| Dolichopus (Dolichopus) brevipennis Meigen, 1824 | Prostrate yellowcress |
| Dolichopus (Dolichopus) lepidus Stæger, 1842 | |
| Dolichopus (Dolichopus) longicornis Stannius, 1831 | Jointed sandmat |
| 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 abbreviatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus aboriginis Harmston & K..., 1943 | |
| Dolichopus abrasus Van Duzee, 1921 | Howell's yampah |
| Dolichopus abruptus Aldrich, 1922 | |
| Dolichopus absonus Van Duzee, 1921 | Howell's yampah |
| Dolichopus accidentalis Harmston & K..., 1941 | |
| Dolichopus acricola Van Duzee, 1921 | Howell's yampah |
| Dolichopus acuminatus Loew, 1861 | |
| Dolichopus acutus Van Duzee, 1921 | Howell's yampah |
| Dolichopus adaequatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus adjacens Walker, 1849 | |
| Dolichopus adultus Van Duzee, 1921 | Howell's yampah |
| Dolichopus aequalis Van Duzee, 1921 | Howell's yampah |
| Dolichopus aeratus Van Duzee, 1921 | Howell's yampah |
| Dolichopus aethiops Van Duzee, 1921 | Howell's yampah |
| Dolichopus affinis Walker, 1849 | Largeflower milkweed |
| Dolichopus afflictus Osten Sacken, 1877 | |
| 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 alberecrus Gunther, 1979 | |
| Dolichopus albertensis Curran, 1922 | |
| Dolichopus albiciliatus Loew, 1862 | Jone's globemallow |
| Dolichopus albicoxa Aldrich, 1893 | |
| Dolichopus albivestitarsis Robinson, 1964 | Smooth yellow vetch |
| Dolichopus aldrichii Wheeler, 1899 | |
| Dolichopus amnicola Melander & B..., 1900 | |
| Dolichopus amphericus Melander & B..., 1900 | |
| Dolichopus amplipennis Van Duzee, 1921 | Howell's yampah |
| Dolichopus andersoni Curran, 1924 | |
| Dolichopus angustatus Aldrich, 1893 | |
| Dolichopus angusticornis Van Duzee, 1921 | Howell's yampah |
| Dolichopus annaclareii Gunther, 1979 | |
| Dolichopus apheles Melander & B..., 1900 | |
| Dolichopus appendiculatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus argentipes Van Duzee, 1921 | Howell's yampah |
| Dolichopus arizonicus Harmston, 1951 | Higuillo |
| Dolichopus aurifacies Aldrich, 1893 | |
| Dolichopus aurifex Van Duzee, 1921 | Howell's yampah |
| Dolichopus bakeri Cole, 1912 | |
| Dolichopus barbaricus Van Duzee, 1921 | Howell's yampah |
| Dolichopus barbicauda Van Duzee, 1921 | Howell's yampah |
| Dolichopus barbipes Van Duzee, 1921 | Howell's yampah |
| Dolichopus barycnemus Coquillett, 1900 | |
| Dolichopus beameri Harmston & K..., 1941 | |
| Dolichopus beatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus bifractus Loew, 1861 | |
| Dolichopus bilamellatus Parent, 1929 | |
| Dolichopus bisetosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus blandus Van Duzee, 1921 | Howell's yampah |
| Dolichopus bolsteri Van Duzee, 1921 | Howell's yampah |
| Dolichopus brevicauda Van Duzee, 1921 | Howell's yampah |
| Dolichopus breviciliatus (Van Duzee, 1930) | ⇒ Dolichopus brevipilosus Van Duzee, 1933 |
| Dolichopus brevimanus Loew, 1861 | |
| Dolichopus brevipilosus Van Duzee, 1933 | Masterwort |
| Dolichopus bruesi Loew, 1862 | Howell's yampah |
| Dolichopus bruneifacies Van Duzee, 1933 | Masterwort |
| Dolichopus brunneus Aldrich, 1893 | |
| Dolichopus bryanti Van Duzee, 1921 | Howell's yampah |
| Dolichopus burnesi Cresson, 1907 | Howell's yampah |
| Dolichopus calainus Melander & B..., 1900 | |
| Dolichopus calcaratus 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 carolinensis Van Duzee, 1921 | Howell's yampah |
| Dolichopus cavatus Doane, 1899 | 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 compactus Van Duzee, 1921 | Howell's yampah |
| Dolichopus completus Van Duzee, 1921 | Howell's yampah |
| Dolichopus comptus Coquillett, 1899 | Howell's yampah |
| Dolichopus confinis (Walker, 1849) | ⇒ Argyra ilonae Gosseries, 1988 |
| Dolichopus consanguineus Doane, 1899 | |
| Dolichopus conspectus Van Duzee, 1921 | Howell's yampah |
| Dolichopus contiguus Walker, 1849 | Largeflower milkweed |
| Dolichopus contingens (Walker, 1852) | ⇒ Tachytrechus contingens Walker, 1852 |
| Dolichopus convergens Aldrich, 1893 | |
| Dolichopus coquilletti Aldrich, 1893 | |
| Dolichopus corax Osten Sacken, 1877 | |
| Dolichopus correus Steyskal, 1959 | Lemmon's ceanothus |
| Dolichopus crassicornis Aldrich, 1922 | |
| Dolichopus crassitibia Robinson, 1967 | Pygmyflower vetch |
| Dolichopus crenatus Osten Sacken, 1877 | Black hawthorn |
| Dolichopus cuprinus Wiedemann, 1830 | Shortstalk false bindweed |
| Dolichopus czekanovskii Stackelberg, 1928 | |
| Dolichopus czekanowskii Stackelberg, 1928 | Low spurge |
| Dolichopus dakotensis Aldrich, 1893 | |
| Dolichopus dasyops Malloch, 1919 | |
| Dolichopus dasypodus Coquillett, 1910 | |
| Dolichopus decorus Van Duzee, 1921 | Howell's yampah |
| 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 digitus Van Duzee, 1921 | Howell's yampah |
| Dolichopus discessus Walker, 1849 | Largeflower milkweed |
| Dolichopus discolor Van Duzee, 1921 | Howell's yampah |
| Dolichopus distractus Walker, 1849 | Largeflower milkweed |
| Dolichopus diversipennis Curran, 1922 | |
| Dolichopus divigatus Harmston, 1952 | Guyanese pepper |
| Dolichopus dolosus Parent, 1934 | Erect cinquefoil |
| Dolichopus domesticus Van Duzee, 1921 | Howell's yampah |
| Dolichopus dorsalis Loew, 1862 | Howell's yampah |
| Dolichopus dorycerus Loew, 1864 | |
| Dolichopus duplicatus Aldrich, 1893 | |
| Dolichopus elegans Aldrich, 1922 | |
| Dolichopus enigma Melander & B..., 1900 | |
| Dolichopus eudactylus Loew, 1861 | |
| Dolichopus evolvens Parent, 1929 | |
| Dolichopus exclusus Walker, 1849 | Largeflower milkweed |
| Dolichopus facirecedens Harmston & K..., 1939 | |
| Dolichopus factivittatus Harmston, 1966 | Marigold pepper |
| Dolichopus fallax Van Duzee, 1933 | Masterwort |
| 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 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 fulgerus Holmgren, 1883 | |
| Dolichopus fulvipes Loew, 1862 | Jone's globemallow |
| Dolichopus fumosus Lundbeck, 1901 | Howell's yampah |
| Dolichopus funditor Staeger, 1845 | |
| Dolichopus gaigei Steyskal, 1973 | Palmer's ceanothus |
| Dolichopus genualis Van Duzee, 1921 | Howell's yampah |
| Dolichopus gladius Van Duzee, 1921 | Howell's yampah |
| Dolichopus grandis Aldrich, 1893 | |
| Dolichopus gratiolus Steyskal, 1973 | Palmer's ceanothus |
| Dolichopus gratus Loew, 1861 | |
| Dolichopus groenlandicus Zetterstedt, 1843 | |
| Dolichopus harbecki Van Duzee, 1921 | Howell's yampah |
| Dolichopus hardyi Harmston, 1951 | Higuillo |
| Dolichopus hastatus Loew, 1864 | |
| Dolichopus helenae James, 1939 | |
| Dolichopus hirsutitarsis Harmston, 1952 | |
| Dolichopus humilis Van Duzee, 1921 | Howell's yampah |
| Dolichopus idahoensis Aldrich, 1894 | |
| Dolichopus idoneus Van Duzee, 1921 | Howell's yampah |
| Dolichopus imperfectus Van Duzee, 1921 | Howell's yampah |
| Dolichopus incisuralis Loew, 1861 | |
| Dolichopus incongruus Wheeler, 1890 | Coastal groundcherry |
| Dolichopus indianus Harmston & K..., 1946 | |
| Dolichopus indigenus Van Duzee, 1921 | Howell's yampah |
| Dolichopus inflatus Aldrich, 1922 | |
| Dolichopus integripes Parent, 1929 | |
| Dolichopus intentus Melander & B..., 1900 | |
| Dolichopus interjectus Van Duzee, 1923 | Lemmon's yampah |
| Dolichopus iowaensis Harmston & K..., 1939 | |
| Dolichopus jaquesi Harmston & K..., 1939 | |
| Dolichopus johnsoni Aldrich, 1893 | |
| Dolichopus jugalis Tucker, 1911 | California eryngo |
| Dolichopus kansensis Aldrich, 1893 | |
| Dolichopus kleini Curran, 1934 | California sweetcicely |
| Dolichopus kyphotus Harmston, 1966 | Marigold pepper |
| Dolichopus laciniatus Coquillett, 1910 | |
| Dolichopus lamellicornis Thomson, 1869 | |
| Dolichopus lamellipes Walker, 1849 | Largeflower milkweed |
| Dolichopus laticornis Loew, 1861 | |
| Dolichopus latipes Loew, 1861 | |
| Dolichopus latronis Van Duzee, 1921 | Howell's yampah |
| Dolichopus leucacra James, 1939 | |
| Dolichopus litoralis Van Duzee, 1921 | Howell's yampah |
| Dolichopus lobatus Loew, 1861 | |
| Dolichopus longimanus Loew, 1861 | |
| Dolichopus longipennis Loew, 1861 | |
| Dolichopus longus Aldrich, 1922 | |
| Dolichopus lundbecki Curran, 1923 | |
| Dolichopus luteipennis Loew, 1861 | |
| Dolichopus maculitarsis Van Duzee, 1925 | Oregon yampah |
| Dolichopus magnantenna James, 1939 | |
| Dolichopus manicula Spencer, 1969 | Howell's yampah |
| Dolichopus marginatus Aldrich, 1893 | |
| Dolichopus melanderi (Van Duzee, 1921) | ⇒ Dolichopus perplexus Van Duzee, 1923 |
| Dolichopus melanocerus Loew, 1864 | |
| Dolichopus micropygus Wahlberg, 1851 | Milkwood |
| Dolichopus monarchus Harmston, 1968 | |
| Dolichopus monticola Van Duzee, 1921 | Howell's yampah |
| Dolichopus multisetosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus myosotus Osten Sacken, 1887 | |
| Dolichopus neomexicanus Harmston, 1951 | Higuillo |
| 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 nigroapicalis Van Duzee, 1930 | |
| Dolichopus nigropleurus Harmston, 1966 | Marigold pepper |
| Dolichopus nodipennis Van Duzee, 1921 | Howell's yampah |
| Dolichopus nomadus Harmston & K..., 1942 | |
| Dolichopus nubier Van Duzee, 1921 | |
| Dolichopus nubifer (Van Duzee, 1921) | ⇒ Dolichopus nubier Van Duzee, 1921 |
| Dolichopus nudus Loew, 1864 | |
| 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 opportunus Van Duzee, 1921 | Howell's yampah |
| Dolichopus oregonensis Van Duzee, 1927 | Parish's yampah |
| 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 paluster Melander & B..., 1900 | |
| Dolichopus pantomimus Melander & B..., 1900 | |
| Dolichopus partitus Melander & B..., 1900 | |
| Dolichopus parvicornis Van Duzee, 1921 | Howell's yampah |
| 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 phyllocerus Vockeroth, 1962 | American spurred gentian |
| Dolichopus pilatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus pingreensis James, 1939 | |
| Dolichopus plumitarsis Fallen, 1823 | Long-legged fly |
| Dolichopus plumosus Melander, 1913 | |
| Dolichopus pollex Osten Sacken, 1877 | |
| Dolichopus porphyrops Van Duzee, 1921 | Howell's yampah |
| Dolichopus praeustus Loew, 1862 | Jone's globemallow |
| Dolichopus puberiseta Griffiths, 1972 | Erect cinquefoil |
| Dolichopus pugil Loew, 1866 | Scarlet globemallow |
| Dolichopus pulcher Walker, 1852 | Bloodflower |
| Dolichopus pulchrimana Bigot, 1888 | |
| Dolichopus quadrilamellatus (Loew, 1864) | ⇒ Dolichopus bilamellatus Parent, 1929 |
| Dolichopus ramifer Spencer, 1969 | |
| Dolichopus recticosta Griffiths, 1972 | |
| Dolichopus reflectus Aldrich, 1893 | |
| Dolichopus refulgens (Harmston & K..., 1939) | ⇒ Dolichopus packardi Van Duzee, 1921 |
| Dolichopus remotus Walker, 1849 | Largeflower milkweed |
| Dolichopus remus Van Duzee, 1921 | Howell's yampah |
| Dolichopus renidescens Melander & B..., 1900 | |
| Dolichopus retinens Van Duzee, 1921 | Howell's yampah |
| Dolichopus ruficornis Loew, 1861 | |
| Dolichopus sarotes Loew, 1866 | Scarlet globemallow |
| Dolichopus scapularis Loew, 1861 | |
| Dolichopus scopifer James, 1939 | |
| Dolichopus sedulus 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 sexarticulatus Loew, 1864 | |
| Dolichopus shastaensis Harmston, 1966 | Marigold pepper |
| Dolichopus shelfordi Curran, 1934 | California sweetcicely |
| Dolichopus sicarius Van Duzee, 1921 | Howell's yampah |
| Dolichopus silvicola Harmston, 1951 | Higuillo |
| Dolichopus simplicipes Aldrich, 1922 | |
| Dolichopus simulans Frost, 1936 | Parish's yampah |
| Dolichopus sincerus Melander, 1900 | Mouseear cress |
| Dolichopus sinualaris Harmston, 1966 | Marigold pepper |
| Dolichopus slossonae Van Duzee, 1921 | Howell's yampah |
| Dolichopus smithae Harmston, 1966 | Marigold pepper |
| Dolichopus soccatus Walker, 1849 | Largeflower milkweed |
| Dolichopus socius Loew, 1862 | Jone's globemallow |
| Dolichopus solidus Van Duzee, 1921 | Howell's yampah |
| Dolichopus sordidatus Van Duzee, 1921 | Howell's yampah |
| Dolichopus speciosus Hendel, 1920 | Howell's yampah |
| Dolichopus sphaeristes Brues, 1901 | |
| Dolichopus sporadicum Harmston & K..., 1942 | |
| Dolichopus squamiciliatus Harmston, 1966 | |
| Dolichopus squamosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus steyskali Robinson, 1964 | Smooth yellow vetch |
| Dolichopus stricklandi Harmston & K..., 1939 | |
| Dolichopus subciliatus Loew, 1864 | |
| Dolichopus subcostatus Van Duzee, 1930 | Parsley |
| Dolichopus subspina Walker, 1853 | Parish's yampah |
| 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 tener Coquillett, 1902 | |
| Dolichopus tenuimanus Van Duzee, 1932 | |
| Dolichopus tenuipes Aldrich, 1894 | |
| Dolichopus terminalis Loew, 1866 | Scarlet globemallow |
| Dolichopus terminatus Walker, 1849 | Largeflower milkweed |
| Dolichopus tetricus Loew, 1864 | |
| Dolichopus tonsus Loew, 1861 | |
| Dolichopus townsendi Aldrich, 1922 | |
| Dolichopus trisetosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus uliginosus (Van Duzee, 1923) | ⇒ Dolichopus lepidus Stæger, 1842 |
| Dolichopus umbrosus Van Duzee, 1921 | Howell's yampah |
| Dolichopus ungulata Linnaeus, 1758 | |
| Dolichopus utahensis Harmston & K..., 1943 | |
| Dolichopus uxorcula Van Duzee, 1921 | Howell's yampah |
| Dolichopus vanduzeei Curran, 1922 | |
| Dolichopus variabilis Loew, 1861 | |
| Dolichopus varipes Coquillett, 1900 | |
| Dolichopus vegetus Harmston, 1952 | Guyanese pepper |
| Dolichopus vernaae Harmston & K..., 1940 | |
| 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 viridis Van Duzee, 1921 | Howell's yampah |
| Dolichopus vittatus Loew, 1861 | |
| Dolichopus walkeri Van Duzee, 1921 | Howell's yampah |
| Dolichopus wheeleri Melander & B..., 1900 | Daggerpod |
| Dolichopus xanthocnemus Loew, 1864 | |
| Dolichopus zygomus Harmston, 1966 | Marigold pepper |
| Gymnopternus anarmostus Melander, 1900 | |
| Gymnopternus brevipes Van Duzee, 1933 | |
| Gymnopternus brunneifacies Robinson, 1960 | |
| Gymnopternus consanguineus Harmston, 1952 | |
| Gymnopternus currani Van Duzee, 1930 | |
| Gymnopternus flavitarsis Van Duzee, 1925 | |
| Gymnopternus maculiventris Van Duzee, 1925 | |
| Gymnopternus ovaticornis Van Duzee, 1933 | |
| Gymnopternus pallidiciliatus Van Duzee, 1930 | |
| Gymnopternus purpuratus Van Duzee, 1925 | |
| Gymnopternus robustus Van Duzee, 1925 | |
| Gymnopternus vetitus Melander, 1900 | |
| Hercostomus albiceps Loew, 1861 | |
| Hercostomus albipodus Harmston & K..., 1941 | |
| Hercostomus aldrichi Robinson, 1964 | |
| Hercostomus anarmostus (Melander, 1900) | ⇒ Gymnopternus anarmostus Melander, 1900 |
| Hercostomus annulatus Van Duzee, 1926 | |
| Hercostomus annulipes Robinson, 1964 | |
| Hercostomus anomalocerus Robinson, 1964 | |
| Hercostomus aurifer Thomson, 1869 | |
| Hercostomus barbatulus Loew, 1861 | |
| Hercostomus brevipes (Van Duzee, 1933) | ⇒ Gymnopternus brevipes Van Duzee, 1933 |
| Hercostomus brunneifacies (Robinson, 1960) | ⇒ Gymnopternus brunneifacies Robinson, 1960 |
| Hercostomus cacheae Harmston & K..., 1941 | |
| Hercostomus californicus Van Duzee, 1920 | |
| Hercostomus campsicnemoides Robinson, 1964 | |
| Hercostomus chaetilamellus Harmston & K..., 1941 | |
| Hercostomus chetifer Walker, 1849 | |
| Hercostomus coloradensis Harmston, 1952 | Guyanese pepper |
| Hercostomus consanguineus (Harmston, 1952) | ⇒ Gymnopternus consanguineus Harmston, 1952 |
| Hercostomus constrictus Robinson, 1964 | |
| Hercostomus costalis Melander, 1920 | Lemmon's yampah |
| Hercostomus coxalis Loew, 1864 | |
| Hercostomus crassicauda Loew, 1861 | |
| Hercostomus cryptus Fisher & Orth, 1971 | |
| Hercostomus cumberlandensis Robinson, 1964 | |
| Hercostomus cuneicornis Robinson, 1964 | |
| Hercostomus currani (Van Duzee, 1930) | ⇒ Gymnopternus currani Van Duzee, 1930 |
| Hercostomus debilis Loew, 1861 | |
| Hercostomus despicatus Loew, 1861 | |
| Hercostomus difficilis Loew, 1861 | |
| Hercostomus dorsalis Van Duzee, 1914 | |
| Hercostomus exilis Loew, 1861 | |
| Hercostomus fimbriatus Loew, 1861 | |
| Hercostomus flaviciliatus Van Duzee, 1914 | Bolander's yampah |
| Hercostomus flavitarsis (Van Duzee, 1925) | ⇒ Gymnopternus flavitarsis Van Duzee, 1925 |
| Hercostomus flaviventris Robinson, 1964 | |
| Hercostomus flavus Loew, 1861 | |
| Hercostomus floridensis Robinson, 1964 | |
| Hercostomus flutatus Harmston & K..., 1945 | Higuillo de limon |
| Hercostomus frequens Loew, 1861 | |
| Hercostomus humilis Loew, 1864 | |
| Hercostomus hybridus Robinson, 1964 | |
| Hercostomus impudicus Wheeler, 1899 | Heartleaf groundcherry |
| Hercostomus indianus Harmston, 1952 | Guyanese pepper |
| Hercostomus laevigatus Loew, 1861 | |
| Hercostomus laffooni Robinson, 1964 | |
| Hercostomus lividifrons Van Duzee, 1926 | |
| Hercostomus longilamellus Harmston & K..., 1940 | |
| Hercostomus lunifer Loew, 1861 | |
| Hercostomus maculiventris (Van Duzee, 1925) | ⇒ Gymnopternus maculiventris Van Duzee, 1925 |
| Hercostomus meniscoides Robinson, 1964 | |
| Hercostomus meniscus Loew, 1864 | |
| Hercostomus minutus Loew, 1861 | |
| Hercostomus mirificus Melander, 1900 | |
| Hercostomus neocryptus Harmston & K..., 1941 | Jamaican pepper |
| Hercostomus nigribarbus Loew, 1861 | |
| Hercostomus nigricomus Robinson, 1964 | |
| Hercostomus nigricoxa Van Duzee, 1924 | |
| Hercostomus nigrifacies Van Duzee, 1933 | Masterwort |
| Hercostomus obscurus Say, 1823 | |
| Hercostomus obtusicauda Van Duzee, 1924 | |
| Hercostomus occidentalis Cole, 1912 | |
| Hercostomus ohioensis Robinson, 1964 | |
| Hercostomus opacus Loew, 1861 | |
| Hercostomus orbicularis Harmston, 1952 | Guyanese pepper |
| Hercostomus ovaticornis (Van Duzee, 1933) | ⇒ Gymnopternus ovaticornis Van Duzee, 1933 |
| Hercostomus pallidiciliatus (Van Duzee, 1930) | ⇒ Gymnopternus pallidiciliatus Van Duzee, 1930 |
| Hercostomus parvicornis Loew, 1861 | |
| Hercostomus politus Loew, 1861 | |
| Hercostomus propriofacies Robinson, 1964 | |
| Hercostomus pseudodebilis Robinson, 1964 | |
| Hercostomus purpuratus (Van Duzee, 1925) | ⇒ Gymnopternus purpuratus Van Duzee, 1925 |
| Hercostomus purus Harmston & K..., 1963 | Black pepper |
| Hercostomus pusillus Loew, 1864 | |
| Hercostomus robustus (Van Duzee, 1925) | ⇒ Gymnopternus robustus Van Duzee, 1925 |
| Hercostomus schlingeri Harmston & K..., 1963 | Black pepper |
| Hercostomus scotias Loew, 1861 | |
| Hercostomus setosa Van Duzee, 1913 | |
| Hercostomus sharpi Robinson, 1964 | |
| Hercostomus singularis Van Duzee, 1924 | |
| Hercostomus spectabilis Loew, 1861 | |
| Hercostomus stanfordi Harmston & K..., 1940 | |
| Hercostomus subdilatatus Loew, 1861 | |
| Hercostomus subulatus Loew, 1861 | |
| Hercostomus synolcus Steyskal, 1966 | |
| Hercostomus tennesseensis Robinson, 1964 | |
| Hercostomus tenuicauda Van Duzee, 1928 | |
| Hercostomus tibialis Van Duzee, 1913 | |
| Hercostomus tristis Loew, 1864 | |
| Hercostomus truncatus Harmston & K..., 1940 | |
| Hercostomus unicolor Loew, 1864 | |
| Hercostomus utahensis Harmston & K..., 1940 | |
| Hercostomus vanduzeei Curran, 1930 | |
| Hercostomus ventralis Loew, 1861 | |
| Hercostomus vernaculus Van Duzee, 1924 | |
| Hercostomus vetitus (Melander, 1900) | ⇒ Gymnopternus vetitus Melander, 1900 |
| Hercostomus violaceus Van Duzee, 1921 | |
| Hercostomus vockerothi Robinson, 1964 | |
| Hercostomus wasatchensis Harmston & K..., 1943 | |
| Hercostomus weemsi Robinson, 1964 | |
| Paraclius aberrans Robinson, 1964 | Smooth yellow vetch |
| Paraclius alternans Loew, 1864 | |
| Paraclius claviculatus Loew, 1866 | Scarlet globemallow |
| Paraclius consors Walker, 1852 | |
| Paraclius filifer Aldrich, 1896 | |
| Paraclius flagellatus Harmston, 1952 | |
| Paraclius floridensis Robinson, 1964 | Smooth yellow vetch |
| Paraclius heteroneurus Macquart, 1850 | |
| Paraclius hybridus Melander, 1900 | Mouseear cress |
| Paraclius magnicornis Van Duzee, 1927 | Parish's yampah |
| Paraclius minutus Van Duzee, 1921 | Howell's yampah |
| Paraclius nigrocaudatus Van Duzee, 1918 | Common yampah |
| Paraclius ovatus Van Duzee, 1914 | Bolander's yampah |
| Paraclius propinquus Wheeler, 1899 | Heartleaf groundcherry |
| Paraclius pumilio Loew, 1872 | Juniper globemallow |
| Paraclius quadrinotatus Aldrich, 1902 | |
| Paraclius utahensis Harmston & K..., 1946 | |
| Pelastoneurus abbreviatus Loew, 1864 | |
| Pelastoneurus aldrichi Van Duzee, 1923 | Lemmon's yampah |
| Pelastoneurus angulatus Robinson, 1964 | Smooth yellow vetch |
| Pelastoneurus asciaeformis Becker, 1922 | |
| Pelastoneurus aurifacies Van Duzee, 1923 | Lemmon's yampah |
| Pelastoneurus barri Harmston, 1972 | Spanish elder |
| Pelastoneurus bifrons Walker, 1852 | |
| Pelastoneurus brevis Robinson, 1964 | Smooth yellow vetch |
| Pelastoneurus cognatus Loew, 1861 | |
| Pelastoneurus comatus Robinson, 1992 | |
| Pelastoneurus cyaneus Wheeler, 1899 | Heartleaf groundcherry |
| Pelastoneurus dissimilipes Wheeler, 1899 | Heartleaf groundcherry |
| Pelastoneurus floridanus Wheeler, 1899 | Heartleaf groundcherry |
| Pelastoneurus furcifer Loew, 1872 | Juniper globemallow |
| Pelastoneurus hebes Walker, 1852 | |
| Pelastoneurus ineptus Walker, 1852 | |
| Pelastoneurus irrasus Walker, 1849 | |
| Pelastoneurus kansensis Aldrich, 1894 | |
| Pelastoneurus laetus Loew, 1861 | |
| Pelastoneurus lamellatus Loew, 1864 | |
| Pelastoneurus latifacies Van Duzee, 1930 | Parsley |
| Pelastoneurus longicauda Loew, 1861 | |
| Pelastoneurus lugubris Loew, 1861 | Long-legged fly |
| Pelastoneurus maculipes Walker, 1852 | |
| Pelastoneurus neglectus Wheeler, 1899 | Heartleaf groundcherry |
| Pelastoneurus nigricornis Van Duzee, 1923 | Lemmon's yampah |
| Pelastoneurus occidentalis Malloch, 1920 | Heartleaf groundcherry |
| Pelastoneurus parvus Thomson, 1869 | |
| Pelastoneurus potomacus Robinson, 1992 | |
| Pelastoneurus proximus Aldrich, 1904 | |
| Pelastoneurus scutatus Aldrich, 1904 | |
| Pelastoneurus semiplumatus Walker, 1853 | |
| Pelastoneurus seticauda Walker, 1849 | Parsley |
| Pelastoneurus stentorius Walker, 1853 | |
| Pelastoneurus tibialis Van Duzee, 1923 | Lemmon's yampah |
| Pelastoneurus umbripictus Becker, 1922 | |
| Pelastoneurus vagans Loew, 1861 | |
| Pelastoneurus varius Walker, 1852 | |
| Pelastoneurus wheeleri Melander, 1900 | Mouseear cress |
| Tachytrechus albonotatus Loew, 1864 | |
| Tachytrechus ammobates Haliday, 1851 | |
| Tachytrechus angulatus Van Duzee, 1914 | |
| Tachytrechus angustipennis Loew, 1862 | Jone's globemallow |
| Tachytrechus argyropus Becker, 1922 | |
| Tachytrechus auratus Aldrich, 1896 | |
| Tachytrechus binodatus Loew, 1866 | Scarlet globemallow |
| Tachytrechus boharti Harmston, 1968 | |
| Tachytrechus californicus Harmston & K..., 1943 | |
| Tachytrechus castus Wheeler, 1899 | |
| Tachytrechus consobrinus Haliday, 1851 | |
| Tachytrechus contingens Walker, 1852 | |
| Tachytrechus dilaticosta Van Duzee, 1927 | |
| Tachytrechus duplicatus Harmston, 1972 | Spanish elder |
| Tachytrechus flabellifer Osten Sacken, 1877 | |
| Tachytrechus flavitibialis Van Duzee, 1930 | |
| Tachytrechus floridensis Aldrich, 1896 | |
| Tachytrechus granditarsis Greene, 1922 | Marginal woodfern |
| Tachytrechus greeni Foote, Couls..., 1965 | |
| Tachytrechus indianus Harmston & K..., 1946 | |
| Tachytrechus laticrus Van Duzee, 1918 | Common yampah |
| Tachytrechus mchughi Harmston, 1972 | Spanish elder |
| Tachytrechus milleri Harmston, 1966 | Marigold pepper |
| Tachytrechus moechus Loew, 1861 | |
| Tachytrechus mysticus Becker, 1922 | |
| Tachytrechus nigrifemoratus Van Duzee, 1927 | |
| Tachytrechus nimius Aldrich, 1901 | |
| Tachytrechus nitidus Van Duzee, 1927 | |
| Tachytrechus notatus Stannius, 1831 | |
| Tachytrechus olympiae Aldrich, 1896 | |
| Tachytrechus protervus Melander, 1900 | Mouseear cress |
| Tachytrechus rotundipennis Greene, 1922 | Marginal woodfern |
| Tachytrechus sanus Osten Sacken, 1877 | |
| Tachytrechus simulatus Greene, 1922 | Marginal woodfern |
| Tachytrechus spinitarsis Van Duzee, 1924 | |
| Tachytrechus tahoensis Harmston & K..., 1940 | |
| Tachytrechus tenuiseta Greene, 1922 | Marginal woodfern |
| Tachytrechus utahensis Harmston & K..., 1940 | |
| Tachytrechus volitans Melander, 1900 | Mouseear cress |
| Tachytrechus vorax Loew, 1861 | |
