antennatus Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon aristatus James, 1942 | |
| Nannocyrtopogon arnaudi Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon atripes Wilcox & Martin, 1936 | Tall dodder |
| Nannocyrtopogon bruneri Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon cerussatus Osten-sacken, 1877 | |
| Nannocyrtopogon crumbi Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon deserti Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon howlandi Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon inyoi Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon irvinei Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon irwini Wilcox & Martin, 1957 | |
| Nannocyrtopogon jbeameri Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon lestomyiformis Wilcox & Martin, 1936 | Tall dodder |
| Nannocyrtopogon mingusi Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon minutus Wilcox & Martin, 1936 | Tall dodder |
| Nannocyrtopogon monrovia Wilcox & Martin, 1936 | Tall dodder |
| Nannocyrtopogon neoculatus Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon nevadensis Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon nigricolor Coquillett, 1904 | |
| Nannocyrtopogon nitidus Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon oculatus Wilcox & Martin, 1936 | Tall dodder |
| Nannocyrtopogon richardsoni Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon sequoia Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon stonei Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon timberlakei Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon tolandi Wilcox & Martin, 1957 | Rope dodder |
| Nannocyrtopogon vanduzeei Wilcox & Martin, 1936 | Tall dodder |
| Nannocyrtopogon vandykei Wilcox & Martin, 1957 | Rope dodder |
| Nannodioctria albicornis Wilcox & Martin, 1941 | |
| Nannodioctria seminole Bromley, 1924 | |
| Negasilus astutus Williston, 1893 | |
| Negasilus belli Curran, 1934 | |
| Negasilus cumbipilosus Adisoemarto, 1967 | |
| Negasilus gramalis Adisoemarto, 1967 | |
| Negasilus platyceras Hine, 1922 | |
| Neoitamus affinis Williston, 1893 | |
| Neoitamus brevicomus Hine, 1909 | |
| Neoitamus coquilletti Hine., 1909 | |
| Neoitamus coquillettii Hine, 1909 | |
| Neoitamus cyanurus Loew, 1849 | Common awl robberfly |
| Neoitamus distinctus | |
| Neoitamus flavofemoratus Hine, 1909 | |
| Neoitamus hardyi (Bromley, 1938) | ⇒ Regasilus auriannulatus Hine, 1906 |
| Neoitamus orphne Walker, 1849 | Arizona milkweed |
| Neoitamus socius Loew, 1871 | |
| Neoitamus terminalis Hine, 1909 | |
| Neoitamus walkeri Daniels, 1989 | |
| Neolophonotus leptostylus Londt, 1988 | |
| Neolophonotus robustus Ricardo, 1922 | |
| Neolophonotus zopherus Londt, 1986 | |
| Neomochtherus albicomus Hine, 1909 | |
| Neomochtherus angustipennis Hine, 1909 | |
| Neomochtherus auricomus Hine, 1909 | |
| Neomochtherus californicus Hine, 1909 | |
| Neomochtherus comosus Hine, 1918 | |
| Neomochtherus flavipes Meigen, 1820 | |
| Neomochtherus hypopygialis Schaeffer, 1916 | |
| Neomochtherus idahoae Martin, 1975 | |
| Neomochtherus lassenae Martin, 1975 | |
| Neomochtherus latipennis Hine, 1909 | |
| Neomochtherus lepidus Hine, 1909 | |
| Neomochtherus montanus Hine, 1909 | |
| Neomochtherus olympiae (Martin, 1975) | ⇒ Neomochtherus willistoni Hine, 1909 |
| Neomochtherus oregonae (Martin, 1975) | ⇒ Neomochtherus californicus Hine, 1909 |
| Neomochtherus pallipes Meigen, 1820 | Devon Red-legged Robber Fly |
| Neomochtherus piceus Hine, 1909 | |
| Neomochtherus willistoni Hine, 1909 | |
| Neosaropogon (Lycotherates) harlequinus Hull, 1962 | |
| Neoscleropogon agave Walker, 1849 | |
| Neoscleropogon digentius Walker, 1849 | |
| Neoscleropogon nicoteles Walker, 1849 | |
| Neoscleropogon thalpius Walker, 1849 | |
| Nerax aestuans Linnaeus, 1763 | |
| Nerax antiphon Walker, 1849 | |
| Nerax apicalis Wiedemann, 1821 | |
| Nerax aurimystaceus Hine, 1919 | |
| Nerax beameri Wilcox, 1966 | |
| Nerax belfragei Hine, 1919 | |
| Nerax femoratus Macquart, 1838 | |
| Nerax forbesi Curran, 1931 | |
| Nerax kansensis Hine, 1919 | |
| Nerax kondratieffi Bullington &..., 1984 | |
| Nerax labidophorus Wiedemann, 1828 | |
| Nerax macrolabis Wiedemann, 1828 | |
| Nerax portoricensis Hine, 1919 | |
| Nerax slossonae Hine, 1919 | |
| Nerax stylatus Fabricius, 1775 | |
| Nerax tabescens Banks, 1919 | |
| Nevadasilus auriannulatus | |
| Nevadasilus blantoni Bromley, 1951 | |
| Nicocles abdominalis Williston, 1883 | |
| Nicocles aemulator Loew, 1872 | |
| Nicocles argentatus Coquillett, 1893 | |
| Nicocles bromleyi Hardy, 1943 | |
| Nicocles canadensis Curran, 1923 | |
| Nicocles dives Loew, 1866 | |
| Nicocles engelhardti Wilcox, 1946 | Cochise dodder |
| Nicocles lomae Cole, 1916 | |
| Nicocles miocenicus ♰ Cockerell, 1909 | |
| Nicocles pictus Loew, 1866 | |
| Nicocles politus Say, 1823 | |
| Nicocles pollinosus Wilcox, 1946 | |
| Nicocles punctipennis (Melander, 1924) | ⇒ Nicocles utahensis Banks, 1920 |
| Nicocles reinhardi Bromley, 1934 | |
| Nicocles rufus Williston, 1883 | |
| Nicocles utahensis Banks, 1920 | |
| Nusa cruenta (Mcatee, 1919) | ⇒ Andrenosoma cruentum Mcatee, 1919 |
| Nusa sicaria (Mcatee, 1919) | ⇒ Andrenosoma sicarium Mcatee, 1919 |
| Nyximyia nigra Hull, 1962 | |
| Ommatius ademon Walker, 1849 | |
| Ommatius baboquivari Wilcox, 1936 | |
| Ommatius beameri Wilcox, 1936 | |
| Ommatius bromleyi Pritchard, 1935 | Gypsum milk-vetch |
| Ommatius chrysopilus Oldroyd, 1972 | |
| Ommatius dignus Scarbrough, 2000 | |
| Ommatius falcatus Scarbrough, 1984 | |
| Ommatius floridensis Bullington &..., 1984 | |
| Ommatius gemma Brimley, 1928 | |
| Ommatius humatus Scarbrough, 1993 | |
| Ommatius lema Walker, 1849 | |
| Ommatius maculatus Banks, 1911 | |
| Ommatius marginellus Fabricius, 1781 | |
| Ommatius monensis Scarbrough, 1984 | |
| Ommatius oklahomensis Bullington &..., 1984 | |
| Ommatius orus Oldroyd, 1968 | |
| Ommatius ouachitensis Bullington &..., 1984 | |
| Ommatius parvulus Schaeffer, 1916 | Sidebeak pencilflower |
| Ommatius pretiosus Banks, 1911 | |
| Ommatius pygommatius | |
| Ommatius setiferous Scarbrough, 1988 | |
| Ommatius texanus Bullington &..., 1984 | |
| Ommatius tibialis Say, 1823 | |
| Ommatius wilcoxi Bullington &..., 1984 | |
| Omninablautus arenosus Pritchard, 1935 | Gypsum milk-vetch |
| Omninablautus nigripes Wilcox, 1966 | |
| Omninablautus nigronotum Wilcox, 1935 | |
| Omninablautus tolandi Wilcox, 1966 | |
| Opseostlengis insignis White, 1914 | |
| Orophotus montanus Ricardo, 1922 | |
| Orrhodops americanus Curran, 1930 | |
| Orthogonis clavata White, 1914 | |
| Orthogonis stygia Bromley, 1931 | |
| Ospriocerus abdominalis Say, 1823 | |
| Ospriocerus aeacides (Loew, 1866) | ⇒ Stenopogon aeacus Wiedemann, 1828 |
| Ospriocerus aeacidinus Williston, 1886 | |
| Ospriocerus aeacus Wiedemann, 1828 | |
| Ospriocerus arizonensis Bromley, 1937 | |
| Ospriocerus brevis Martin, 1968 | |
| Ospriocerus ebyi Bromley, 1937 | |
| Ospriocerus eutrophus (Loew, 1874) | ⇒ Stenopogon rhadamanthus Loew, 1866 |
| Ospriocerus galadae Martin, 1968 | |
| Ospriocerus latipennis Loew, 1866 | |
| Ospriocerus longulus Loew, 1866 | |
| Ospriocerus minos (Osten-sacken, 1887) | ⇒ Stenopogon minos Osten Sacken, 1877 |
| Ospriocerus monki (Bromley, 1934) | ⇒ Ospriocerus nitens Coquillett, 1904 |
| Ospriocerus nitens Coquillett, 1904 | |
| Ospriocerus parksi Bromley, 1934 | |
| Ospriocerus pumilus Coquillett, 1904 | |
| Ospriocerus rhadamanthus Loew, 1866 | Scarlet globemallow |
| Ospriocerus tenebrosus Coquillett, 1904 | |
| Ospriocerus tequilae (Martin, 1968) | ⇒ Stenopogon tequilae Martin, 1968 |
| Ospriocerus tinkhami Bromley, 1951 | |
| Ospriocerus vallensis Martin, 1968 | |
| Ospriocerus ventralis (Coquillett, 1898) | ⇒ Stenopogon aeacus Wiedemann, 1828 |
| Ospriocerus villus Martin, 1968 | |
| Palaeomolobra antiqua ♰ James, 1939 | |
| Palaeomolobra borealis ♰ M. T. James, 1939 | |
| Parataracticus cuyamus Wilcox, 1967 | |
| Parataracticus melanderi Wilcox, 1967 | |
| Parataracticus niger Martin, 1955 | Chiricahua Mountain stinkweed |
| Parataracticus rubens Coquillett, 1904 | |
| Parataracticus rubidus Cole, 1924 | |
| Parataracticus wyliei Martin, 1955 | Chiricahua Mountain stinkweed |
| Pegesimallus oralis Wulp, 1884 | |
| Perasis argentifacies Williston, 1901 | |
| Phellus glaucus Walker, 1851 | |
| Phellus olgae Paramonov, 1953 | Giant robber fly |
| Phellus piliferus Dakin & Fordham, 1922 | |
| Philonicus arizonensis Williston, 1893 | |
| Philonicus fuscatus Hine, 1909 | |
| Philonicus limpidipennis Hine, 1909 | |
| Philonicus obscurus (Hine, 1907) | ⇒ Philonicus fuscatus Hine, 1909 |
| Philonicus persimilis Banks, 1920 | |
| Philonicus plebeius Osten-sacken, 1887 | Black hawthorn |
| Philonicus rufipennis Hine, 1907 | Bluestem pricklypoppy |
| Philonicus saxorum ♰ James, 1939 | |
| Philonicus truquii Bellardi, 1861 | |
| Plesiomma unicolor Loew, 1866 | Scarlet globemallow |
| Pogonioefferia anza Forbes, 1988 | |
| Pogonioefferia argentifrons Hine, 1911 | |
| Pogonioefferia argyrosoma Hine, 1911 | |
| Pogonioefferia auripila Hine, 1916 | |
| Pogonioefferia basini Wilcox, 1966 | |
| Pogonioefferia benedicti Bromley, 1940 | |
| Pogonioefferia bexarensis Bromley, 1934 | |
| Pogonioefferia bicaudata Hine, 1919 | |
| Pogonioefferia cabeza Wilcox, 1966 | |
| Pogonioefferia californicus Schaeffer, 1916 | |
| Pogonioefferia cana Hine, 1916 | |
| Pogonioefferia canella Bromley, 1934 | |
| Pogonioefferia clementei Wilcox & Martin, 1945 | |
| Pogonioefferia coquilletti Hine, 1919 | |
| Pogonioefferia deserti Wilcox, 1966 | |
| Pogonioefferia dubius Williston, 1885 | |
| Pogonioefferia ehrenbergi Wilcox, 1966 | |
| Pogonioefferia frewingi Wilcox, 1966 | |
| Pogonioefferia helenae Bromley, 1951 | |
| Pogonioefferia inflata Hine, 1911 | |
| Pogonioefferia kelloggi Wilcox, 1966 | |
| Pogonioefferia mesquite Bromley, 1951 | |
| Pogonioefferia monki Bromley, 1951 | |
| Pogonioefferia mortensoni Wilcox, 1966 | |
| Pogonioefferia nemoralis Hine, 1911 | |
| Pogonioefferia neoinflata Wilcox, 1966 | |
| Pogonioefferia pallidula Hine, 1911 | |
| Pogonioefferia parkeri Wilcox, 1966 | |
| Pogonioefferia pilosus Hine, 1919 | |
| Pogonioefferia plena Hine, 1916 | |
| Pogonioefferia pogonias Wiedemann, 1821 | |
| Pogonioefferia prairiensis Bromley, 1934 | |
| Pogonioefferia rapax Osten-sacken, 1887 | |
| Pogonioefferia staminea Williston, 1885 | |
| Pogonioefferia texana Banks, 1919 | |
| Pogonioefferia triton Osten-sacken, 1887 | |
| Pogonioefferia truncata Hine, 1911 | |
| Pogonioefferia utahensis Bromley, 1937 | |
| Pogonioefferia varipes Williston, 1885 | |
| Pogonioefferia wilcoxi Bromley, 1940 | |
| Pogonioefferia yermo Wilcox, 1966 | |
| Pogonioefferia yuma Wilcox, 1966 | |
| Pogonosoma dorsatum Say, 1824 | |
| Pogonosoma ridingsi Cresson, 1920 | |
| Polacantha arcuata Martin, 1975 | |
| Polacantha composita Hine, 1918 | |
| Polacantha gracilis Wiedemann, 1828 | |
| Polacantha grossa Martin, 1975 | |
| Polacantha pegma Martin, 1975 | |
| Polacantha sinuosa Martin, 1975 | |
| Pritchardomyia vespoides Bigot, 1878 | |
| Proagonistes ufens Walker, 1849 | |
| Proctacanthella cacopiloga Hine, 1909 | |
| Proctacanthella exquisita Osten-sacken, 1887 | |
| Proctacanthella leucopogon Williston, 1893 | |
| Proctacanthella robusta Bromley, 1951 | |
| Proctacanthella tolandi Wilcox, 1965 | Prairie dodder |
| Proctacanthella wilcoxi Bromley, 1935 | |
| Proctacanthus brevipennis Wiedemann, 1828 | |
| Proctacanthus bromleyi Curran, 1931 | |
| Proctacanthus coquillettii Hine, 1911 | Chisos Mountain pricklypoppy |
| Proctacanthus danforthi Curran, 1951 | |
| Proctacanthus distinctus Wiedemann, 1828 | |
| Proctacanthus duryi Hine, 1911 | Chisos Mountain pricklypoppy |
| Proctacanthus fulviventris Macquart, 1850 | Ivy gourd |
| Proctacanthus gracilis Bromley, 1928 | |
| Proctacanthus heros Wiedemann, 1828 | |
| Proctacanthus hinei Bromley, 1928 | |
| Proctacanthus longus Wiedemann, 1821 | |
| Proctacanthus micans Schiner, 1867 | Farwell's watermilfoil |
| Proctacanthus milbertii Macquart, 1838 | Melonleaf |
| Proctacanthus nearno Martin, 1962 | Rocky Mountain stickweed |
| Proctacanthus nigriventris Macquart, 1838 | Melonleaf |
| Proctacanthus nigrofemoratus Hine, 1911 | Chisos Mountain pricklypoppy |
| Proctacanthus occidentalis Hine, 1911 | |
| Proctacanthus philadelphicus Macquart, 1838 | Melonleaf |
| Proctacanthus rodecki James, 1933 | Engelmann's hedgehog cactus |
| Proctacanthus rufus Williston, 1885 | Pineland clustervine |
| Proctacanthus vittatus Olivier, 1789 | |
| Proctocantha coquillettii | |
| Proctocantha leucopogon | |
| Proctocanthella tolandi | |
| Prolatiforceps fulviventris Schaeffer, 1916 | |
| Prolatiforceps thulia Martin, 1975 | |
| Prolepsis tristis Walker, 1851 | |
| Promachella pilosa Wilcox, 1937 | |
| Promachus albicinctus Ricardo, 1900 | |
| Promachus albifacies Williston, 1885 | Pineland clustervine |
| Promachus aldrichii Hine, 1911 | Chisos Mountain pricklypoppy |
| Promachus atrox Bromley, 1940 | |
| Promachus bastardii Macquart, 1838 | |
| Promachus dimidiatus Curran, 1927 | |
| Promachus fitchii Osten-sacken, 1878 | |
| Promachus giganteus Hine, 1911 | Chisos Mountain pricklypoppy |
| Promachus hinei Bromley, 1931 | |
| Promachus magnus Bellardi, 1861 | |
| Promachus minusculus Hine, 1911 | Chisos Mountain pricklypoppy |
| Promachus nigrialbus Martin, 1970 | |
| Promachus nigripes (Hine, 1911) | ⇒ Promachus nigrialbus Martin, 1970 |
| Promachus nigropilosus Schaeffer, 1916 | Sidebeak pencilflower |
| Promachus oceanius Kocak & Kemal, 2008 | |
| Promachus oklahomensis Pritchard, 1935 | Gypsum milk-vetch |
| Promachus painteri Bromley, 1934 | |
| Promachus perpusilla Walker, 1851 | |
| Promachus princeps Williston, 1885 | Pineland clustervine |
| Promachus quadratus Wiedemann, 1821 | |
| Promachus rubripes Macquart, 1834 | |
| Promachus rufipes Fabricius, 1775 | Red-footed cannibal fly |
| Promachus sackeni Hine, 1911 | Chisos Mountain pricklypoppy |
| Promachus texanus Bromley, 1934 | |
| Promachus truquii Bellardi, 1861 | |
| Promachus vertebratus Say, 1823 | |
| Pseudoryclus bicolor Bellardi, 1861 | |
| Psilocurus birdi Curran, 1931 | |
| Psilocurus birdi birdi | |
| Psilocurus birdi pallustris | |
| Psilocurus modestus Williston, 1893 | |
| Psilocurus nudiusculus Loew, 1874 | Emory's globemallow |
| Psilocurus pallustris (Hull, 1961) | ⇒ Psilocurus birdi Curran, 1931 |
| Psilocurus puellus Bromley, 1934 | |
| Psilocurus pygmaeus Hull, 1961 | |
| Psilocurus reinhardi Bromley, 1951 | |
| Psilocurus tibialis Hull, 1961 | |
| Psilonyx annulatus Say, 1823 | |
| Psilozona albitarsis Ricardo, 1912 | |
| Psilozona lukinsi Paramonov, 1966 | |
| Pycnopogon cirrhatus (Osten Sacken, 1877) | ⇒ Heteropogon cirrhatus Osten-sacken, 1877 |
| Pygommatius dasypogon Oldroyd, 1939 | |
| Questopogon affinis Daniels, 1976 | |
| Questopogon clarkii Dakin & Fordham, 1922 | |
| Questopogon guttatus Daniels, 1976 | |
| Rachiopogon rubescens White, 1914 | |
| Reburrus aquilonius Daniels, 1987 | |
| Regasilus auriannulatus Hine, 1906 | |
| Regasilus blantoni Bromley, 1951 | |
| Rhadiurgus variabilis Zetterstedt, 1838 | Northern robberfly |
| Saropogon (Lycomax) flavofacialis Hull, 1956 | |
| Saropogon abbreviatus Johnson, 1903 | |
| Saropogon albifrons Back, 1904 | |
| Saropogon bicolor (Jaennicke, 1867) | ⇒ Diogmites bicolor Jaennicke, 1867 |
| Saropogon birdi Curran, 1931 | |
| Saropogon bryanti Wilcox, 1966 | Smartweed dodder |
| Saropogon combustus Loew, 1874 | Emory's globemallow |
| Saropogon coquilletti Back, 1909 | |
| Saropogon coquillettii Back, 1909 | |
| Saropogon dispar Coquillett, 1902 | |
| Saropogon elegans | |
| Saropogon fletcheri Bromley, 1934 | |
| Saropogon hyalinus Coquillett, 1904 | |
| Saropogon hypomelas Loew, 1866 | |
| Saropogon laparoides Bromley, 1951 | |
| Saropogon luteus Coquillett, 1904 | |
| Saropogon mohawki Wilcox, 1966 | Smartweed dodder |
| Saropogon nitidus Wilcox, 1966 | Smartweed dodder |
| Saropogon oblitescens ♰ Cockerell, 1914 | |
| Saropogon pritchardi Bromley, 1934 | |
| Saropogon purus Curran, 1930 | |
| Saropogon rufus (Back, 1904) | ⇒ Saropogon luteus Coquillett, 1904 |
| Saropogon sculleni (Wilcox, 1966) | ⇒ Saropogon laparoides Bromley, 1951 |
| Saropogon semiustus Coquillett, 1904 | |
| Saropogon senex Osten-sacken, 1887 | |
| Saropogon solus Bromley, 1951 | |
| Scarbroughia delicatula Hine, 1918 | |
| Scleropogon bradleyi Bromley, 1937 | |
| Scleropogon cinerascens Back, 1909 | |
| Scleropogon coyote Bromley, 1931 | |
| Scleropogon dispar Bromley, 1937 | |
| Scleropogon duncani Bromley, 1937 | |
| Scleropogon floridensis Bromley, 1951 | |
| Scleropogon haigi Wilcox, 1971 | Runyon's dodder |
| Scleropogon helvolus Loew, 1874 | Emory's globemallow |
| Scleropogon huachucanus Hardy, 1942 | |
| Scleropogon indistinctus Bromley, 1937 | |
| Scleropogon jubatus (Coquillett, 1904) | ⇒ Stenopogon jubatus Coquillett, 1904 |
| Scleropogon kelloggi Wilcox, 1937 | |
| Scleropogon neglectus Bromley, 1931 | |
| Scleropogon picticornis Loew, 1866 | Scarlet globemallow |
| Scleropogon similis Jones, 1907 | Hooker's silene |
| Scleropogon subulatus Wiedemann, 1828 | |
| Scleropogon texanus Bromley, 1931 | |
| Scleropogon uhleri Banks, 1920 | |
| Senobasis antiqua James, 1939 | |
| Senobasis borealis James, 1939 | |
| Senoprosopis (Eosenoprosopis) antiquus ♰ M. T. James, 1939 | |
| Senoprosopis (Eosenoprosopis) borealis ♰ James, 1939 | |
| Senoprosopis (Eosenoprosopis) romeri ♰ Hull, 1958 | |
| Senoprosopis beckeri ♰ Lewis, 1972 | |
| Senoprosopis eureka ♰ Melander, 1949 | |
| Sintoria cazieri Wilcox, 1972 | Saltmarsh dodder |
| Sintoria cyanea Wilcox, 1972 | Saltmarsh dodder |
| Sintoria mojavae (Wilcox, 1972) | ⇒ Sintoria cyanea Wilcox, 1972 |
| Sintoria pappi Wilcox, 1972 | Saltmarsh dodder |
| Stackelberginia cerberus Mcknight & C..., 2017 | |
| Stenocinclis anomala ♰ Scudder, 1878 | |
| Stenopogon adelantae Wilcox, 1971 | Runyon's dodder |
| Stenopogon aeacidinus (Williston, 1886) | ⇒ Ospriocerus aeacidinus Williston, 1886 |
| Stenopogon aeacus Wiedemann, 1828 | |
| Stenopogon albibasis Bigot, 1878 | |
| Stenopogon antoniae Wilcox, 1971 | Runyon's dodder |
| Stenopogon bakeri Wilcox, 1971 | Runyon's dodder |
| Stenopogon bartonae Wilcox, 1971 | Runyon's dodder |
| Stenopogon blaisdelli Wilcox, 1971 | Runyon's dodder |
| Stenopogon boharti Bromley, 1951 | |
| Stenopogon bradleyi (Bromley, 1937) | ⇒ Scleropogon bradleyi Bromley, 1937 |
| Stenopogon brevis Martin, 1968 | |
| Stenopogon breviusculoides Bromley, 1937 | |
| Stenopogon breviusculus Loew, 1872 | Juniper globemallow |
| Stenopogon bromleyi Wilcox, 1971 | Runyon's dodder |
| Stenopogon brookmani Wilcox, 1971 | Runyon's dodder |
| Stenopogon californiae Walker, 1849 | |
| Stenopogon californioides Bromley, 1937 | |
| Stenopogon cazieri Brookman, 1941 | |
| Stenopogon cinerascens (Back, 1909) | ⇒ Scleropogon cinerascens Back, 1909 |
| Stenopogon consanguineus (Loew, 1866) | ⇒ Ospriocerus latipennis Loew, 1866 |
| Stenopogon coyote (Bromley, 1931) | ⇒ Scleropogon coyote Bromley, 1931 |
| Stenopogon diablae Wilcox, 1971 | Runyon's dodder |
| Stenopogon duncani (Bromley, 1937) | ⇒ Scleropogon duncani Bromley, 1937 |
| Stenopogon ebyi (Bromley, 1937) | ⇒ Ospriocerus ebyi Bromley, 1937 |
| Stenopogon engelhardti Bromley, 1937 | |
| Stenopogon englandi Wilcox, 1971 | Runyon's dodder |
| Stenopogon felis Bromley, 1931 | |
| Stenopogon figueroae Wilcox, 1971 | Runyon's dodder |
| Stenopogon galadae Martin, 1968 | |
| Stenopogon graminis Lavigne & De..., 2019 | |
| Stenopogon gratus Loew, 1872 | Juniper globemallow |
| Stenopogon indistinctus (Bromley, 1937) | ⇒ Scleropogon indistinctus Bromley, 1937 |
| Stenopogon inquinatus Loew, 1866 | Scarlet globemallow |
| Stenopogon inyae Wilcox, 1971 | Runyon's dodder |
| Stenopogon jubatoides Bromley, 1937 | |
| Stenopogon jubatus Coquillett, 1904 | |
| Stenopogon jurupae Wilcox, 1971 | Runyon's dodder |
| Stenopogon kirkwoodi Wilcox, 1971 | Runyon's dodder |
| Stenopogon laevigatus melanostolus | |
| Stenopogon latipennis (Loew, 1866) | ⇒ Ospriocerus latipennis Loew, 1866 |
| Stenopogon linsleyi Wilcox, 1971 | Runyon's dodder |
| Stenopogon lomae Wilcox, 1971 | Runyon's dodder |
| Stenopogon longulus (Loew, 1866) | ⇒ Ospriocerus longulus Loew, 1866 |
| Stenopogon macswaini Wilcox, 1971 | Runyon's dodder |
| Stenopogon martini Bromley, 1937 | |
| Stenopogon melanderi Wilcox, 1971 | Runyon's dodder |
| Stenopogon minos Osten Sacken, 1877 | |
| Stenopogon mojavae Wilcox, 1971 | Runyon's dodder |
| Stenopogon morosus (Loew, 1874) | ⇒ Stenopogon inquinatus Loew, 1866 |
| Stenopogon neglectus (Bromley, 1931) | ⇒ Scleropogon neglectus Bromley, 1931 |
| Stenopogon neojubatus Wilcox & Martin, 1945 | Bushclover dodder |
| Stenopogon nigritulus Coquillett, 1904 | |
| Stenopogon nitens (Coquillett, 1904) | ⇒ Ospriocerus nitens Coquillett, 1904 |
| Stenopogon obispae Wilcox, 1971 | Runyon's dodder |
| Stenopogon obscuriventris Loew, 1872 | Juniper globemallow |
| Stenopogon ozenae Wilcox, 1971 | Runyon's dodder |
| Stenopogon parksi Bromley, 1934 | |
| Stenopogon pinyonae Wilcox, 1971 | Runyon's dodder |
| Stenopogon powelli Wilcox, 1971 | Runyon's dodder |
| Stenopogon propinquus Bromley, 1937 | |
| Stenopogon pumilus (Coquillett, 1904) | ⇒ Ospriocerus pumilus Coquillett, 1904 |
| Stenopogon rafaelae Wilcox, 1971 | Runyon's dodder |
| Stenopogon rhadamanthus Loew, 1866 | |
| Stenopogon rufibarbis Bromley, 1931 | |
| Stenopogon rufibarboides Bromley, 1937 | |
| Stenopogon tenebrosus (Coquillett, 1904) | ⇒ Ospriocerus tenebrosus Coquillett, 1904 |
| Stenopogon tequilae Martin, 1968 | |
| Stenopogon texanus (Bromley, 1931) | ⇒ Scleropogon texanus Bromley, 1931 |
| Stenopogon timberlakei (Bromley, 1937) | ⇒ Stenopogon obscuriventris Loew, 1872 |
| Stenopogon tolandi Wilcox, 1971 | Runyon's dodder |
| Stenopogon uhleri (Banks, 1920) | ⇒ Scleropogon uhleri Banks, 1920 |
| Stenopogon univittatus (Loew, 1872) | ⇒ Stenopogon gratus Loew, 1872 |
| Stenopogon utahensis Bromley, 1951 | |
| Stenopogon vallensis Martin, 1968 | |
| Stenopogon villus Martin, 1968 | |
| Stenopogon wilcoxi Bromley, 1937 | |
| Stenopogon williamsi Wilcox, 1971 | Runyon's dodder |
| Stichopogon abdominalis Back, 1909 | |
| Stichopogon arenicola (Wilcox, 1936) | ⇒ Stichopogon arenicolus Wilcox, 1936 |
| Stichopogon arenicolus Wilcox, 1936 | |
| Stichopogon argenteus Say, 1823 | |
| Stichopogon catulus Osten-sacken, 1887 | |
| Stichopogon colei Bromley, 1934 | |
| Stichopogon coquilletti Bezzi, 1910 | |
| Stichopogon coquillettii Bezzi, 1910 | |
| Stichopogon fragilis Back, 1909 | |
| Stichopogon pritchardi Bromley, 1951 | |
| Stichopogon punctus Loew, 1851 | |
| Stichopogon sabroskyi | |
| Stichopogon salinus Melander, 1924 | |
| Stichopogon trifasciatus Say, 1823 | Three-banded Robber Fly |
| Stilpnogaster auriannulatus (Hine, 1906) | ⇒ Regasilus auriannulatus Hine, 1906 |
| Systellogaster gahani Wallace, 1973 | |
| Systellogaster ovivora Gahan, 1917 | |
| Taracticus contusus ♰ Cockerell, 1910 | |
| Taracticus hypogaeus ♰ Cockerell, 1909 | |
| Taracticus octopunctatus Say, 1823 | |
| Taracticus paulus Pritchard, 1938 | Hall's milkvetch |
| Taracticus renovatus ♰ Cockerell, 1911 | |
| Taracticus ruficaudus Curran, 1930 | |
| Tipulogaster glabrata Wiedemann, 1828 | |
| Tolmerus alamosae Martin, 1975 | |
| Tolmerus maneei Hine, 1909 | |
| Tolmerus pawaneeae Martin, 1975 | |
| Townsendia albomacula Martin, 1966 | Twisted cleomella |
| Townsendia arenicola Scarbrough, 1995 | |
| Townsendia argyrata Curran, 1926 | |
| Townsendia dilata Martin, 1966 | Twisted cleomella |
| Townsendia nigra Back, 1909 | |
| Townsendia pulcherrima Back, 1909 | |
| Triorla interrupta Macquart, 1834 | |
| Triorla tibialis Macquart, 1838 | |
| Triorla vicinus Macquart, 1846 | |
| Tuberculefferia producta Hine, 1919 | |
| Tuberculefferia setigera Wilcox, 1966 | |
| Tuberculefferia spiniventris Hine, 1919 | |
| Tuberculefferia tuberculata (Coquillett, 1904) | ⇒ Efferia tuberculata Coquillett, 1904 |
| Tuberculefferia tucsoni Wilcox, 1966 | |
| Valiraptor montanus Londt, 2002 | |
| Wilcoxia cinerea James, 1941 | |
| Wilcoxia martinorum Wilcox, 1972 | Saltmarsh dodder |
| Wilcoxia monae Wilcox, 1972 | Saltmarsh dodder |
| Wilcoxia painteri Wilcox, 1972 | Saltmarsh dodder |
| Wilcoxia pollinosa Wilcox, 1972 | Saltmarsh dodder |
| Wilcoxius mydas Brauer, 1885 | |
| Willistonina bilineata Williston, 1883 | |
| Willistonina bilineata nigrofemorata Wilcox, 1935 | |
| Willistonina bilineatus Williston, 1883 | |
| Willistonina nigrofemorata (Wilcox, 1935) | ⇒ Willistonina bilineatus Williston, 1883 |
| Wyliea mydas Brauer, 1885 | |
| Zabrops argutus Fisher, 1977 | |
| Zabrops arroyalis Fisher, 1977 | |
| Zabrops flavipilis Jones, 1907 | |
| Zabrops playalis Fisher, 1977 | |
| Zabrops tagax Williston, 1883 | |
| Zabrops tagax argutus | |
| Zabrops wilcoxi Fisher, 1977 | |
| Zabrops wilcoxi arroyalis | |
| Zabrops wilcoxi playalis | |
| Zosteria fulvipubescens Macquart, 1850 | |
| Zosteria hispida Daniels, 1987 | |
| Zosteria montana Daniels, 1987 | |
| Zosteria murina Macquart, 1838 | |
