| Dolichopus (Dolichopus) brevipennis Meigen, 1824 | Prostrate yellowcress |
| Dolichopus (Dolichopus) latipennis Fallen, 1823 | |
| Dolichopus (Dolichopus) lepidus Stæger, 1842 | |
| Dolichopus (Dolichopus) plumipes (Scopoli, 1763) | ⇒ Tachytrechus notatus Stannius, 1831 |
| Dolichopus (Dolichopus) remipes Wahlberg, 1839 | Milkwood |
| Dolichopus (Dolichopus) stenhammari Zetterstedt, 1843 | Harkness' flaxflower |
| Dolichopus abbreviatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus absonus Van Duzee, 1921 | Howell's yampah |
| Dolichopus acuminatus Loew, 1861 | |
| Dolichopus adjacens Walker, 1849 | |
| Dolichopus adultus Van Duzee, 1921 | Howell's yampah |
| Dolichopus aequalis Van Duzee, 1921 | Howell's yampah |
| Dolichopus affinis Walker, 1849 | Largeflower milkweed |
| Dolichopus affluens Van Duzee, 1921 | Howell's yampah |
| Dolichopus agronomus Melander & B..., 1900 | |
| Dolichopus ainsliei Van Duzee, 1921 | Howell's yampah |
| Dolichopus alacer Van Duzee, 1921 | Howell's yampah |
| Dolichopus albiciliatus Loew, 1862 | Jone's globemallow |
| Dolichopus albicoxa Aldrich, 1893 | |
| Dolichopus amphericus Melander & B..., 1900 | |
| Dolichopus apheles Melander & B..., 1900 | |
| Dolichopus barbicauda Van Duzee, 1921 | Howell's yampah |
| Dolichopus bifractus Loew, 1861 | |
| Dolichopus blandus Van Duzee, 1921 | Howell's yampah |
| Dolichopus bolsteri Van Duzee, 1921 | Howell's yampah |
| Dolichopus boreus (Van Duzee, 1921) | ⇒ Dolichopus lamellipes Walker, 1849 |
| Dolichopus brevimanus Loew, 1861 | |
| Dolichopus brevipilosus Van Duzee, 1933 | Masterwort |
| Dolichopus bryanti Van Duzee, 1921 | Howell's yampah |
| Dolichopus burnesi Cresson, 1907 | Howell's yampah |
| Dolichopus calcaratus Aldrich, 1893 | |
| Dolichopus canadensis Van Duzee, 1921 | Howell's yampah |
| Dolichopus celeripes Van Duzee, 1921 | Howell's yampah |
| Dolichopus chrysostomus Loew, 1861 | |
| Dolichopus coercens Walker, 1849 | Largeflower milkweed |
| Dolichopus coloradensis Aldrich, 1893 | |
| Dolichopus comatus Loew, 1861 | |
| Dolichopus confinis (Walker, 1849) | ⇒ Argyra ilonae Gosseries, 1988 |
| Dolichopus contiguus Walker, 1849 | Largeflower milkweed |
| Dolichopus crenatus Osten Sacken, 1877 | Black hawthorn |
| Dolichopus cuprinus Wiedemann, 1830 | Shortstalk false bindweed |
| Dolichopus dakotensis Aldrich, 1893 | |
| Dolichopus dasypodus Coquillett, 1910 | |
| Dolichopus defectus Van Duzee, 1921 | Howell's yampah |
| Dolichopus delicatus Aldrich, 1922 | |
| Dolichopus demissus Van Duzee, 1921 | Howell's yampah |
| Dolichopus detersus Loew, 1866 | Scarlet globemallow |
| Dolichopus distinctus (Van Duzee, 1921) | ⇒ Dolichopus funditor Staeger, 1845 |
| Dolichopus eudactylus Loew, 1861 | |
| Dolichopus exclusus Walker, 1849 | Largeflower milkweed |
| Dolichopus finitus Walker, 1849 | Largeflower milkweed |
| Dolichopus flagellitenens Wheeler, 1890 | Coastal groundcherry |
| Dolichopus flaviciliatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus flavicoxa Froggatt, 1911 | Howell's yampah |
| Dolichopus flavifacies Van Duzee, 1933 | Masterwort |
| Dolichopus flavilacertus Van Duzee, 1921 | Howell's yampah |
| Dolichopus footei Harmston, 1966 | Marigold pepper |
| Dolichopus fulvipes Loew, 1862 | Jone's globemallow |
| Dolichopus funditor Staeger, 1845 | |
| Dolichopus genuale Van Duzee, 1921 | |
| Dolichopus genualis Van Duzee, 1921 | Howell's yampah |
| Dolichopus gladius Van Duzee, 1921 | Howell's yampah |
| Dolichopus gratus Loew, 1861 | |
| Dolichopus groenlandicus Zetterstedt, 1843 | |
| Dolichopus harbercki | |
| Dolichopus incisuralis Loew, 1861 | |
| Dolichopus incongruus Wheeler, 1890 | Coastal groundcherry |
| Dolichopus indigenus Van Duzee, 1921 | Howell's yampah |
| Dolichopus johnsoni Aldrich, 1893 | |
| Dolichopus jugalis Tucker, 1911 | California eryngo |
| Dolichopus lamellipes Walker, 1849 | Largeflower milkweed |
| Dolichopus laticornis Loew, 1861 | |
| Dolichopus latipes Loew, 1861 | |
| Dolichopus latronis Van Duzee, 1921 | Howell's yampah |
| Dolichopus lobatus Loew, 1861 | |
| Dolichopus longimanus Loew, 1861 | |
| Dolichopus longipennis Loew, 1861 | |
| Dolichopus lundbecki Curran, 1923 | |
| Dolichopus luteipennis Loew, 1861 | |
| Dolichopus melanocerus Loew, 1864 | |
| Dolichopus nigricornis Meigen, 1824 | Prostrate yellowcress |
| Dolichopus nigrilineatus Van Duzee, 1924 | Narrow-seeded yampah |
| Dolichopus nigrimanus Van Duzee, 1921 | Howell's yampah |
| Dolichopus nodipennis Van Duzee, 1921 | Howell's yampah |
| Dolichopus obcordatus Aldrich, 1893 | |
| Dolichopus obsoletus Van Duzee, 1921 | Howell's yampah |
| Dolichopus occidentalis Aldrich, 1893 | |
| Dolichopus omnivagus Van Duzee, 1921 | Howell's yampah |
| Dolichopus orichalceus Gosseries, 1989 | |
| Dolichopus ornatipennis Van Duzee, 1921 | Howell's yampah |
| Dolichopus ovatus Loew, 1861 | |
| Dolichopus pachycnemus Loew, 1861 | |
| Dolichopus packardi Van Duzee, 1921 | Howell's yampah |
| Dolichopus palaestricus Loew, 1864 | |
| Dolichopus parvicornis Van Duzee, 1921 | Howell's yampah |
| Dolichopus penicillatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus pilatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus plumitarsis Fallen, 1823 | Long-legged fly |
| Dolichopus porphyrops Van Duzee, 1921 | Howell's yampah |
| Dolichopus pugil Loew, 1866 | Scarlet globemallow |
| Dolichopus ramifer Spencer, 1969 | |
| Dolichopus remus Van Duzee, 1921 | Howell's yampah |
| Dolichopus separatus Walker, 1849 | Largeflower milkweed |
| Dolichopus serratus Van Duzee, 1921 | Howell's yampah |
| Dolichopus setifer Loew, 1861 | |
| Dolichopus setosus Loew, 1862 | Jone's globemallow |
| Dolichopus shelfordi Curran, 1934 | California sweetcicely |
| Dolichopus sicarius Van Duzee, 1921 | Howell's yampah |
| Dolichopus sincerus Melander, 1900 | Mouseear cress |
| Dolichopus smicrus Meuffels & G..., 1999 | |
| Dolichopus soccatus Walker, 1849 | Largeflower milkweed |
| Dolichopus socius Loew, 1862 | Jone's globemallow |
| Dolichopus splendidus (Loew, 1861) | ⇒ Dolichopus contiguus Walker, 1849 |
| Dolichopus subciliatus Loew, 1864 | |
| Dolichopus tener Coquillett, 1902 | |
| Dolichopus terminalis Loew, 1866 | Scarlet globemallow |
| Dolichopus tetricus Loew, 1864 | |
| Dolichopus tonsus Loew, 1861 | |
| Dolichopus trisetosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus umbrosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus variabilis Loew, 1861 | |
| Dolichopus versutus Van Duzee, 1921 | Howell's yampah |
| Dolichopus vigilans Aldrich, 1893 | |
| Dolichopus virga Coquillett, 1910 | |
| Dolichopus virginiensis Van Duzee, 1921 | Howell's yampah |
| Dolichopus vittatus Loew, 1861 | |
| Dolichopus wheeleri Melander & B..., 1900 | Daggerpod |
| Dolichopus xanthocnemus Loew, 1864 | |
| Gymnopternus barbatulus Loew, 1861 | |
| Gymnopternus constrictus Robinson, 1964 | Smooth yellow vetch |
| Gymnopternus crassicauda Loew, 1861 | |
| Gymnopternus cuneicornis Robinson, 1964 | Smooth yellow vetch |
| Gymnopternus currani Van Duzee, 1930 | |
| Gymnopternus exilis Loew, 1861 | |
| Gymnopternus frequens Loew, 1861 | |
| Gymnopternus humilis Loew, 1864 | |
| Gymnopternus lividifrons Van Duzee, 1926 | Parish's yampah |
| Gymnopternus nigribarbus Loew, 1861 | |
| Gymnopternus nigricomus Robinson, 1964 | Smooth yellow vetch |
| Gymnopternus nigricoxa Van Duzee, 1924 | Narrow-seeded yampah |
| Gymnopternus obtusicauda Van Duzee, 1924 | Narrow-seeded yampah |
| Gymnopternus opacus Loew, 1861 | |
| Gymnopternus purpuratus Van Duzee, 1925 | |
| Gymnopternus scotias Loew, 1861 | |
| Gymnopternus spectabilis Loew, 1861 | |
| Gymnopternus subulatus Loew, 1861 | |
| Gymnopternus tristis Loew, 1864 | |
| Hercostomus celer (Meigen, 1824) | ⇒ Gymnopternus celer Meigen, 1824 |
| Hercostomus chetifer Walker, 1849 | |
| Hercostomus exilis Loew, 1861 | |
| Hercostomus unicolor Loew, 1864 | |
