| Agkistrocerus finitma Stone, 1938 | |
| Agkistrocerus megerlei Wiedemann, 1828 | |
| Atylotus bicolor Wiedemann, 1821 | |
| Atylotus calcar Teskey, 1983 | Holywood |
| Atylotus duplex Walker, 1854 | |
| Atylotus hyalicosta Teskey, 1983 | Caltrop |
| Atylotus incisuralis Macquart, 1847 | |
| Atylotus intermedius (Walker, 1848) | ⇒ Atylotus intermissus Tendeiro, 1969 |
| Atylotus intermissus Tendeiro, 1969 | |
| Atylotus ohioensis Hine, 1901 | |
| Atylotus palus Teskey, 1983 | Caltrop |
| Atylotus petiolateinus Leclercq, 1967 | |
| Atylotus sphagnicolus Teskey, 1983 | |
| Atylotus sublunaticornis Zetterstedt, 1842 | White-haired Horse Fly |
| Atylotus thoracicus Hine, 1900 | |
| Atylotus tingaureus Philip, 1936 | |
| Atylotus woodi Pechuman, 1981 | Alaska blackberry |
| Hamatabanus annularis Hine, 1917 | |
| Hamatabanus carolinensis Macquart, 1838 | |
| Hamatabanus sexfasciata Stone, 1935 | |
| Hybomitra aasa Philip, 1954 | |
| Hybomitra aatos Philip, 1941 | |
| Hybomitra aequetincta Becker, 1900 | |
| Hybomitra affinis Kirby, 1837 | |
| Hybomitra agora Teskey & al., 1987 | Rocky Mountain Horse Fly |
| Hybomitra arpadi Szilady, 1923 | |
| Hybomitra astutus Osten Sacken, 1876 | |
| Hybomitra atrobasis McDunnough, 1921 | |
| Hybomitra aurilimbus Stone, 1938 | |
| Hybomitra brennani Stone, 1938 | |
| Hybomitra californicus Marten, 1882 | |
| Hybomitra captonis Marten, 1882 | |
| Hybomitra cinctus Fabricius, 1794 | |
| Hybomitra comes Walker, 1849 | |
| Hybomitra criddlei Brooks, 1946 | |
| Hybomitra daeckei Hine, 1917 | |
| Hybomitra difficilis Wiedemann, 1828 | |
| Hybomitra enigmatica Teskey, 1982 | Texas lignum-vitae |
| Hybomitra epistates Osten Sacken, 1878 | Horse fly |
| Hybomitra fattigi Philip, 1966 | Bride's feathers |
| Hybomitra frenchii Marten, 1883 | |
| Hybomitra frontalis Walker, 1848 | Boreal Horse Fly |
| Hybomitra frosti Pechuman, 1960 | Peaty dewberry |
| Hybomitra fulvilateralis Macquart, 1838 | |
| Hybomitra hearlei Philip, 1936 | |
| Hybomitra hinei Johnson, 1904 | |
| Hybomitra illotus Osten Sacken, 1876 | |
| Hybomitra itasca Philip, 1936 | Timid Horse Fly |
| Hybomitra laniferus McDunnough, 1922 | |
| Hybomitra lasiophthalmus Macquart, 1838 | |
| Hybomitra laticallus Philip, 1936 | |
| Hybomitra liorhinus Philip, 1936 | |
| Hybomitra longiglossa Philip, 1931 | |
| Hybomitra luridus Fallen, 1817 | |
| Hybomitra melanorhina Bigot, 1892 | |
| Hybomitra microcephalus Osten Sacken, 1876 | |
| Hybomitra minusculus Hine, 1907 | |
| Hybomitra nigricans Wiedemann, 1828 | |
| Hybomitra nudus McDunnough, 1921 | |
| Hybomitra opacus Coquillett, 1904 | |
| Hybomitra pechumani Teskey & Thomas, 1979 | Moss Horse Fly |
| Hybomitra pediontis Mcalpine, 1961 | Prairie Horse Fly |
| Hybomitra phaenops Osten Sacken, 1877 | |
| Hybomitra philipi Stone, 1938 | |
| Hybomitra polaris Frey, 1915 | |
| Hybomitra procyon Osten Sacken, 1877 | |
| Hybomitra rhombicus Osten Sacken, 1876 | |
| Hybomitra rupestris McDunnough, 1921 | Cordilleran Horse Fly |
| Hybomitra sequax Williston, 1887 | |
| Hybomitra sexfasciatus Hine, 1923 | |
| Hybomitra sonomensis Osten Sacken, 1877 | |
| Hybomitra susurrus Marten, 1883 | |
| Hybomitra tetricus Marten, 1883 | |
| Hybomitra trepidus McDunnough, 1921 | |
| Hybomitra trispilus Wiedemann, 1828 | |
| Hybomitra typhus Whitney, 1904 | |
| Hybomitra vicinus Macquart, 1838 | |
| Hybomitra zonalis Kirby, 1837 | Yellowjacket Horse Fly |
| Hybomitra zygotus Philip, 1937 | |
| Poeciloderas quadripunctatus Fabricius, 1805 | Richard's macromitrium moss |
| Tabanus aar Philip, 1941 | |
| Tabanus abactor Philip, 1936 | Pacific serviceberry |
| Tabanus abditus Philip, 1941 | |
| Tabanus abdominalis Fabricius, 1805 | |
| Tabanus acutus Bigot, 1892 | |
| Tabanus aegrotus Osten Sacken, 1877 | |
| Tabanus americanus (Forster, 1771) | ⇒ Diachlorus ferrugatus Fabricius, 1805 |
| Tabanus aranti Hays, 1961 | Colorado larkspur |
| Tabanus atratus Fabricius, 1775 | Black horse fly |
| Tabanus birdiei Whitney, 1914 | Nightblooming false bindweed |
| Tabanus bishoppi Stone, 1933 | Modoc buckthorn |
| Tabanus boharti Philip, 1950 | Thicket shadbush |
| Tabanus caenosus Burger, 1974 | |
| Tabanus calens Linnaeus, 1758 | Gray bushmallow |
| Tabanus catenatus Walker, 1848 | Ashy milkweed |
| Tabanus cayensis Fairchild, 1935 | Marrat's bryum moss |
| Tabanus cheilopterus Rondani, 1850 | |
| Tabanus cingulatus Macquart, 1838 | Melonleaf |
| Tabanus coarctatus Stone, 1935 | Obtuse buckthorn |
| Tabanus colombensis Macquart, 1846 | Watermelon |
| Tabanus conterminus Walker, 1850 | Purple milkweed |
| Tabanus cordiger Meigen, 1820 | Plain-eyed grey horsefly |
| Tabanus cymatophorus Osten Sacken, 1876 | |
| Tabanus daedalus Stone, 1938 | |
| Tabanus dietrichi Pechuman, 1956 | |
| Tabanus dorsifer Walker, 1860 | Mexican whorled milkweed |
| Tabanus dorsonotatus Macquart, 1847 | Watermelon |
| Tabanus eadsi Philip, 1962 | |
| Tabanus enderleini Philip, 1960 | |
| Tabanus endymion Osten Sacken, 1878 | |
| Tabanus equalis Hine, 1923 | Flat-bud prickly poppy |
| Tabanus erythraeus Bigot, 1892 | |
| Tabanus eurycerus Philip, 1937 | |
| Tabanus exilipalpis Stone, 1938 | Yosemite buckthorn |
| Tabanus fairchildi Stone, 1938 | Yosemite buckthorn |
| Tabanus fratellus Williston, 1887 | Beach clustervine |
| Tabanus fulcifrons Macquart, 1855 | |
| Tabanus fulvicallus Philip, 1931 | Canadian serviceberry |
| Tabanus fulvulus Wiedemann, 1828 | Shortstalk false bindweed |
| Tabanus fumeus Stone, 1935 | |
| Tabanus fumipennis (Wiedemann, 1828) | ⇒ Tabanus fumeus Stone, 1935 |
| Tabanus fuscicostatus Hine, 1906 | Bluestem pricklypoppy |
| Tabanus fusconervosus Macquart, 1838 | Melonleaf |
| Tabanus gilanus Townsend, 1897 | Chapman's milkwort |
| Tabanus gladiator Stone, 1935 | Obtuse buckthorn |
| Tabanus gracilis Wiedemann, 1828 | Shortstalk false bindweed |
| Tabanus johnsoni Hine, 1907 | Bluestem pricklypoppy |
| Tabanus kesseli Philip, 1950 | Thicket shadbush |
| Tabanus kisliuki Stone, 1940 | |
| Tabanus laticeps Hine, 1904 | Prickly poppy |
| Tabanus laticornis (Hine, 1904) | ⇒ Tabanus rousselii Macquart, 1839 |
| Tabanus lineola Fabricius, 1794 | Striped horse fly |
| Tabanus longiusculus Hine, 1907 | Bluestem pricklypoppy |
| Tabanus longus Osten Sacken, 1876 | |
| Tabanus maculipennis (Wiedemann, 1828) | ⇒ Poeciloderas quadripunctatus Fabricius, 1805 |
| Tabanus marginalis Fabricius, 1805 | |
| Tabanus melanocerus Wiedemann, 1828 | Shortstalk false bindweed |
| Tabanus moderator Stone, 1938 | Yosemite buckthorn |
| Tabanus mogollon Burger, 1974 | |
| Tabanus molestus Say, 1823 | |
| Tabanus monoensis Hine, 1924 | Flatbud pricklypoppy |
| Tabanus morbosus Stone, 1938 | Yosemite buckthorn |
| Tabanus mularis Stone, 1935 | Obtuse buckthorn |
| Tabanus nefarius Hine, 1907 | Bluestem pricklypoppy |
| Tabanus nigrescens Beauvois, 1809 | |
| Tabanus nigripes (Wiedemann, 1821) | ⇒ Ancala fasciata Fabricius, 1775 |
| Tabanus nigrovittatus Macquart, 1847 | Black-striped gad fly |
| Tabanus novaescoeiae Macquart, 1847 | |
| Tabanus orbicallus Philip, 1936 | Pacific serviceberry |
| Tabanus pallidescens Philip, 1936 | Pacific serviceberry |
| Tabanus palpinus Beauvois, 1819 | |
| Tabanus petiolatus (Hine, 1917) | ⇒ Atylotus petiolateinus Leclercq, 1967 |
| Tabanus proximus (Walker, 1848) | ⇒ Tabanus taeniola Palisot de B..., 1806 |
| Tabanus pumilus Macquart, 1838 | Melonleaf |
| Tabanus punctifer Osten Sacken, 1876 | Bulldog fly |
| Tabanus quaesitus Stone, 1938 | Yosemite buckthorn |
| Tabanus quinquevittatus Wiedemann, 1821 | Greenhead |
| Tabanus quirinus (Philip, 1950) | ⇒ Tabanus kisliuki Stone, 1940 |
| Tabanus reinwardtii Wiedemann, 1828 | Shortstalk false bindweed |
| Tabanus rousselii Macquart, 1839 | |
| Tabanus rufofrator Walker, 1850 | |
| Tabanus sackeni Fairchild, 1934 | Wright's bryum moss |
| Tabanus sagax Osten Sacken, 1876 | |
| Tabanus similis Macquart, 1850 | Desert starvine |
| Tabanus sparus Whitney, 1879 | Bingham's false bindweed |
| Tabanus stonei Philip, 1941 | |
| Tabanus stygius Say, 1823 | |
| Tabanus subniger Coquillett, 1906 | |
| Tabanus suboblongus Stone, 1938 | |
| Tabanus subsimilis Bellardi, 1859 | |
| Tabanus superjumentarius Whitney, 1879 | Hedge false bindweed |
| Tabanus taeniola Palisot de B..., 1806 | Camel gad fly |
| Tabanus tetropsis Bigot, 1892 | |
| Tabanus texanus Hine, 1907 | Bluestem pricklypoppy |
| Tabanus trijunctus Walker, 1854 | Nodding milkweed |
| Tabanus trimaculatus Beauvois, 1806 | Silkyleaf cinquefoil |
| Tabanus turbidus Wiedemann, 1828 | Shortstalk false bindweed |
| Tabanus venustus Osten Sacken, 1876 | |
| Tabanus vicinus (Macquart, 1838) | ⇒ Tabanus cordiger Meigen, 1820 |
| Tabanus vivax Osten Sacken, 1876 | |
| Tabanus wiedemanni Osten Sacken, 1876 | |
| Tabanus wilsoni Pechuman, 1962 | |
| Tabanus zythicolor Philip, 1936 | Pacific serviceberry |
| Whitneyomyia beatificus Whitney, 1914 | |
