| Dolichopus (Dolichopus) annulitarsis Ringdahl, 1920 | |
| Dolichopus (Dolichopus) brevipennis Meigen, 1824 | Prostrate yellowcress |
| Dolichopus (Dolichopus) fraterculus Zetterstedt, 1843 | |
| Dolichopus (Dolichopus) latipennis Fallen, 1823 | |
| Dolichopus (Dolichopus) longicornis Stannius, 1831 | Jointed sandmat |
| Dolichopus (Dolichopus) maculipennis Zetterstedt, 1843 | |
| Dolichopus (Dolichopus) mannerheimi Zetterstedt, 1838 | Narrowflower flaxflower |
| Dolichopus (Dolichopus) plumipes (Scopoli, 1763) | ⇒ Tachytrechus notatus Stannius, 1831 |
| Dolichopus (Dolichopus) remipes Wahlberg, 1839 | Milkwood |
| Dolichopus (Dolichopus) rupestris Haliday, 1833 | Long-legged fly |
| Dolichopus (Dolichopus) stenhammari Zetterstedt, 1843 | Harkness' flaxflower |
| Dolichopus abaftanus Harmston, 1966 | Marigold pepper |
| Dolichopus aboriginis Harmston & K..., 1943 | |
| Dolichopus accidentalis Harmston & K..., 1941 | |
| Dolichopus acricola Van Duzee, 1921 | Howell's yampah |
| Dolichopus adaequatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus adaquatus | |
| Dolichopus aeratus Van Duzee, 1921 | Howell's yampah |
| Dolichopus affictus Osten Sacken, 1877 | Black hawthorn |
| Dolichopus affluens Van Duzee, 1921 | Howell's yampah |
| Dolichopus albertensis Curran, 1922 | |
| Dolichopus aldrichii Wheeler, 1899 | |
| Dolichopus amnicola Melander & B..., 1900 | |
| Dolichopus amphericus Melander & B..., 1900 | |
| Dolichopus amplipenbnis | |
| Dolichopus anacrostichus Frey, 1945 | |
| Dolichopus appendiculatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus argentipes Van Duzee, 1921 | Howell's yampah |
| Dolichopus aurifex Van Duzee, 1921 | Howell's yampah |
| Dolichopus bakeri Cole, 1912 | |
| Dolichopus barbaricus Van Duzee, 1921 | Howell's yampah |
| Dolichopus barbipes Van Duzee, 1921 | Howell's yampah |
| Dolichopus barycnemus Coquillett, 1900 | |
| Dolichopus beatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus bifractus Loew, 1861 | |
| Dolichopus bisetosa | |
| Dolichopus bisetosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus blandus Van Duzee, 1921 | Howell's yampah |
| Dolichopus bruesi Loew, 1862 | Howell's yampah |
| Dolichopus bruneifacies Van Duzee, 1933 | Masterwort |
| Dolichopus brunneus Aldrich, 1893 | |
| Dolichopus californicus Thomson, 1869 | Howell's yampah |
| Dolichopus calvimontis James, 1939 | |
| Dolichopus canadensis Van Duzee, 1921 | Howell's yampah |
| Dolichopus canaliculatus Thomson, 1869 | |
| Dolichopus cavatus Doane, 1899 | Howell's yampah |
| Dolichopus celeripes Van Duzee, 1921 | Howell's yampah |
| Dolichopus compactus Van Duzee, 1921 | Howell's yampah |
| Dolichopus completus Van Duzee, 1921 | Howell's yampah |
| Dolichopus comptus Coquillett, 1899 | Howell's yampah |
| Dolichopus consanguineus Doane, 1899 | |
| Dolichopus conspectus Van Duzee, 1921 | Howell's yampah |
| Dolichopus contiguus Walker, 1849 | Largeflower milkweed |
| Dolichopus convergens Aldrich, 1893 | |
| Dolichopus coquilletti Aldrich, 1893 | |
| Dolichopus corax Osten Sacken, 1877 | |
| Dolichopus crassicornis Aldrich, 1922 | |
| Dolichopus crenatus Osten Sacken, 1877 | Black hawthorn |
| Dolichopus cuprinus Wiedemann, 1830 | Shortstalk false bindweed |
| Dolichopus czekanovskii Stackelberg, 1928 | |
| Dolichopus dasypodus Coquillett, 1910 | |
| Dolichopus detersus Loew, 1866 | Scarlet globemallow |
| Dolichopus diversipennis Curran, 1922 | |
| Dolichopus divigatus Harmston, 1952 | Guyanese pepper |
| Dolichopus elegans Aldrich, 1922 | |
| Dolichopus enigma Melander & B..., 1900 | |
| Dolichopus eudactylus Loew, 1861 | |
| Dolichopus fallax Van Duzee, 1933 | Masterwort |
| Dolichopus flavipes (Stannius, 1831) | ⇒ Dolichopus caligatus Wahlberg, 1850 |
| Dolichopus footei Harmston, 1966 | Marigold pepper |
| Dolichopus formosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus fortis Aldrich, 1922 | |
| Dolichopus frontalis Loew, 1861 | Parish's yampah |
| Dolichopus fucatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus gaigei Steyskal, 1973 | Palmer's ceanothus |
| Dolichopus genualis Van Duzee, 1921 | Howell's yampah |
| Dolichopus grandis Aldrich, 1893 | |
| Dolichopus groenlandicus Zetterstedt, 1843 | |
| Dolichopus hastatus Loew, 1864 | |
| Dolichopus helenae James, 1939 | |
| Dolichopus hirstitarsis Harmston, 1952 | Guyanese pepper |
| Dolichopus hirsutitarsis Harmston, 1952 | |
| Dolichopus humilis Van Duzee, 1921 | Howell's yampah |
| Dolichopus idahoensis Aldrich, 1894 | |
| Dolichopus indegena | |
| Dolichopus inflatus Aldrich, 1922 | |
| Dolichopus interjectus Van Duzee, 1923 | Lemmon's yampah |
| Dolichopus ivanovi Stackelberg, 1929 | |
| Dolichopus jacutensis Stackelberg, 1929 | |
| Dolichopus jugalis Tucker, 1911 | California eryngo |
| Dolichopus kyphotus Harmston, 1966 | Marigold pepper |
| Dolichopus lamellicornis Thomson, 1869 | |
| Dolichopus lamellipes Walker, 1849 | Largeflower milkweed |
| Dolichopus latipes Loew, 1861 | |
| Dolichopus leucacra James, 1939 | |
| Dolichopus litoralis Van Duzee, 1921 | Howell's yampah |
| Dolichopus lobatus Loew, 1861 | |
| Dolichopus longimanus Loew, 1861 | |
| Dolichopus longus Aldrich, 1922 | |
| Dolichopus maculitarsis Van Duzee, 1925 | Oregon yampah |
| Dolichopus magnantenna James, 1939 | |
| Dolichopus manicula Spencer, 1969 | Howell's yampah |
| Dolichopus micropygus Wahlberg, 1851 | Milkwood |
| Dolichopus monarchus Harmston, 1968 | |
| Dolichopus monticola Van Duzee, 1921 | Howell's yampah |
| Dolichopus multisetosa | |
| Dolichopus multisetosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus nigricauda Van Duzee, 1921 | Howell's yampah |
| Dolichopus nigricornis Meigen, 1824 | Prostrate yellowcress |
| Dolichopus nigricoxa Van Duzee, 1926 | Parish's yampah |
| Dolichopus nigrilineatus Van Duzee, 1924 | Narrow-seeded yampah |
| Dolichopus nigrimanus Van Duzee, 1921 | Howell's yampah |
| Dolichopus nigropleurus Harmston, 1966 | Marigold pepper |
| Dolichopus nubifer (Van Duzee, 1921) | ⇒ Dolichopus nubier Van Duzee, 1921 |
| Dolichopus nudus Loew, 1864 | |
| Dolichopus obcordatus Aldrich, 1893 | |
| Dolichopus occidentalis Aldrich, 1893 | |
| Dolichopus omnivagus Van Duzee, 1921 | Howell's yampah |
| Dolichopus opportunus Van Duzee, 1921 | Howell's yampah |
| Dolichopus oregonensis Van Duzee, 1927 | Parish's yampah |
| Dolichopus ovatus Loew, 1861 | |
| Dolichopus paluster Melander & B..., 1900 | |
| Dolichopus partitus Melander & B..., 1900 | |
| Dolichopus parvimanus Van Duzee, 1933 | Masterwort |
| Dolichopus penicillatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus pensus Aldrich, 1922 | |
| Dolichopus pernix Melander & B..., 1900 | |
| Dolichopus perplexus Van Duzee, 1923 | Lemmon's yampah |
| Dolichopus pingreensis James, 1939 | |
| Dolichopus plumitarsis Fallen, 1823 | Long-legged fly |
| Dolichopus plumosus Melander, 1913 | |
| Dolichopus pollex Osten Sacken, 1877 | |
| Dolichopus procerus (Van Duzee, 1921) | ⇒ Dolichopus jugalis Tucker, 1911 |
| Dolichopus ramifer Spencer, 1969 | |
| Dolichopus renidescens Melander & B..., 1900 | |
| Dolichopus robertsoni (Curran, 1923) | ⇒ Dolichopus amnicola Melander & B..., 1900 |
| Dolichopus sagittarius Loew, 1848 | |
| Dolichopus scopifer James, 1939 | |
| Dolichopus sedulus Van Duzee, 1921 | Howell's yampah |
| Dolichopus sexarticulatus Loew, 1864 | |
| Dolichopus shastaensis Harmston, 1966 | Marigold pepper |
| Dolichopus shelfordi Curran, 1934 | California sweetcicely |
| Dolichopus simplicipes Aldrich, 1922 | |
| Dolichopus sincerus Melander, 1900 | Mouseear cress |
| Dolichopus smithae Harmston, 1966 | Marigold pepper |
| Dolichopus solidus Van Duzee, 1921 | Howell's yampah |
| Dolichopus sordidatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus speciosus Hendel, 1920 | Howell's yampah |
| Dolichopus sporadicus Harmston & K..., 1942 | |
| Dolichopus squamicilliatus Harmston, 1966 | Marigold pepper |
| Dolichopus squamosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus subcostatus Van Duzee, 1930 | Parsley |
| Dolichopus sufflavus Van Duzee, 1921 | Howell's yampah |
| Dolichopus superbus Van Duzee, 1921 | Howell's yampah |
| Dolichopus talus Van Duzee, 1921 | Howell's yampah |
| Dolichopus tarsipictis Harmston & K..., 1963 | Black pepper |
| Dolichopus tarsipictus | |
| Dolichopus tenuipes Aldrich, 1894 | |
| Dolichopus terminalis Loew, 1866 | Scarlet globemallow |
| Dolichopus utahensis Harmston & K..., 1943 | |
| Dolichopus uxorcula Van Duzee, 1921 | Howell's yampah |
| Dolichopus varipes Coquillett, 1900 | |
| Dolichopus vegetus Harmston, 1952 | Guyanese pepper |
| Dolichopus vernaae Harmston & K..., 1940 | |
| Dolichopus viridis Van Duzee, 1921 | Howell's yampah |
| Dolichopus walkeri Van Duzee, 1921 | Howell's yampah |
| Dolichopus xanthocnemus Loew, 1864 | |
| Dolichopus zygomus Harmston, 1966 | Marigold pepper |
| Gymnopternus brevipes Van Duzee, 1933 | |
| Gymnopternus californicus Van Duzee, 1920 | Common yampah |
| Gymnopternus consanguineus Harmston, 1952 | |
| Gymnopternus flavus Loew, 1861 | |
| Gymnopternus lacustris ♰ D. J. Bickel, 1995 | |
| Gymnopternus meniscus Loew, 1864 | |
| Gymnopternus spectabilis Loew, 1861 | |
| Gymnopternus tristis Loew, 1864 | |
| Gymnopternus vanduzeei Curran, 1930 | |
| Hercostomus albipodus Harmston & K..., 1941 | |
| Hercostomus aurifer Thomson, 1869 | |
| Hercostomus cachae | |
| Hercostomus cacheae Harmston & K..., 1941 | |
| Hercostomus chaetilamellus Harmston & K..., 1941 | |
| Hercostomus coloradensis Harmston, 1952 | Guyanese pepper |
| Hercostomus cryptus Fisher & Orth, 1971 | |
| Hercostomus impudicus Wheeler, 1899 | Heartleaf groundcherry |
| Hercostomus longilamellus Harmston & K..., 1940 | |
| Hercostomus neocryptus Harmston & K..., 1941 | Jamaican pepper |
| Hercostomus nigrifacies Van Duzee, 1933 | Masterwort |
| Hercostomus occidentalis Cole, 1912 | |
| Hercostomus orbicularis Harmston, 1952 | Guyanese pepper |
| Hercostomus purus Harmston & K..., 1963 | Black pepper |
| Hercostomus schlingeri Harmston & K..., 1963 | Black pepper |
| Hercostomus setosus Van Duzee, 1913 | |
| Hercostomus stanfordi Harmston & K..., 1940 | |
| Hercostomus truncatus Harmston & K..., 1940 | |
| Hercostomus unicolor Loew, 1864 | |
| Hercostomus utahensis Harmston & K..., 1940 | |
| Hercostomus wasatchensis Harmston & K..., 1943 | |
