| Ancala fasciata Fabricius, 1775 | |
| Apatolestes comastes Williston, 1885 | Pineland clustervine |
| Apatolestes willistoni Brennan, 1935 | |
| Atylotus bicolor Wiedemann, 1821 | |
| Atylotus calcar Teskey, 1983 | Holywood |
| Atylotus duplex Walker, 1854 | |
| Atylotus duplex imitans Walker, 1848 | |
| Atylotus hyalicosta Teskey, 1983 | Caltrop |
| Atylotus insuetus Osten Sacken, 1877 | Black hawthorn |
| Atylotus intermedius (Walker, 1848) | ⇒ Atylotus intermissus Tendeiro, 1969 |
| Atylotus intermissus Tendeiro, 1969 | |
| Atylotus ohioensis Hine, 1901 | |
| Atylotus palus Teskey, 1983 | Caltrop |
| Atylotus quadrifarius Loew, 1874 | |
| Atylotus sphagnicola Teskey, 1985 | Caltrop |
| Atylotus sublunaticornis Zetterstedt, 1842 | White-haired Horse Fly |
| Atylotus thoracicus Hine, 1900 | |
| Atylotus thoracius Hine, 1900 | |
| Atylotus tingaureus Philip, 1936 | |
| Atylotus woodi Pechuman, 1981 | Alaska blackberry |
| Chrysops (Chrysops) caecutiens Linnaeus, 1758 | Blinding breeze fly |
| Chrysops (Chrysops) nigripes Zetterstedt, 1838 | Narrowflower flaxflower |
| Chrysops aberrans Philip, 1941 | |
| Chrysops aestuans Wulp, 1867 | Coastal gilia |
| Chrysops asbestos Philip, 1950 | Thicket shadbush |
| Chrysops ater Macquart, 1850 | Black Deer Fly |
| Chrysops brunneus Hine, 1903 | Desert bearpoppy |
| Chrysops callidus Osten Sacken, 1875 | |
| Chrysops calvus Pechuman & T..., 1967 | |
| Chrysops carbonarius Walker, 1848 | Ashy milkweed |
| Chrysops celatus (Pechuman, 1949) | ⇒ Chrysops flavidus Wiedemann, 1821 |
| Chrysops cincticornis Walker, 1848 | |
| Chrysops cincticornis cincticornis Walker, 1848 | |
| Chrysops clavicornis Brennan, 1935 | |
| Chrysops coloradensis Bigot, 1892 | |
| Chrysops cuclux Whitney, 1879 | Hedge false bindweed |
| Chrysops dawsoni Philip, 1959 | Dawson´s Deer Fly |
| Chrysops delicatulus Osten Sacken, 1875 | |
| Chrysops dimmocki Hine, 1905 | Golden pricklypoppy |
| Chrysops discalis Williston, 1880 | Cambustera de costa |
| Chrysops excitans Walker, 1850 | Bothersome Deer Fly |
| Chrysops flavidus Wiedemann, 1821 | Black raspberry |
| Chrysops frigidus Osten Sacken, 1875 | |
| Chrysops fuliginosus Wiedemann, 1821 | |
| Chrysops fulvaster Osten Sacken, 1877 | Shortgrass Deer Fly |
| Chrysops furcatus Walker, 1848 | Ashy milkweed |
| Chrysops geminatus Wiedemann, 1828 | Shortstalk false bindweed |
| Chrysops impunctus Kröber, 1926 | Redvein dock |
| Chrysops indus Osten Sacken, 1875 | |
| Chrysops lateralis Wiedemann, 1828 | Shortstalk false bindweed |
| Chrysops luteopennis Philip, 1936 | Pacific serviceberry |
| Chrysops macquarti Philip, 1961 | |
| Chrysops mitis Osten Sacken, 1875 | Benign Deer Fly |
| Chrysops mlokosiewiczi Bigot, 1880 | |
| Chrysops moechus Osten Sacken, 1875 | |
| Chrysops moerens (Walker, 1848) | ⇒ Chrysops aestuans Wulp, 1867 |
| Chrysops montanus Osten Sacken, 1875 | |
| Chrysops niger (Macquart, 1838) | ⇒ Chrysops caecutiens Linnaeus, 1758 |
| Chrysops noctifer Osten Sacken, 1877 | |
| Chrysops pikei Whitney, 1904 | Hedge false bindweed |
| Chrysops proclivis Osten Sacken, 1877 | |
| Chrysops provocans (Walker, 1850) | ⇒ Chrysops carbonarius Walker, 1848 |
| Chrysops sackeni Hine, 1903 | Desert bearpoppy |
| Chrysops shermani Hine, 1907 | Bluestem pricklypoppy |
| Chrysops sordidus Osten Sacken, 1875 | |
| Chrysops striatus (Osten Sacken, 1875) | ⇒ Chrysops mlokosiewiczi Bigot, 1880 |
| Chrysops surdus Osten Sacken, 1877 | |
| Chrysops univittatus Macquart, 1855 | Bur gherkin |
| Chrysops venus Philip, 1950 | Thicket shadbush |
| Chrysops vittatus Wiedemann, 1821 | Black-striped ear fly |
| Chrysops zinzala (Philip, 1942) | ⇒ Chrysops zinzalus Philip, 1942 |
| Chrysops zinzalus Philip, 1942 | |
| Cydistomyia alternata Ferguson & Hill, 1922 | |
| Cydistomyia brachypalpus Trojan, 1991 | |
| Dasybasis (Dasybasis) constans Walker, 1848 | |
| Diachlorus ferrugatus Fabricius, 1805 | Richard's macromitrium moss |
| Fidena abominata Philip, 1941 | |
| Goniops chrysocoma Osten Sacken, 1875 | |
| Haematopota americana Osten Sacken, 1875 | American Cleg |
| Haematopota champlaini Philip, 1953 | |
| Haematopota grahami Austen, 1912 | |
| Haematopota moreli Tendeiro, 1965 | |
| Haematopota pluvialis Linnaeus, 1758 | Breeze fly |
| Hybomitra aasa Philip, 1954 | |
| Hybomitra aequetincta Becker, 1900 | |
| Hybomitra affinis Kirby, 1837 | |
| Hybomitra affinis trilagata Walker, 1854 | |
| Hybomitra agora Teskey & al., 1987 | Rocky Mountain Horse Fly |
| Hybomitra arpadi Szilady, 1923 | |
| Hybomitra astuta Osten-sacken, 1876 | Cunning Horse Fly |
| Hybomitra atrobasis McDunnough, 1921 | |
| Hybomitra aurilimbus Stone, 1938 | |
| Hybomitra brennani Stone, 1938 | |
| Hybomitra californica Marten, 1882 | |
| Hybomitra captonis Marten, 1882 | |
| Hybomitra criddlei Brooks, 1946 | |
| Hybomitra enigmatica Teskey, 1982 | Texas lignum-vitae |
| Hybomitra epistates Osten Sacken, 1878 | Horse fly |
| Hybomitra frontalis Walker, 1848 | Boreal Horse Fly |
| Hybomitra frontalis incisus Walker, 1850 | |
| Hybomitra frosti Pechuman, 1960 | Peaty dewberry |
| Hybomitra fulvilateralis Macquart, 1838 | |
| Hybomitra hearlei Philip, 1936 | |
| Hybomitra hinei Johnson, 1904 | |
| Hybomitra illota Osten Sacken, 1876 | |
| Hybomitra itasca Philip, 1936 | Timid Horse Fly |
| Hybomitra kaurii Chvala & Lyn..., 1970 | |
| Hybomitra lanifera McDunnough, 1922 | |
| Hybomitra lasiophthalma Macquart, 1838 | Orange-sided Horse Fly |
| Hybomitra liorhina Philip, 1936 | Brown-legged Horse Fly |
| Hybomitra longiglossa Philip, 1931 | |
| Hybomitra lurida Fallen, 1817 | Broad-headed Horse Fly |
| Hybomitra melanorhina Bigot, 1892 | |
| Hybomitra metabola Chaudoir, 1871 | Aleutian draba |
| Hybomitra microcephala Osten Sacken, 1876 | |
| Hybomitra minuscula Hine, 1907 | |
| Hybomitra montana Meigen, 1820 | Slender-horned horsefly |
| Hybomitra nitidifrons Szilady, 1914 | Rock Horse Fly |
| Hybomitra nitidifrons nuda Mcdunnough, 0 | |
| Hybomitra nuda McDunnough, 1921 | |
| Hybomitra opaca Coquillett, 1904 | |
| Hybomitra osburni Hine, 1904 | Columbian Horse Fly |
| Hybomitra pechumani Teskey & Thomas, 1979 | Moss Horse Fly |
| Hybomitra pediontis Mcalpine, 1961 | Prairie Horse Fly |
| Hybomitra polaris Frey, 1915 | |
| Hybomitra procyon Osten Sacken, 1877 | |
| Hybomitra rhombica Osten Sacken, 1876 | |
| Hybomitra rhombicus Osten Sacken, 1876 | |
| Hybomitra rupestris McDunnough, 1921 | Cordilleran Horse Fly |
| Hybomitra sequax Williston, 1887 | |
| Hybomitra sexfasciata Hine, 1923 | |
| Hybomitra sodalis Williston, 1887 | |
| Hybomitra sonomensis Osten Sacken, 1877 | |
| Hybomitra tetrica Marten, 1883 | Elk Horse Fly |
| Hybomitra trepida McDunnough, 1921 | Coniferous Horse Fly |
| Hybomitra trispila Wiedemann, 1828 | Oval-leaf clustervine |
| Hybomitra typhus Whitney, 1904 | |
| Hybomitra zonalis Kirby, 1837 | Yellowjacket Horse Fly |
| Hybomitra zonalis tarandi Walker, 1848 | |
| Hybomitra zygota Philip, 1937 | |
| Scaptia (Myioscaptia) calliphora (Mackerras, 1960) | ⇒ Myioscaptia calliphora Mackerras, 1960 |
| Silvius gigantulus Loew, 1872 | |
| Silvius trifolium (Osten Sacken, 1875) | ⇒ Silvius gigantulus Loew, 1872 |
| Stonemyia californica Bigot, 1892 | |
| Stonemyia fera Williston, 1887 | Beach clustervine |
| Stonemyia rasa Loew, 1869 | Shaved Horse Fly |
| Stonemyia tranquilla Osten Sacken, 1875 | |
| Straba rufa | |
| Tabanus abdominalis Fabricius, 1805 | |
| Tabanus aegrotus Osten Sacken, 1877 | |
| Tabanus americanus (Forster, 1771) | ⇒ Diachlorus ferrugatus Fabricius, 1805 |
| Tabanus atratus Fabricius, 1775 | Black horse fly |
| Tabanus calens Linnaeus, 1758 | Gray bushmallow |
| Tabanus catenatus Walker, 1848 | Ashy milkweed |
| Tabanus cincta Fabricius, 1794 | |
| Tabanus enderleini Philip, 1960 | |
| Tabanus fairchildi Stone, 1938 | Yosemite buckthorn |
| Tabanus fratellus Williston, 1887 | Beach clustervine |
| Tabanus fulcifrons Macquart, 1855 | |
| Tabanus fulvicallus Philip, 1931 | Canadian serviceberry |
| Tabanus giganteus (De Geer, 1776) | ⇒ Tabanus calens Linnaeus, 1758 |
| Tabanus kesseli Philip, 1950 | Thicket shadbush |
| Tabanus limbatinevris (Macquart, 1850) | ⇒ Tabanus abdominalis Fabricius, 1805 |
| Tabanus lineola Fabricius, 1794 | Striped horse fly |
| Tabanus marginalis Fabricius, 1805 | |
| Tabanus minusculus (Datta & Das, 1978) | ⇒ Dasybasis constans Walker, 1848 |
| Tabanus nigripes (Wiedemann, 1821) | ⇒ Ancala fasciata Fabricius, 1775 |
| Tabanus nigrovittatus Macquart, 1847 | Black-striped gad fly |
| Tabanus novaescoeiae Macquart, 1847 | |
| Tabanus novaescotiae (Macquart, 1847) | ⇒ Tabanus novaescoeiae Macquart, 1847 |
| Tabanus orion (Osten Sacken, 1876) | ⇒ Tabanus catenatus Walker, 1848 |
| Tabanus osburni (Hine, 1904) | ⇒ Hybomitra rhombicus Osten Sacken, 1876 |
| Tabanus pemeticus Johnson, 1921 | |
| Tabanus pumilus Macquart, 1838 | Melonleaf |
| Tabanus punctifer Osten Sacken, 1876 | Bulldog fly |
| Tabanus quinquevittatus Wiedemann, 1821 | Greenhead |
| Tabanus reinwardtii Wiedemann, 1828 | Shortstalk false bindweed |
| Tabanus sackeni Fairchild, 1934 | Wright's bryum moss |
| Tabanus sagax Osten Sacken, 1876 | |
| Tabanus sequax (Williston, 1887) | ⇒ Hybomitra sequax Williston, 1887 |
| Tabanus similis Macquart, 1850 | Desert starvine |
| Tabanus stonei Philip, 1941 | |
| Tabanus stygius Say, 1823 | |
| Tabanus subniger Coquillett, 1906 | |
| Tabanus subsimilis Bellardi, 1859 | |
| Tabanus sudeticus Zeller, 1842 | Dark giant horsefly |
| Tabanus sulcifrons (Macquart, 1855) | ⇒ Tabanus fulcifrons Macquart, 1855 |
| Tabanus superjumentarius Whitney, 1879 | Hedge false bindweed |
| Tabanus trimaculatus Beauvois, 1806 | Silkyleaf cinquefoil |
| Tabanus vivax Osten Sacken, 1876 | |
