Aphrosylus californicus Harmston 1952 (Aphrosylus)
Aphrosylus direptor Wheeler 1897 (Aphrosylus)
Aphrosylus grassator Wheeler 1897 (Aphrosylus)
Aphrosylus nigripennis Van Duzee 1924 (Aphrosylus)
Aphrosylus praedator Wheeler 1897 (Aphrosylus)
Aphrosylus wirthi Harmston 1951 (Aphrosylus)

Argyra abdominalis Say 1829 (Dolichopus)
Argyra albicans Loew 1861 (Argyra)
Argyra albicoxa Van Duzee 1925 (Argyra)
Argyra albiventris Loew 1864 (Argyra)
Argyra aldrichi Johnson 1904 (Argyra)
Argyra angustata Van Duzee 1925 (Argyra)
Argyra argentiventris Van Duzee 1925 (Argyra)
Argyra barbipes Van Duzee 1925 (Argyra)
Argyra basalis Van Duzee 1932 (Argyra)
Argyra bimaculata Van Duzee 1925 (Argyra)
Argyra brevipes Van Duzee 1925 (Argyra)
Argyra calceata Loew 1861 (Argyra)
Argyra calcitrans Loew 1861 (Argyra)
Argyra californica Van Duzee 1925 (Argyra)
Argyra ciliata Van Duzee 1924 (Argyra)
Argyra cingulata Loew 1861 (Leucostola)
Argyra condomina Harmston and Knowlton 1946 (Argyra)
Argyra currani Van Duzee 1925 (Argyra)
Argyra cylindrica Loew 1864 (Argyra)
Argyra dakotensis Harmston and Knowlton 1939 (Argyra)
Argyra fasciventris Van Duzee 1930 (Argyra)
Argyra femoralis Van Duzee 1925 (Argyra)
Argyra flavicornis Van Duzee 1925 (Argyra)
Argyra flavicoxa Van Duzee 1925 (Argyra)
Argyra flavipes Van Duzee 1925 (Argyra)
Argyra grayi Robinson 1964 (Argyra)
Argyra hirta Van Duzee 1925 (Argyra)
Argyra idahona Harmston and Knowlton 1946 (Argyra)
Argyra inaequalis Van Duzee 1925 (Argyra)
Argyra involuta Van Duzee 1925 (Argyra)
Argyra johnsoni Van Duzee 1925 (Argyra)
Argyra minuta Loew 1861 (Argyra)
Argyra nigricoxa Van Duzee 1925 (Argyra)
Argyra nigripes Loew 1864 (Argyra)
Argyra nigriventris Van Duzee 1925 (Argyra)
Argyra obscura Van Duzee 1925 (Argyra)
Argyra pilosicornis Walker 1849 (Porphyrops)
Argyra robusta Johnson 1906 (Argyra)
Argyra scutellaris Van Duzee 1925 (Argyra)
Argyra sericata Van Duzee 1925 (Argyra)
Argyra setipes Van Duzee 1925 (Argyra)
Argyra similis Harmston and Knowlton 1940 (Argyra)
Argyra spina Van Duzee 1925 (Argyra)
Argyra splendens Van Duzee 1933 (Argyra)
Argyra thoracica Van Duzee 1925 (Argyra)
Argyra utahna Harmston 1951 (Argyra)
Argyra velutina Van Duzee 1925 (Argyra)

Asyndetus ammophilus Loew 1869 (Asyndetus)
Asyndetus appendiculatus Loew 1869 (Asyndetus)
Asyndetus caudatus Van Duzee 1916 (Asyndetus)
Asyndetus cornutus Van Duzee 1916 (Asyndetus)
Asyndetus crassipodus Harmston 1968 (Asyndetus)
Asyndetus flavipalpus Van Duzee 1932 (Asyndetus)
Asyndetus harbeckii Van Duzee 1914 (Asyndetus)
Asyndetus hardyi Robinson 1964 (Asyndetus)
Asyndetus interruptus Loew 1861 (Diaphorus)
Asyndetus johnsoni Van Duzee 1916 (Asyndetus)
Asyndetus latus Van Duzee 1916 (Asyndetus)
Asyndetus nevadensis Harmston 1968 (Asyndetus)
Asyndetus nigripes Van Duzee 1916 (Asyndetus)
Asyndetus occidentalis Van Duzee 1919 (Asyndetus)
Asyndetus oregonensis Harmston 1966 (Asyndetus)
Asyndetus parvicornis Van Duzee 1932 (Asyndetus)
Asyndetus scopifer Harmston 1952 (Asyndetus)
Asyndetus severini Harmston and Knowlton 1939 (Asyndetus)
Asyndetus spinitarsis Harmston 1951 (Asyndetus)
Asyndetus syntormoides Wheeler 1899 (Asyndetus)
Asyndetus texanus Van Duzee 1916 (Asyndetus)
Asyndetus utahensis Harmston and Knowlton 1942 (Asyndetus)

Calyxochaetus cilifemoratus Van Duzee 1924 (Nothosympycnus)
Calyxochaetus clavicornis Van Duzee 1930 (Sympycnus)
Calyxochaetus distortus Van Duzee 1930 (Sympycnus)
Calyxochaetus fortunatus Wheeler 1899 (Nothosympycnus)
Calyxochaetus frontalis Loew 1861 (Sympycnus)
Calyxochaetus hastatus Van Duzee 1930 (Sympycnus)
Calyxochaetus inornatus Van Duzee 1917 (Nothosympcnus)
Calyxochaetus insolitus Van Duzee 1932 (Sympycnus)
Calyxochaetus luteipes Van Duzee 1923 (Nothosympycnus)
Calyxochaetus monticola Van Duzee 1932 (Sympycnus)
Calyxochaetus nodatus Loew 1862 (Sympycnus)
Calyxochaetus oreas Wheeler 1899 (Nothosympycnus)
Calyxochaetus sobrinus Wheeler 1899 (Nothosympycnus)
Calyxochaetus vegetus Wheeler 1899 (Nothosympycnus)

Campsicnemus alaskensis Harmston and Miller 1966 (Campsicnemus)
Campsicnemus alexanderi Harmston and Miller 1966 (Campsicnemus) Campsicnemus americanus Van Duzee 1924 (Campsicnemus)
Campsicnemus arcuatus Van Duzee 1917 (Campsicnemus)
Campsicnemus bryanti Malloch 1932 (Campsicnemus)
Campsicnemus cinctipus Harmston 1968 (Campsicnemus)
Campsicnemus claudicans Loew 1864 (Campsicnemus)
Campsicnemus coloradensis Harmston and Miller 1966 (Campsicnemus)
Campsicnemus curvispina Van Duzee 1930 (Campsicnemus)
Campsicnemus degener Wheeler 1899 (Campsicnemus)
Campsicnemus hirtipes Loew 1861 (Campsicnemus)
Campsicnemus melanus Harmston and Knowlton 1942 (Campsicnemus)
Campsicnemus milleri Harmston 1966 (Campsicnemus)
Campsicnemus montanus Harmston and Knowlton 1942 (Campsicnemus)
Campsicnemus nigripes Van Duzee 1917 (Campsicnemus)
Campsicnemus oedipus Wheeler 1899 (Campsicnemus)
Campsicnemus oregonensis Harmston and Miller 1966 (Campsicnemus)
Campsicnemus philoctetes Wheeler 1899 (Campsicnemus)
Campsicnemus thersites Wheeler 1899 (Campsicnemus)
Campsicnemus utahensis Harmston and Knowlton 1942 (Campsicnemus)
Campsicnemus vanduzeei Curran 1933 (Campsicnemus)
Campsicnemus wheeleri Van Duzee 1923 (Campsicnemus)

Chrysotimus arizonicus Robinson 1967 (Chrysotimus)
Chrysotimus delicatus Loew 1861 (Chrysotimus)
Chrysotimus flavicornis Van Duzee 1916 (Chrysotimus)
Chrysotimus luteopalpus Curran 1923 (Chrysotimus)
Chrysotimus luteus Curran 1930 (Chrysotimus)
Chrysotimus occidentalis Harmston 1951 (Chrysotimus)
Chrysotimus pusio Loew 1861 (Chrysotimus)

Chrysotus affinis Loew 1861 (Chrysotus)
Chrysotus agalmus Harmston and Rapp 1968 (Chrysotus)
Chrysotus albohirtus Van Duzee 1924 (Chrysotus)
Chrysotus aldrichi Van Duzee 1924 (Chrysotus)
Chrysotus annulatus Van Duzee 1924 (Chrysotus)
Chrysotus anomalus Malloch 1914 (Chrysotus)
Chrysotus arcuatus Van Duzee 1924 (Chrysotus)
Chrysotus argentatus Van Duzee 1924 (Chrysotus)
Chrysotus arkansensis Van Duzee 1930 (Chrysotus)
Chrysotus atratus Van Duzee 1930 (Chrysotus)
Chrysotus auratus Loew 1861 (Chrysotus)
Chrysotus badius Van Duzee 1932 (Chrysotus)
Chrysotus barbatus Loew 1861 (Synarthrus)
Chrysotus barbipes Van Duzee 1932 (Chrysotus)
Chrysotus bellulus Van Duzee 1932 (Chrysotus)
Chrysotus bellus Van Duzee 1924 (Chrysotus)
Chrysotus bracteatus Van Duzee 1924 (Chrysotus)
Chrysotus caerulus Van Duzee 1924 (Chrysotus)
Chrysotus californicus Van Duzee 1924 (Chrysotus)
Chrysotus canadensis Van Duzee 1924 (Chrysotus)
Chrysotus caroliniensis Robinson 1964 (Chrysotus)
Chrysotus caudatus Van Duzee 1924 (Chrysotus)
Chrysotus chlanoflavus Harmston and Knowlton 1940 (Chrysotus) Chrysotus choricus Wheeler 1890 (Chrysotus)
Chrysotus clypeatus Robinson 1967 (Chrysotus)
Chrysotus coloradensis Van Duzee 1924 (Chrysotus)
Chrysotus convergens Van Duzee 1924 (Chrysotus)
Chrysotus cornutus Loew 1862 (Chrysotus)
Chrysotus costalis Loew 1861 (Chrysotus)
Chrysotus cressoni Van Duzee 1924 (Chrysotus)
Chrysotus crosbyi Van Duzee 1924 (Chrysotus)
Chrysotus currani Van Duzee 1924 (Chrysotus)
Chrysotus dakotensis Harmston 1952 (Chrysotus)
Chrysotus discolor Loew 1861 (Chrysotus)
Chrysotus disjunctus Van Duzee 1924 (Chrysotus)
Chrysotus distinctus Van Duzee 1924 (Chrysotus)
Chrysotus dividuus Van Duzee 1924 (Chrysotus)
Chrysotus dorsalis Van Duzee 1924 (Chrysotus)
Chrysotus emarginatus Van Duzee 1928 (Chrysotus)
Chrysotus excisus Aldrich 1896 (Chrysotus)
Chrysotus exilis Van Duzee 1924 (Chrysotus)
Chrysotus flavicauda Van Duzee 1928 (Chrysotus)
Chrysotus flavisetus Malloch 1914 (Chrysotus)
Chrysotus frontalis Van Duzee 1924 (Chrysotus)
Chrysotus fulvohirtus Van Duzee 1915 (Chrysotus)
Chrysotus furcatus Robinson 1964 (Chrysotus)
Chrysotus gilvipes Van Duzee 1924 (Chrysotus)
Chrysotus halteralis Van Duzee 1924 (Chrysotus)
Chrysotus hastatus Van Duzee 1924 (Chrysotus)
Chrysotus hirtipes Van Duzee 1924 (Chrysotus)
Chrysotus humilis Parent 1928 (Chrysotus)
Chrysotus idahoensis Van Duzee 1924 (Chrysotus)
Chrysotus incertus Walker 1849 (Chrysotus)
Chrysotus intrudus Harmston 1951 (Chrysotus)
Chrysotus johnsoni Van Duzee 1924 (Chrysotus)
Chrysotus junctus Van Duzee 1924 (Chrysotus)
Chrysotus kansensis Harmston 1952 (Chrysotus)
Chrysotus lamellifer Robinson 1964 (Chrysotus)
Chrysotus litoralis Robinson 1964 (Chrysotus)
Chrysotus longihirtus Van Duzee 1932 (Chrysotus)
Chrysotus longimanus Loew 1861 (Chrysotus)
Chrysotus magnicornis Van Duzee 1924 (Chrysotus)
Chrysotus major Van Duzee 1924 (Chrysotus)
Chrysotus neopicticornis Robinson 1967 (Chrysotus)
Chrysotus nigriciliatus Van Duzee 1933 (Chrysotus)
Chrysotus nigrifrons Parent 1929 (Chrysotus)
Chrysotus nigripalpis Van Duzee 1924 (Chrysotus)
Chrysotus nubilus Say 1829 (Chrysotus)
Chrysotus nudipes Van Duzee 1924 (Chrysotus)
Chrysotus nudus Harmston and Knowlton 1963 (Chrysotus)
Chrysotus obliquus Loew 1861 (Chrysotus)
Chrysotus pallipes Loew 1861 (Chrysotus)
Chrysotus palpiger Wheeler 1890 (Diaphorus)
Chrysotus parvicornis Van Duzee 1924 (Chrysotus)
Chrysotus parvulus Van Duzee 1924 (Chrysotus)
Chrysotus pectoralis Van Duzee 1924 (Chrysotus)
Chrysotus philtrum Melander 1903 (Chrysotus)
Chrysotus picticornis Loew 1862 (Chrysotus)
Chrysotus pomeroyi Parent 1934 (Chrysotus)
Chrysotus rauterbergi Wheeler 1890 (Diaphorus)
Chrysotus sagittarius Van Duzee 1924 (Chrysotus)
Chrysotus silvicolus Harmston 1951 (Chrysotus)
Chrysotus simulans Van Duzee 1924 (Chrysotus)
Chrysotus subcostatus Loew 1864 (Chrysotus)
Chrysotus subjectus Van Duzee 1924 (Chrysotus)
Chrysotus tarsalis Van Duzee 1924 (Chrysotus)
Chrysotus teapanus Aldrich 1901 (Chrysotus)
Chrysotus tennesseensis Robinson 1964 (Chrysotus)
Chrysotus terminalis Van Duzee 1924 (Chrysotus)
Chrysotus tibialis Van Duzee 1924 (Chrysotus)
Chrysotus triangularis Van Duzee 1924 (Chrysotus)
Chrysotus varipes Van Duzee 1924 (Chrysotus)
Chrysotus viridifemora Macquart 1850 (Chrysotus)
Chrysotus vividus Loew 1864 (Chrysotus)
Chrysotus vulgaris Van Duzee 1924 (Chrysotus)
Chrysotus wiconsinensis Wheeler 1890 (Chrysotus)
Chrysotus xanthocal Harmston and Knowlton 1940 (Chrysotus)

Condylostylus albicoxa Walker 1849 (Psilopus)
Condylostylus banksii Van Duzee 1915 (Sciapus)
Condylostylus brimleyi Robinson 1964 (Condylostylus)
Condylostylus calcaratus Loew 1861 (Psilopus)
Condylostylus caudatus Wiedemann 1830 (Psilopus)
Condylostylus chalybeus Van Duzee 1914 (Sciapus)
Condylostylus chrysoprasi Walker 1849 (Psilopus)
Condylostylus clavatus Van Duzee 1929 (Psilopus)
Condylostylus coloradensis Van Duzee 1932 (Condylostylus)
Condylostylus comatus Loew 1861 (Psilopus)
Condylostylus connectans Curran 1942 (Laxina)
Condylostylus crinitus Aldrich 1904 (Psilopodinus)
Condylostylus currani Parent 1929 (Condylostylus)
Condylostylus debilis Becker 1922 (Condylostylus)
Condylostylus dimidiatus Loew 1862 (Psilopus)
Condylostylus erectus Becker 1922 (Condylostylus)
Condylostylus femoratus Say 1823 (Dolichopus)
Condylostylus flavipes Aldrich 1904 (Psilopodinus)
Condylostylus furcatus Van Duzee 1915 (Sciapus)
Condylostylus fusitarsis Van Duzee 1933 (Condylostylus)
Condylostylus graenicheri Van Duzee 1927 (Psilopus)
Condylostylus inermis Loew 1861 (Psilopus)
Condylostylus inornatus Aldrich 1901 (Psilopus)
Condylostylus jucundus Loew 1861 (Psilopus)
Condylostylus leonardi Van Duzee 1915 (Sciapus)
Condylostylus longitalus Van Duzee 1923 (Psilopus)
Condylostylus melampus Loew 1862 (Psilopus)
Condylostylus mundus Wiedemann 1830 (Psilopus)
Condylostylus nigrofemoratus Walker 1849 (Psilopus)
Condylostylus occidentalis Bigot 1888 (Psilopodinus)
Condylostylus ogilvii Malloch 1932 (Sciapus)
Condylostylus parvicauda Van Duzee 1927 (Psilopus)
Condylostylus patibulatus Say 1823 (Dolichopus)
Condylostylus pilicornis Aldrich 1904 (Psilopodinus)
Condylostylus portoricensis Macquart 1834 (Psilopus)
Condylostylus pruinosus Coquillett 1904 (Sciapus)
Condylostylus quintusflavus Gunther 1980 (Condylostylus)
Condylostylus radians Macquart 1834 (Psilopus)
Condylostylus semicomatus Van Duzee 1929 (Psilopus)
Condylostylus similis Aldrich 1901 (Psilopus)
Condylostylus sipho Say 1823 (Dolichopus)
Condylostylus tonsus Aldrich 1901 (Psilopus)
Condylostylus viridicoxa Aldrich 1904 (Psilopodinus)
Condylostylus viridis Parent 1929 (Condylostylus)

Diaphorus aldrichi Van Duzee 1915 (Diaphorus)
Diaphorus alienus Van Duzee 1915 (Diaphorus)
Diaphorus argentifacies Van Duzee 1932 (Diaphorus)
Diaphorus australis Van Duzee 1915 (Diaphorus)
Diaphorus bakeri Robinson 1967 (Diaphorus)
Diaphorus basalis Van Duzee 1915 (Diaphorus)
Diaphorus brevinervis Van Duzee 1924 (Diaphorus)
Diaphorus californicus Van Duzee 1917 (Diaphorus)
Diaphorus canus Robinson 1964 (Diaphorus)
Diaphorus consanguineus Harmston and Knowlton 1963 (Diaphorus)
Diaphorus funeralis Parent 1929 (Diaphorus)
Diaphorus fuscus Van Duzee 1921 (Diaphorus)
Diaphorus gibbosus Van Duzee 1915 (Diaphorus)
Diaphorus hirsutus Van Duzee 1921 (Diaphorus)
Diaphorus inornatus Van Duzee 1917 (Diaphorus)
Diaphorus intermedius Robinson 1964 (Diaphorus)
Diaphorus iowensis Robinson 1964 (Diaphorus)
Diaphorus junctus Van Duzee 1917 (Diaphorus)
Diaphorus laffooni Robinson 1964 (Diaphorus)
Diaphorus lamellatus Loew 1864 (Diaphorus)
Diaphorus latifacies Van Duzee 1932 (Diaphorus)
Diaphorus leucostoma Loew 1861 (Diaphorus)
Diaphorus longilamellus Harmston 1971 (Diaphorus)
Diaphorus mundus Loew 1861 (Diaphorus)
Diaphorus nigricans Meigen 1824 (Diaphorus)
Diaphorus nudus Van Duzee 1917 (Diaphorus)
Diaphorus occidentalis Van Duzee 1915 (Diaphorus)
Diaphorus parmatus Van Duzee 1915 (Diaphorus)
Diaphorus pseudopacus Robinson 1964 (Diaphorus)
Diaphorus quadratus Van Duzee 1915 (Diaphorus)
Diaphorus remulus Van Duzee 1915 (Diaphorus)
Diaphorus repandus Van Duzee 1915 (Diaphorus)
Diaphorus similis Van Duzee 1915 (Diaphorus)
Diaphorus slossonae Van Duzee 1932 (Diaphorus)
Diaphorus snowii Van Duzee 1917 (Diaphorus)
Diaphorus sodalis Loew 1861 (Diaphorus)
Diaphorus sparsus Van Duzee 1917 (Diaphorus)
Diaphorus spectabilis Loew 1861 (Diaphorus)
Diaphorus spinitalus Van Duzee 1923 (Diaphorus)
Diaphorus texanus Van Duzee 1932 (Diaphorus)
Diaphorus triangulatus Van Duzee 1915 (Diaphorus)
Diaphorus trivittatus Van Duzee 1915 (Diaphorus)
Diaphorus usitatus Van Duzee 1915 (Diaphorus)
Diaphorus vanduzeei Robinson 1964 (Diaphorus)
Diaphorus variabilis Van Duzee 1915 (Diaphorus)
Diaphorus versicolor Van Duzee 1932 (Diaphorus)
Diaphorus vulsus Van Duzee 1917 (Diaphorus)

Diostracus mchughi Harmston 1966 (Diostracus)
Diostracus olga Aldrich 1911 (Diostracus)
Diostracus prasinus Loew 1861 (Diostracus)

Dolichopus abaftanus Harmston 1966 (Dolichopus)
Dolichopus abbreviatus Van Duzee 1921 (Dolichopus)
Dolichopus aboriginis Harmston and Knowlton 1943 (Dolichopus)
Dolichopus abrasus Van Duzee 1921 (Dolichopus)
Dolichopus abruptus Aldrich 1922 (Dolichopus)
Dolichopus absonus Van Duzee 1921 (Dolichopus)
Dolichopus accidentalis Harmston and Knowlton 1941 (Dolichopus) Dolichopus acricola Van Duzee 1921 (Dolichopus)
Dolichopus acuminatus Loew 1861 (Dolichopus)
Dolichopus acutus Van Duzee 1921 (Dolichopus)
Dolichopus adaequatus Van Duzee 1921 (Dolichopus)
Dolichopus adjacens Walker 1849 (Dolichopus)
Dolichopus adultus Van Duzee 1921 (Dolichopus)
Dolichopus aequalis Van Duzee 1921 (Dolichopus)
Dolichopus aeratus Van Duzee 1921 (Dolichopus)
Dolichopus aethiops Van Duzee 1921 (Dolichopus)
Dolichopus affinis Walker 1849 (Dolichopus)
Dolichopus afflictus Osten Sacken 1877 (Hygroceleuthus)
Dolichopus affluens Van Duzee 1921 (Dolichopus)
Dolichopus agronomus Melander and Brues 1900 (Dolichopus)
Dolichopus ainsliei Van Duzee 1921 (Dolichopus)
Dolichopus alacer Van Duzee 1921 (Dolichopus)
Dolichopus alberecrus Gunther 1979 (Dolichopus)
Dolichopus albertensis Curran 1922 (Dolichopus)
Dolichopus albiciliatus Loew 1862 (Dolichopus)
Dolichopus albicoxa Aldrich 1893 (Dolichopus)
Dolichopus albivestitarsis Robinson 1964 (Dolichopus)
Dolichopus aldrichii Wheeler 1899 (Hygroceleuthus)
Dolichopus amnicola Melander and Brues 1900 (Hygroceleuthus)
Dolichopus amphericus Melander and Brues 1900 (Dolichopus)
Dolichopus amplipennis Van Duzee 1921 (Dolichopus)
Dolichopus andersoni Curran 1924 (Dolichopus)
Dolichopus angustatus Aldrich 1893 (Dolichopus)
Dolichopus angusticornis Van Duzee 1921 (Dolichopus)
Dolichopus annaclareii Gunther 1979 (Dolichopus)
Dolichopus apheles Melander and Brues 1900 (Dolichopus)
Dolichopus appendiculatus Van Duzee 1921 (Dolichopus)
Dolichopus argentipes Van Duzee 1921 (Dolichopus)
Dolichopus arizonicus Harmston 1951 (Dolichopus)
Dolichopus aurifacies Aldrich 1893 (Dolichopus)
Dolichopus aurifex Van Duzee 1921 (Dolichopus)
Dolichopus bakeri Cole 1912 (Dolichopus)
Dolichopus barbaricus Van Duzee 1921 (Dolichopus)
Dolichopus barbicauda Van Duzee 1921 (Dolichopus)
Dolichopus barbipes Van Duzee 1921 (Dolichopus)
Dolichopus barycnemus Coquillett 1900 (Dolichopus)
Dolichopus beameri Harmston and Knowlton 1941 (Dolichopus)
Dolichopus beatus Van Duzee 1921 (Dolichopus)
Dolichopus bifractus Loew 1861 (Dolichopus)
Dolichopus bisetosus Van Duzee 1921 (Dolichopus)
Dolichopus blandus Van Duzee 1921 (Dolichopus)
Dolichopus bolsteri Van Duzee 1921 (Dolichopus)
Dolichopus brevicauda Van Duzee 1921 (Dolichopus)
Dolichopus breviciliatus Van Duzee 1930 (Dolichopus)
Dolichopus brevimanus Loew 1861 (Dolichopus)
Dolichopus brevipennis Meigen 1824 (Dolichopus)
Dolichopus brevipilosus Van Duzee 1933 (Dolichopus)
Dolichopus bruesi Van Duzee 1921 (Dolichopus)
Dolichopus bruneifacies Van Duzee 1933 (Dolichopus)
Dolichopus brunneus Aldrich 1893 (Dolichopus)
Dolichopus bryanti Van Duzee 1921 (Dolichopus)
Dolichopus burnesi Van Duzee 1921 (Dolichopus)
Dolichopus calainus Melander and Brues 1900 (Dolichopus)
Dolichopus calcaratus Aldrich 1893 (Dolichopus)
Dolichopus californicus Van Duzee 1921 (Dolichopus)
Dolichopus calvimontis James 1939 (Dolichopus)
Dolichopus canadensis Van Duzee 1921 (Dolichopus)
Dolichopus canaliculatus Thomson 1869 (Dolichopus)
Dolichopus carolinensis Van Duzee 1921 (Dolichopus)
Dolichopus cavatus Van Duzee 1921 (Dolichopus)
Dolichopus celeripes Van Duzee 1921 (Dolichopus)
Dolichopus chrysostomus Loew 1861 (Dolichopus)
Dolichopus coercens Walker 1849 (Dolichopus)
Dolichopus coloradensis Aldrich 1893 (Dolichopus)
Dolichopus comatus Loew 1861 (Dolichopus)
Dolichopus compactus Van Duzee 1921 (Dolichopus)
Dolichopus completus Van Duzee 1921 (Dolichopus)
Dolichopus comptus Van Duzee 1921 (Dolichopus)
Dolichopus confinis Walker 1849 (Dolichopus)
Dolichopus consanguineus Wheeler 1899 (Hygroceleuthus)
Dolichopus conspectus Van Duzee 1921 (Dolichopus)
Dolichopus contiguus Walker 1849 (Dolichopus)
Dolichopus contingens Walker 1852 (Dolichopus)
Dolichopus convergens Aldrich 1893 (Dolichopus)
Dolichopus coquilletti Aldrich 1893 (Dolichopus)
Dolichopus corax Osten Sacken 1877 (Dolichopus)
Dolichopus correus Steyskal 1959 (Dolichopus)
Dolichopus crassicornis Aldrich 1922 (Dolichopus)
Dolichopus crassitibia Robinson 1967 (Dolichopus)
Dolichopus crenatus Osten Sacken 1877 (Hygroceleuthus)
Dolichopus cuprinus Wiedemann 1830 (Dolichopus)
Dolichopus czekanowskii Stackelberg 1928 (Dolichopus)
Dolichopus dakotensis Aldrich 1893 (Dolichopus)
Dolichopus dasyops Malloch 1919 (Dolichopus)
Dolichopus dasypodus Coquillett 1910 (Dolichopus)
Dolichopus decorus Van Duzee 1921 (Dolichopus)
Dolichopus defectus Van Duzee 1921 (Dolichopus)
Dolichopus delicatus Aldrich 1922 (Dolichopus)
Dolichopus demissus Van Duzee 1921 (Dolichopus)
Dolichopus detersus Loew 1866 (Dolichopus)
Dolichopus digitus Van Duzee 1921 (Dolichopus)
Dolichopus discessus Walker 1849 (Dolichopus)
Dolichopus discolor Van Duzee 1921 (Dolichopus)
Dolichopus distractus Walker 1849 (Dolichopus)
Dolichopus diversipennis Curran 1922 (Dolichopus)
Dolichopus divigatus Harmston 1952 (Dolichopus)
Dolichopus dolosus Parent 1934 (Dolichopus)
Dolichopus domesticus Van Duzee 1921 (Dolichopus)
Dolichopus dorsalis Van Duzee 1921 (Dolichopus)
Dolichopus dorycerus Loew 1864 (Dolichopus)
Dolichopus duplicatus Aldrich 1893 (Dolichopus)
Dolichopus elegans Aldrich 1922 (Dolichopus)
Dolichopus enigma Melander and Brues 1900 (Dolichopus)
Dolichopus eudactylus Loew 1861 (Dolichopus)
Dolichopus evolvens Parent 1929 (Dolichopus)
Dolichopus exclusus Walker 1849 (Dolichopus)
Dolichopus facirecedens Harmston and Knowlton 1939 (Dolichopus) Dolichopus factivittatus Harmston 1966 (Dolichopus)
Dolichopus fallax Van Duzee 1933 (Dolichopus)
Dolichopus finitus Walker 1849 (Dolichopus)
Dolichopus flagellitenens Wheeler 1890 (Dolichopus)
Dolichopus flaviciliatus Van Duzee 1921 (Dolichopus)
Dolichopus flavicoxa Van Duzee 1921 (Dolichopus)
Dolichopus flavifacies Van Duzee 1933 (Dolichopus)
Dolichopus flavilacertus Van Duzee 1921 (Dolichopus)
Dolichopus footei Harmston 1966 (Dolichopus)
Dolichopus formosus Van Duzee 1921 (Dolichopus)
Dolichopus fortis Aldrich 1922 (Dolichopus)
Dolichopus frontalis Van Duzee 1928 (Dolichopus)
Dolichopus fucatus Van Duzee 1921 (Dolichopus)
Dolichopus fulgerus Harmston 1966 (Dolichopus)
Dolichopus fulvipes Loew 1862 (Dolichopus)
Dolichopus fumosus Van Duzee 1921 (Dolichopus)
Dolichopus funditor Loew 1861 (Dolichopus)
Dolichopus gaigei Steyskal 1973 (Dolichopus)
Dolichopus genualis Van Duzee 1921 (Dolichopus)
Dolichopus gladius Van Duzee 1921 (Dolichopus)
Dolichopus grandis Aldrich 1893 (Dolichopus)
Dolichopus gratiolus Steyskal 1973 (Dolichopus)
Dolichopus gratus Loew 1861 (Dolichopus)
Dolichopus groenlandicus Zetterstedt 1843 (Dolichopus)
Dolichopus harbecki Van Duzee 1921 (Dolichopus)
Dolichopus hardyi Harmston 1951 (Dolichopus)
Dolichopus hastatus Loew 1864 (Dolichopus)
Dolichopus helenae James 1939 (Dolichopus)
Dolichopus hirsutitarsis Harmston 1952 (Dolichopus)
Dolichopus humilis Van Duzee 1921 (Dolichopus)
Dolichopus idahoensis Aldrich 1894 (Hygroceleuthus)
Dolichopus idoneus Van Duzee 1921 (Dolichopus)
Dolichopus imperfectus Van Duzee 1921 (Dolichopus)
Dolichopus incisuralis Loew 1861 (Dolichopus)
Dolichopus incongruus Wheeler 1890 (Dolichopus)
Dolichopus indianus Harmston and Knowlton 1946 (Dolichopus)
Dolichopus indigenus Van Duzee 1921 (Dolichopus)
Dolichopus inflatus Aldrich 1922 (Dolichopus)
Dolichopus integripes Parent 1929 (Dolichopus)
Dolichopus intentus Melander and Brues 1900 (Dolichopus)
Dolichopus interjectus Van Duzee 1923 (Dolichopus)
Dolichopus iowaensis Harmston and Knowlton 1939 (Dolichopus)
Dolichopus jaquesi Harmston and Knowlton 1939 (Dolichopus)
Dolichopus johnsoni Aldrich 1893 (Dolichopus)
Dolichopus jugalis Tucker 1911 (Dolichopus)
Dolichopus kansensis Aldrich 1893 (Dolichopus)
Dolichopus kleini Curran 1934 (Dolichopus)
Dolichopus kyphotus Harmston 1966 (Dolichopus)
Dolichopus laciniatus Coquillett 1910 (Dolichopus)
Dolichopus lamellicornis Thomson 1869 (Dolichopus)
Dolichopus lamellipes Walker 1849 (Dolichopus)
Dolichopus laticornis Loew 1861 (Dolichopus)
Dolichopus latipes Loew 1861 (Hygroceleuthus)
Dolichopus latronis Van Duzee 1921 (Dolichopus)
Dolichopus leucacra James 1939 (Dolichopus)
Dolichopus litoralis Van Duzee 1921 (Dolichopus)
Dolichopus lobatus Loew 1861 (Dolichopus)
Dolichopus longicornis Stannius 1831 (Dolichopus)
Dolichopus longimanus Loew 1861 (Dolichopus)
Dolichopus longipennis Loew 1861 (Dolichopus)
Dolichopus longus Aldrich 1922 (Dolichopus)
Dolichopus lundbecki Curran 1923 (Dolichopus)
Dolichopus luteipennis Loew 1861 (Dolichopus)
Dolichopus maculitarsis Van Duzee 1925 (Dolichopus)
Dolichopus magnantenna James 1939 (Dolichopus)
Dolichopus manicula Van Duzee 1921 (Dolichopus)
Dolichopus mannerheimi Zetterstedt 1838 (Dolichopus)
Dolichopus marginatus Aldrich 1893 (Dolichopus)
Dolichopus melanderi Van Duzee 1921 (Dolichopus)
Dolichopus melanocerus Loew 1864 (Dolichopus)
Dolichopus micropygus Wahlberg 1851 (Dolichopus)
Dolichopus monarchus Harmston 1968 (Dolichopus)
Dolichopus monticola Van Duzee 1921 (Dolichopus)
Dolichopus multisetosus Van Duzee 1921 (Dolichopus)
Dolichopus myosotus Osten Sacken 1887 (Dolichopus)
Dolichopus neomexicanus Harmston 1951 (Dolichopus)
Dolichopus nigricauda Van Duzee 1921 (Dolichopus)
Dolichopus nigricornis Meigen 1824 (Dolichopus)
Dolichopus nigricoxa Van Duzee 1926 (Dolichopus)
Dolichopus nigrilineatus Van Duzee 1924 (Dolichopus)
Dolichopus nigrimanus Van Duzee 1921 (Dolichopus)
Dolichopus nigroapicalis Van Duzee 1930 (Dolichopus)
Dolichopus nigropleurus Harmston 1966 (Dolichopus)
Dolichopus nodipennis Van Duzee 1921 (Dolichopus)
Dolichopus nomadus Harmston and Knowlton 1942 (Dolichopus)
Dolichopus nubifer Van Duzee 1921 (Dolichopus)
Dolichopus nudus Loew 1864 (Dolichopus)
Dolichopus obcordatus Aldrich 1893 (Dolichopus)
Dolichopus obsoletus Van Duzee 1921 (Dolichopus)
Dolichopus occidentalis Aldrich 1893 (Dolichopus)
Dolichopus omnivagus Van Duzee 1921 (Dolichopus)
Dolichopus opportunus Van Duzee 1921 (Dolichopus)
Dolichopus oregonensis Van Duzee 1927 (Dolichopus)
Dolichopus ornatipennis Van Duzee 1921 (Dolichopus)
Dolichopus ovatus Loew 1861 (Dolichopus)
Dolichopus pachycnemus Loew 1861 (Dolichopus)
Dolichopus packardi Van Duzee 1921 (Dolichopus)
Dolichopus palaestricus Loew 1864 (Dolichopus)
Dolichopus paluster Melander and Brues 1900 (Dolichopus)
Dolichopus pantomimus Melander and Brues 1900 (Dolichopus)
Dolichopus partitus Melander and Brues 1900 (Dolichopus)
Dolichopus parvicornis Van Duzee 1921 (Dolichopus)
Dolichopus parvimanus Van Duzee 1933 (Dolichopus)
Dolichopus penicillatus Van Duzee 1921 (Dolichopus)
Dolichopus pensus Aldrich 1922 (Dolichopus)
Dolichopus pernix Melander and Brues 1900 (Dolichopus)
Dolichopus perplexus Van Duzee 1923 (Dolichopus)
Dolichopus phyllocerus Vockeroth 1962 (Dolichopus)
Dolichopus pilatus Van Duzee 1921 (Dolichopus)
Dolichopus pingreensis James 1939 (Dolichopus)
Dolichopus plumipes Scopoli 1763 (Musca)
Dolichopus plumitarsis Fallen 1823 (Dolichopus)
Dolichopus plumosus Aldrich 1893 (Dolichopus)
Dolichopus pollex Osten Sacken 1877 (Dolichopus)
Dolichopus porphyrops Van Duzee 1921 (Dolichopus)
Dolichopus praeustus Loew 1862 (Dolichopus)
Dolichopus puberiseta Parent 1934 (Dolichopus)
Dolichopus pugil Loew 1866 (Dolichopus)
Dolichopus pulcher Walker 1852 (Dolichopus)
Dolichopus pulchrimana Bigot 1888 (Spathichira)
Dolichopus quadrilamellatus Loew 1864 (Dolichopus)
Dolichopus ramifer Loew 1861 (Dolichopus)
Dolichopus recticosta Aldrich 1922 (Dolichopus)
Dolichopus reflectus Aldrich 1893 (Dolichopus)
Dolichopus refulgens Harmston and Knowlton 1939 (Dolichopus)
Dolichopus remipes Wahlberg 1839 (Dolichopus)
Dolichopus remotus Walker 1849 (Dolichopus)
Dolichopus remus Van Duzee 1921 (Dolichopus)
Dolichopus renidescens Melander and Brues 1900 (Dolichopus)
Dolichopus retinens Van Duzee 1921 (Dolichopus)
Dolichopus ruficornis Loew 1861 (Dolichopus)
Dolichopus rupestris Haliday 1833 (Dolichopus)
Dolichopus sarotes Loew 1866 (Dolichopus)
Dolichopus scapularis Loew 1861 (Dolichopus)
Dolichopus scopifer James 1939 (Dolichopus)
Dolichopus sedulus Van Duzee 1921 (Dolichopus)
Dolichopus separatus Walker 1849 (Dolichopus)
Dolichopus serratus Van Duzee 1921 (Dolichopus)
Dolichopus setifer Loew 1861 (Dolichopus)
Dolichopus setosus Loew 1862 (Dolichopus)
Dolichopus sexarticulatus Loew 1864 (Dolichopus)
Dolichopus shastaensis Harmston 1966 (Dolichopus)
Dolichopus shelfordi Curran 1934 (Dolichopus)
Dolichopus sicarius Van Duzee 1921 (Dolichopus)
Dolichopus silvicola Harmston 1951 (Dolichopus)
Dolichopus simplicipes Aldrich 1922 (Dolichopus)
Dolichopus simulans Van Duzee 1926 (Dolichopus)
Dolichopus sincerus Melander 1900 (Dolichopus)
Dolichopus sinualaris Harmston 1966 (Dolichopus)
Dolichopus slossonae Van Duzee 1921 (Dolichopus)
Dolichopus smithae Harmston 1966 (Dolichopus)
Dolichopus soccatus Walker 1849 (Dolichopus)
Dolichopus socius Loew 1862 (Dolichopus)
Dolichopus solidus Van Duzee 1921 (Dolichopus)
Dolichopus sordidatus Van Duzee 1921 (Dolichopus)
Dolichopus speciosus Van Duzee 1921 (Dolichopus)
Dolichopus sphaeristes Brues 1901 (Dolichopus)
Dolichopus sporadicum Harmston and Knowlton 1942 (Dolichopus) Dolichopus squamiciliatus Harmston 1966 (Dolichopus)
Dolichopus squamosus Van Duzee 1921 (Dolichopus)
Dolichopus stenhammari Zetterstedt 1843 (Dolichopus)
Dolichopus steyskali Robinson 1964 (Dolichopus)
Dolichopus stricklandi Harmston and Knowlton 1939 (Dolichopus)
Dolichopus subciliatus Loew 1864 (Dolichopus)
Dolichopus subcostatus Van Duzee 1930 (Dolichopus)
Dolichopus subspina Van Duzee 1928 (Dolichopus)
Dolichopus sufflavus Van Duzee 1921 (Dolichopus)
Dolichopus superbus Van Duzee 1921 (Dolichopus)
Dolichopus talus Van Duzee 1921 (Dolichopus)
Dolichopus tarsipictis Harmston and Knowlton 1963 (Dolichopus)
Dolichopus tener Loew 1861 (Dolichopus)
Dolichopus tenuimanus Van Duzee 1932 (Dolichopus)
Dolichopus tenuipes Aldrich 1894 (Dolichopus)
Dolichopus terminalis Loew 1866 (Dolichopus)
Dolichopus terminatus Walker 1849 (Dolichopus)
Dolichopus tetricus Loew 1864 (Dolichopus)
Dolichopus tonsus Loew 1861 (Dolichopus)
Dolichopus townsendi Aldrich 1922 (Dolichopus)
Dolichopus trisetosus Van Duzee 1921 (Dolichopus)
Dolichopus uliginosus Van Duzee 1923 (Dolichopus)
Dolichopus umbrosus Van Duzee 1921 (Dolichopus)
Dolichopus ungulata Linnaeus 1758 (Musca)
Dolichopus utahensis Harmston and Knowlton 1943 (Dolichopus)
Dolichopus uxorcula Van Duzee 1921 (Dolichopus)
Dolichopus vanduzeei Curran 1922 (Dolichopus)
Dolichopus variabilis Loew 1861 (Dolichopus)
Dolichopus varipes Coquillett 1900 (Dolichopus)
Dolichopus vegetus Harmston 1952 (Dolichopus)
Dolichopus vernaae Harmston and Knowlton 1940 (Dolichopus)
Dolichopus versutus Van Duzee 1921 (Dolichopus)
Dolichopus vigilans Aldrich 1893 (Dolichopus)
Dolichopus virga Coquillett 1910 (Dolichopus)
Dolichopus virginiensis Van Duzee 1921 (Dolichopus)
Dolichopus viridis Van Duzee 1921 (Dolichopus)
Dolichopus vittatus Loew 1861 (Dolichopus)
Dolichopus walkeri Van Duzee 1921 (Dolichopus)
Dolichopus wheeleri Melander and Brues 1900 (Hygroceleuthus)
Dolichopus xanthocnemus Loew 1864 (Dolichopus)
Dolichopus zygomus Harmston 1966 (Dolichopus)

Enlinia arizonica Robinson 1973 (Enlinia)
Enlinia californica Robinson and Arnaud 1970 (Enlinia)
Enlinia ciliata Robinson 1964 (Enlinia)
Enlinia magistri Aldrich 1932 (Collinellula)
Enlinia saxicola Robinson 1964 (Enlinia)
Enlinia taeniocaudata Robinson and Arnaud 1970 (Enlinia)
Enlinia texana Robinson 1973 (Enlinia)

Harmstonia intricata Robinson 1964 (Harmstonia)
Harmstonia pectinicauda Robinson 1964 (Harmstonia)

Hydatostega cerutias Loew 1872 (Hydrophorus)
Hydatostega plumbeus Aldrich 1911 (Hydrophorus)
Hydatostega viridiflos Walker 1852 (Medeterus)

Hydrophorus aestuum Loew 1869 (Hydrophorus)
Hydrophorus agalma Wheeler 1899 (Hydrophorus)
Hydrophorus alboflorens Walker 1849 (Medeterus)
Hydrophorus algens Wheeler 1899 (Hydrophorus)
Hydrophorus alpinus Wahlberg 1844 (Hydrophorus)
Hydrophorus altivagus Aldrich 1911 (Hydrophorus)
Hydrophorus amplectens Aldrich 1911 (Hydrophorus)
Hydrophorus ampullaceus Van Duzee 1924 (Hydrophorus)
Hydrophorus angustifacies Hurley 1985 (Hydrophorus)
Hydrophorus aquatilis Aldrich 1922 (Hydrophorus)
Hydrophorus arnaudi Hurley 1985 (Hydrophorus)
Hydrophorus bovatus Hurley 1985 (Hydrophorus)
Hydrophorus brevicauda Van Duzee 1923 (Hydrophorus)
Hydrophorus breviseta Thomson 1869 (Medeterus)
Hydrophorus canescens Wheeler 1896 (Parhydrophorus)
Hydrophorus canities Van Duzee 1923 (Hydrophorus)
Hydrophorus chrysologus Walker 1849 (Medeterus)
Hydrophorus claripennis Van Duzee 1924 (Hydrophorus)
Hydrophorus dioktes Hurley 1985 (Hydrophorus)
Hydrophorus dreisbachi Harmston and Knowlton 1963 (Hydrohorus) Hydrophorus eldoradensis Wheeler 1899 (Hydrophorus)
Hydrophorus extrarius Aldrich 1911 (Hydrophorus)
Hydrophorus ferruginus Hurley 1985 (Hydrophorus)
Hydrophorus flavihirtus Van Duzee 1923 (Hydrophorus)
Hydrophorus flavipennis Van Duzee 1926 (Hydrophorus)
Hydrophorus fumipennis Van Duzee 1921 (Hydrophorus)
Hydrophorus glaber Walker 1849 (Medeterus)
Hydrophorus harmstoni Hurley 1985 (Hydrophorus)
Hydrophorus hesperius Hurley 1985 (Hydrophorus)
Hydrophorus hirpicifer Hurley 1985 (Hydrophorus)
Hydrophorus innotatus Loew 1864 (Hydrophorus)
Hydrophorus maculipennis Van Duzee 1926 (Hydrophorus)
Hydrophorus magdalenae Wheeler 1899 (Hydrophorus)
Hydrophorus manicatus Collin 1935 (Hydrophorus)
Hydrophorus minimus Van Duzee 1924 (Hydrophorus)
Hydrophorus myllomerus Hurley 1985 (Hydrophorus)
Hydrophorus parvus Loew 1862 (Hydrophorus)
Hydrophorus pectinipes Van Duzee 1923 (Hydrophorus)
Hydrophorus pensus Aldrich 1911 (Hydrophorus)
Hydrophorus phaeopteryx Hurley 1985 (Hydrophorus)
Hydrophorus phalarus Hurley 1985 (Hydrophorus)
Hydrophorus philombrius Wheeler 1890 (Hydrophorus)
Hydrophorus phoca Aldrich 1911 (Hydrophorus)
Hydrophorus pilitarsis Malloch 1919 (Hydrophorus)
Hydrophorus plautus Hurley 1985 (Hydrophorus)
Hydrophorus rhionopous Hurley 1985 (Hydrophorus)
Hydrophorus signiferus Coquillett 1899 (Hydrophorus)
Hydrophorus sodalis Wheeler 1899 (Hydrophorus)
Hydrophorus trichaspis Hurley 1985 (Hydrophorus)
Hydrophorus viridifacies Van Duzee 1923 (Hydrophorus)

Hypocharassus gladiator Mik 1878 (Hypocharassus)
Hypocharassus pruinosa Wheeler 1898 (Drepanomyia)

Keirosoma slossonae Van Duzee 1933 (Keirosoma)

Lamprochromus canadensis Van Duzee 1917 (Sympycnus)
Lamprochromus occidentalis Robinson 1967 (Lamprochromus)
Lamprochromus satrapa Wheeler 1890 (Diaphorus)

Liancalus genualis Loew 1861 (Liancalus)
Liancalus hydrophilus Aldrich 1893 (Liancalus)
Liancalus limbatus Osten Sacken 1917 (Liancalus)
Liancalus querulus Osten Sacken 1877 (Liancalus)
Liancalus similis Aldrich 1893 (Liancalus)

Medetera aberrans Wheeler 1899 (Medetera)
Medetera aeneiventris Van Duzee 1933 (Medetera)
Medetera aequalis Van Duzee 1919 (Medetera)
Medetera aldrichii Wheeler 1899 (Medetera)
Medetera alpina Harmston and Knowlton 1941 (Medetera)
Medetera apicalis Zetterstedt 1843 (Medetera)
Medetera arnaudi Harmston 1951 (Medetera)
Medetera bistriata Parent 1929 (Medetera)
Medetera californiensis Wheeler 1899 (Medetera)
Medetera canadensis Bickel 1985 (Medetera)
Medetera crassivenis Curran 1928 (Medetera)
Medetera cyanogaster Wheeler 1899 (Medetera)
Medetera diadema Linnaeus 1767 (Musca)
Medetera dorycondylus Bickel 1985 (Medetera)
Medetera excipiens Becker 1922 (Medetera)
Medetera falcata Van Duzee 1919 (Medetera)
Medetera flinflon Bickel 1985 (Medetera)
Medetera furcata Curran 1928 (Medetera)
Medetera gaspensis Bickel 1985 (Medetera)
Medetera halteralis Van Duzee 1919 (Medetera)
Medetera isobellae Bickel 1985 (Medetera)
Medetera longinervis Van Duzee 1928 (Medetera)
Medetera marylandica Robinson 1967 (Medetera)
Medetera maura Wheeler 1899 (Medetera)
Medetera modesta Van Duzee 1914 (Medetera)
Medetera neomelancholia Bickel 1985 (Medetera)
Medetera nigripes Loew 1861 (Medetera)
Medetera nova Van Duzee 1919 (Medetera)
Medetera petulca Wheeler 1899 (Medetera)
Medetera physothrix Bickel 1985 (Medetera)
Medetera pinicola Kowarz 1877 (Medetera)
Medetera platythrix Bickel 1985 (Medetera)
Medetera postminima Steyskal 1967 (Medetera)
Medetera potomac Bickel 1985 (Medetera)
Medetera pseudosibirica Bickel 1985 (Medetera)
Medetera saguaroicola Bickel 1985 (Medetera)
Medetera signaticornis Loew 1857 (Medetera)
Medetera similis Van Duzee 1919 (Medetera)
Medetera subsignaticornis Bickel 1985 (Medetera)
Medetera truncorum Meigen 1824 (Medetera)
Medetera tuktoyaktuk Bickel 1985 (Medetera)
Medetera utahensis Bickel 1985 (Medetera)
Medetera veles Loew 1861 (Medetera)
Medetera vidua Wheeler 1899 (Medetera)
Medetera vittata Van Duzee 1919 (Medetera)
Medetera vockerothi Bickel 1985 (Medetera)
Medetera xerophila Wheeler 1899 (Medetera)

Melanderia californica Harmston 1972 (Melanderia)
Melanderia crepuscula Arnaud 1958 (Melanderia)
Melanderia curvipes Van Duzee 1918 (Hydrophorus)
Melanderia mandibulata Aldrich 1922 (Melanderia)

Mesorhaga albiciliatus Aldrich 1893 (Aptorthus)
Mesorhaga borealis Aldrich 1893 (Aptorthus)
Mesorhaga caerulea Van Duzee 1930 (Mesorhaga)
Mesorhaga caudata Van Duzee 1915 (Mesorhaga)
Mesorhaga clavicauda Van Duzee 1925 (Mesorhaga)
Mesorhaga flavipes Van Duzee 1932 (Mesorhaga)
Mesorhaga jucunda Becker 1922 (Mesorhaga)
Mesorhaga nigripes Aldrich 1893 (Aptorthus)
Mesorhaga pallidicornis Van Duzee 1925 (Mesorhaga)
Mesorhaga townsendi Aldrich 1893 (Aptorthus)
Mesorhaga tricorniflavrai Gunther 1982 (Mesorhaga)
Mesorhaga varipes Van Duzee 1917 (Mesorhaga)

Micromorphus albipes Zetterstedt 1843 (Hydrophorus)
Micromorphus bifrons Robinson 1964 (Micromorphus)
Micromorphus fulvosetosus Parent 1929 (Micromorphus)
Micromorphus knowltoni Robinson 1967 (Micromorphus)
Micromorphus leucostoma Robinson 1967 (Micromorphus)
Micromorphus longilamellatus Robinson 1964 (Micromorphus)
Micromorphus minima Van Duzee 1925 (Neurigona)

Nanomyina litorea Robinson 1964 (Nanomyina)

Nematoproctus cylindricus Van Duzee 1924 (Diaphorus)
Nematoproctus flavicoxa Van Duzee 1930 (Nematoproctus)
Nematoproctus jucundus Van Duzee 1927 (Nematoproctus)
Nematoproctus metallicus Van Duzee 1930 (Nematoproctus)
Nematoproctus terminalis Van Duzee 1914 (Leucostola)
Nematoproctus varicoxa Van Duzee 1930 (Nematoproctus)
Nematoproctus venustus Melander 1900 (Nematoproctus)

Neoparentia caudatus Van Duzee 1917 (Sympycnus)

Neurigona aestiva Van Duzee 1913 (Neurigona)
Neurigona albospinosa Van Duzee 1913 (Neurigona)
Neurigona aldrichii Van Duzee 1913 (Neurigona)
Neurigona arcuata Van Duzee 1913 (Neurigona)
Neurigona australis Van Duzee 1913 (Neurigona)
Neurigona bivittata Van Duzee 1913 (Neurigona)
Neurigona californica Harmston 1972 (Neurigona)
Neurigona carbonifer Loew 1869 (Saucropus)
Neurigona ciliata Van Duzee 1913 (Neurigona)
Neurigona cilimanus Van Duzee 1924 (Neurigona)
Neurigona deformis Van Duzee 1913 (Neurigona)
Neurigona dimidiatus Loew 1861 (Saucropus)
Neurigona disjuncta Van Duzee 1913 (Neurigona)
Neurigona flava Van Duzee 1913 (Neurigona)
Neurigona floridula Wheeler 1899 (Neurigona)
Neurigona fuscalaris Harmston 1968 (Neurigona)
Neurigona georgianus Harmston and Knowlton 1963 (Neurigona)
Neurigona kesseli Hendrickson 1961 (Neurigona)
Neurigona lateralis Say 1829 (Medeterus)
Neurigona lienosa Wheeler 1899 (Neurigona)
Neurigona maculata Van Duzee 1913 (Neurigona)
Neurigona nigrimanus Van Duzee 1930 (Neurigona)
Neurigona nigritibalis Robinson 1964 (Neurigona)
Neurigona nitida Van Duzee 1913 (Neurigona)
Neurigona ornata Van Duzee 1930 (Neurigona)
Neurigona pectoralis Van Duzee 1913 (Neurigona)
Neurigona perbrevis Van Duzee 1913 (Neurigona)
Neurigona perplexa Van Duzee 1913 (Neurigona)
Neurigona planipes Van Duzee 1924 (Neurigona)
Neurigona rubellus Loew 1861 (Saucropus)
Neurigona scutitarsis Robinson 1970 (Neurigona)
Neurigona smithi Robinson 1970 (Neurigona)
Neurigona spiculifera Robinson 1970 (Neurigona)
Neurigona tarsalis Van Duzee 1913 (Neurigona)
Neurigona tenuis Loew 1864 (Saucropus)
Neurigona terminalis Van Duzee 1924 (Neurigona)
Neurigona torrida Harmston 1951 (Neurigona)
Neurigona transversa Van Duzee 1913 (Neurigona)
Neurigona tridens Van Duzee 1913 (Neurigona)
Neurigona valgusa Harmston and Rapp 1968 (Neurigona)
Neurigona viridis Van Duzee 1913 (Neurigona)
Neurigona zionensis Harmston and Knowlton 1942 (Neurigona)

Neurigonella nigricornis Van Duzee 1914 (Neurigona)
Neurigonella sombrea Harmston and Knowlton 1945 (Neurigona)

Orthochile of authors deremptus Walker 1849 (Orthochile)

Paraclius aberrans Robinson 1964 (Paraclius)
Paraclius alternans Loew 1864 (Pelastoneurus)
Paraclius claviculatus Loew 1866 (Paracleius)
Paraclius consors Walker 1852 (Dolichopus)
Paraclius filifer Aldrich 1896 (Paracleius)
Paraclius flagellatus Harmston 1952 (Hercostomus)
Paraclius floridensis Robinson 1964 (Paraclius)
Paraclius heteroneurus Macquart 1850 (Dolichopus)
Paraclius hybridus Melander 1900 (Paracleius)
Paraclius magnicornis Van Duzee 1927 (Paracleius)
Paraclius minutus Van Duzee 1921 (Paracleius)
Paraclius nigrocaudatus Van Duzee 1918 (Paracleius)
Paraclius ovatus Van Duzee 1914 (Paracleius)
Paraclius propinquus Wheeler 1899 (Paracleius)
Paraclius pumilio Loew 1872 (Paracleius)
Paraclius quadrinotatus Aldrich 1902 (Paracleius)
Paraclius utahensis Harmston and Knowlton 1946 (Paracleius)

Parasyntormon appendiculatum Harmston and Knowlton 1943 (Parasyntormon)
Parasyntormon asellus Wheeler 1899 (Parasyntormon)
Parasyntormon classicum Harmston and Knowlton 1943 (Parasyntormon)
Parasyntormon emarginatum Wheeler 1899 (Parasyntormon)
Parasyntormon emarginicorne Curran 1923 (Parasyntormon)
Parasyntormon flavicoxa Van Duzee 1922 (Parasyntormon)
Parasyntormon fraterculus Van Duzee 1922 (Parasyntormon)
Parasyntormon hendersoni Harmston and Knowlton 1939 (Parasyntormon)
Parasyntormon hinnulus Wheeler 1899 (Parasyntormon)
Parasyntormon lagotis Wheeler 1899 (Parasyntormon)
Parasyntormon lepus Van Duzee 1918 (Parasyntormon)
Parasyntormon longicorne Van Duzee 1933 (Parasyntormon)
Parasyntormon montivagum Wheeler 1899 (Parasyntormon)
Parasyntormon mulinum Van Duzee 1922 (Parasyntormon)
Parasyntormon nigripes Harmston and Knowlton 1943 (Parasyntormon)
Parasyntormon occidentalis Aldrich 1894 (Sympycnus)
Parasyntormon petiolatum Van Duzee 1933 (Parasyntormon)
Parasyntormon rotundicorne Van Duzee 1926 (Parasyntormon)
Parasyntormon utahnum Van Duzee 1933 (Parasyntormon)
Parasyntormon virens Harmston and Knowlton 1943 (Parasyntormon)

Pelastoneurus abbreviatus Loew 1864 (Pelastoneurus)
Pelastoneurus aldrichi Van Duzee 1923 (Pelastoneurus)
Pelastoneurus angulatus Robinson 1964 (Pelastoneurus)
Pelastoneurus asciaeformis Becker 1922 (Pelastoneurus)
Pelastoneurus aurifacies Van Duzee 1923 (Pelastoneurus)
Pelastoneurus barri Harmston 1972 (Pelastoneurus)
Pelastoneurus bifrons Walker 1852 (Dolichopus)
Pelastoneurus brevis Robinson 1964 (Pelastoneurus)
Pelastoneurus cognatus Loew 1861 (Pelastoneurus)
Pelastoneurus comatus Robinson 1992 (Pelastoneurus)
Pelastoneurus cyaneus Wheeler 1899 (Pelastoneurus)
Pelastoneurus dissimilipes Wheeler 1899 (Pelastoneurus)
Pelastoneurus floridanus Wheeler 1899 (Pelastoneurus)
Pelastoneurus furcifer Loew 1872 (Pelastoneurus)
Pelastoneurus hebes Walker 1852 (Dolichopus)
Pelastoneurus ineptus Walker 1852 (Dolichopus)
Pelastoneurus irrasus Walker 1849 (Dolichopus)
Pelastoneurus kansensis Aldrich 1894 (Metapelastoneurus)
Pelastoneurus laetus Loew 1861 (Pelastoneurus)
Pelastoneurus lamellatus Loew 1864 (Pelastoneurus)
Pelastoneurus latifacies Van Duzee 1930 (Pelastoneurus)
Pelastoneurus longicauda Loew 1861 (Pelastoneurus)
Pelastoneurus lugubris Loew 1861 (Pelastoneurus)
Pelastoneurus maculipes Walker 1852 (Dolichopus)
Pelastoneurus neglectus Wheeler 1899 (Pelastoneurus)
Pelastoneurus nigricornis Van Duzee 1923 (Pelastoneurus)
Pelastoneurus occidentalis Wheeler 1899 (Pelastoneurus)
Pelastoneurus parvus Aldrich 1904 (Pelastoneurus)
Pelastoneurus potomacus Robinson 1992 (Pelastoneurus)
Pelastoneurus proximus Aldrich 1904 (Pelastoneurus)
Pelastoneurus scutatus Aldrich 1904 (Pelastoneurus)
Pelastoneurus semiplumatus Becker 1922 (Pelastoneurus)
Pelastoneurus seticauda Van Duzee 1930 (Pelastoneurus)
Pelastoneurus stentorius Harmston 1971 (Pelastoneurus)
Pelastoneurus tibialis Van Duzee 1923 (Pelastoneurus)
Pelastoneurus umbripictus Becker 1922 (Pelastoneurus)
Pelastoneurus vagans Loew 1861 (Pelastoneurus)
Pelastoneurus varius Walker 1852 (Dolichopus)
Pelastoneurus wheeleri Melander 1900 (Pelastoneurus)

Peloropeodes acuticornis Van Duzee 1926 (Kophosoma)
Peloropeodes apicales Harmston and Knowlton 1946 (Peloropeodes) Peloropeodes bicolor Van Duzee 1926 (Kophosoma)
Peloropeodes brevis Van Duzee 1926 (Kophosoma)
Peloropeodes cornuta Van Duzee 1926 (Kophosoma)
Peloropeodes discolor Robinson 1964 (Peloropeodes)
Peloropeodes fuscipes Van Duzee 1926 (Kophosoma)
Peloropeodes magnicornis Harmston and Rapp 1968 (Peloropeodes) Peloropeodes pygidus Harmston and Rapp 1968 (Peloropeodes)
Peloropeodes salax Wheeler 1890 (Peloropeodes)

Plagioneurus univittatus Loew 1857 (Plagioneurus)

Psilopiella nebraskaense Harmston and Rapp 1968 (Psilopiella)
Psilopiella rutila Van Duzee 1914 (Psilopiella)

Rhaphium aequale Van Duzee 1927 (Rhaphium)
Rhaphium albibarba Van Duzee 1924 (Porphyrops)
Rhaphium aldrichi Van Duzee 1922 (Xiphandrium)
Rhaphium arboreum Curran 1924 (Rhaphium)
Rhaphium armatum Curran 1924 (Rhaphium)
Rhaphium atkinsoni Curran 1926 (Rhaphium)
Rhaphium banksi Van Duzee 1926 (Rhaphium)
Rhaphium barbipes Van Duzee 1923 (Porphyrops)
Rhaphium borealis Van Duzee 1923 (Porphyrops)
Rhaphium brevicoris Van Duzee 1923 (Porphyrops)
Rhaphium brevilamellatum Van Duzee 1926 (Rhaphium)
Rhaphium browni Curran 1931 (Rhaphium)
Rhaphium calcaratum Van Duzee 1928 (Rhaphium)
Rhaphium campestris Curran 1924 (Rhaphium)
Rhaphium canadense Curran 1924 (Rhaphium)
Rhaphium caudatum Van Duzee 1926 (Rhaphium)
Rhaphium ciliatum Curran 1929 (Rhaphium)
Rhaphium coloradense Curran 1926 (Rhaphium)
Rhaphium colutis Harmston and James 1942 (Rhaphium)
Rhaphium crassipes Meigen 1824 (Porphyrops)
Rhaphium discolor Zetterstedt 1838 (Rhaphium)
Rhaphium dubium Van Duzee 1922 (Xiphandrium)
Rhaphium effilatus Wheeler 1899 (Porphyrops)
Rhaphium elegantulus Meigen 1824 (Porphyrops)
Rhaphium elongatum Van Duzee 1933 (Rhaphium)
Rhaphium exile Curran 1926 (Rhaphium)
Rhaphium fascipes Meigen 1824 (Porphyrops)
Rhaphium femineum Van Duzee 1922 (Xiphandrium)
Rhaphium femoratum Van Duzee 1922 (Xiphandrium)
Rhaphium flavicoxa Van Duzee 1922 (Xiphandrium)
Rhaphium foliatum Curran 1926 (Rhaphium)
Rhaphium furcifer Curran 1931 (Rhaphium)
Rhaphium gibsoni Curran 1926 (Rhaphium)
Rhaphium gracilis Curran 1924 (Rhaphium)
Rhaphium grandis Curran 1923 (Porphyrops)
Rhaphium hirtimanus Van Duzee 1933 (Rhaphium)
Rhaphium impetuum Curran 1926 (Rhaphium)
Rhaphium insolitum Curran 1926 (Rhaphium)
Rhaphium johnsoni Van Duzee 1923 (Porphyrops)
Rhaphium latifacies Van Duzee 1930 (Rhaphium)
Rhaphium longibara Van Duzee 1930 (Rhaphium)
Rhaphium longipalpis Curran 1926 (Rhaphium)
Rhaphium longipes Loew 1864 (Porphyrops)
Rhaphium lugubre Loew 1861 (Rhaphium)
Rhaphium melampus Loew 1861 (Porphyrops)
Rhaphium montanus Van Duzee 1920 (Porphyrops)
Rhaphium nigra Van Duzee 1923 (Porphyrops)
Rhaphium nigricoxa Loew 1861 (Porphyrops)
Rhaphium nigrociliatum Curran 1926 (Rhaphium)
Rhaphium nigrovittatum Curran 1926 (Rhaphium)
Rhaphium nudus Van Duzee 1924 (Porphyrops)
Rhaphium obtusum Van Duzee 1928 (Rhaphium)
Rhaphium occipitale Curran 1927 (Rhaphium)
Rhaphium orientale Curran 1926 (Rhaphium)
Rhaphium ornatus Van Duzee 1923 (Porphyrops)
Rhaphium palpale Curran 1926 (Rhaphium)
Rhaphium pollex Van Duzee 1922 (Xiphandrium)
Rhaphium punctitarsis Curran 1924 (Rhaphium)
Rhaphium robustum Curran 1926 (Rhaphium)
Rhaphium rossi Harmston and Knowlton 1940 (Rhaphium)
Rhaphium rotundiceps Loew 1861 (Porphyrops)
Rhaphium septentrionale Curran 1931 (Rhaphium)
Rhaphium shannoni Curran 1926 (Rhaphium)
Rhaphium signiferus Osten Sacken 1878 (Porphyrops)
Rhaphium simplicipes Curran 1926 (Rhaphium)
Rhaphium slossonae Johnson 1906 (Leucostola)
Rhaphium spinitarsis Curran 1924 (Rhaphium)
Rhaphium steyskali Robinson 1967 (Rhaphium)
Rhaphium subarmatum Curran 1924 (Rhaphium)
Rhaphium subfurcatum Van Duzee 1932 (Rhaphium)
Rhaphium temerarium Becker 1922 (Xiphandrium)
Rhaphium terminalis Van Duzee 1924 (Porphyrops)
Rhaphium triangulatum Van Duzee 1922 (Xiphandrium)
Rhaphium tricaudata Van Duzee 1923 (Porphyrops)
Rhaphium tripartita Frey 1913 (Porphyrops)
Rhaphium unistylatum Vockeroth 1952 (Rhaphium)
Rhaphium vanduzeei Curran 1926 (Rhaphium)
Rhaphium vockerothi Robinson 1964 (Rhaphium)
Rhaphium wheeleri Van Duzee 1932 (Rhaphium)
Rhaphium xipheres Wheeler 1899 (Porphyrops)

Scellus abditus Hurley 1995 (Scellus)
Scellus amplus Curran 1923 (Scellus)
Scellus asaroticus Hurley 1995 (Scellus)
Scellus avidus Loew 1864 (Scellus)
Scellus coloradensis Harmston and James 1942 (Scellus)
Scellus crinipes Van Duzee 1925 (Scellus)
Scellus dyscritus Hurley 1995 (Scellus)
Scellus exustus Walker 1852 (Medeterus)
Scellus filifer Loew 1864 (Scellus)
Scellus knowltoni Harmston 1939 (Scellus)
Scellus monstrosus Osten Sacken 1877 (Scellus)
Scellus spinimanus Zetterstedt 1843 (Hydrophorus)
Scellus varipennis Van Duzee 1925 (Scellus)
Scellus vigil Osten Sacken 1877 (Scellus)
Scellus virago Aldrich 1907 (Scellus)

Sciapus bicolor Loew 1861 (Psilopus)
Sciapus bradleii Van Duzee 1915 (Sciapus)
Sciapus californicus Steyskal 1966 (Sciapus)
Sciapus costalis Aldrich 1904 (Agonosoma)
Sciapus delicatus Walker 1849 (Psilopus)
Sciapus divergens Van Duzee 1933 (Sciapus)
Sciapus dorsalis Loew 1866 (Psilopus)
Sciapus filipes Loew 1861 (Psilopus)
Sciapus floridanus Harmston 1971 (Sciapus)
Sciapus fuscinervis Van Duzee 1926 (Psilopus)
Sciapus infumatus Aldrich 1901 (Gnamptopsilopus)
Sciapus pallens Wiedemann 1830 (Psilopus)
Sciapus pollinosus Van Duzee 1915 (Sciapus)
Sciapus pressipes Parent 1929 (Sciapus)
Sciapus psittacinus Loew 1861 (Psilopus)
Sciapus rotundiceps Aldrich 1904 (Agonosoma)
Sciapus scintillans Loew 1861 (Psilopus)
Sciapus tener Loew 1862 (Psilopus)
Sciapus trisetosus Van Duzee 1932 (Sciapus)
Sciapus unicoiensis Robinson 1964 (Sciapus)
Sciapus unifasciatus Say 1823 (Dolichopus)
Sciapus variegatus Loew 1861 (Psilopus)

Sympycnidelphus californicus Harmston 1968 (Sympycnidelphus)
Sympycnidelphus sharpi Robinson 1964 (Sympycnidelphus)
Sympycnidelphus texanus Harmston 1968 (Sympycnidelphus)

Sympycnus aldrichi Van Duzee 1930 (Sympycnus)
Sympycnus arizonicus Harmston 1968 (Sympycnus)
Sympycnus aurifacies Van Duzee 1923 (Sympycnus)
Sympycnus basistylatus Parent 1929 (Sympycnus)
Sympycnus binodatus Harmston and Knowlton 1940 (Sympycnus)
Sympycnus brevicauda Van Duzee 1932 (Sympycnus)
Sympycnus brevipes Van Duzee 1933 (Sympycnus)
Sympycnus breviventris Van Duzee 1930 (Sympycnus)
Sympycnus calcaratus Van Duzee 1930 (Sympycnus)
Sympycnus clavatus Van Duzee 1913 (Sympycnus)
Sympycnus cuprinus Wheeler 1899 (Sympycnus)
Sympycnus fasciventris Van Duzee 1917 (Sympycnus)
Sympycnus globulicauda Van Duzee 1930 (Sympycnus)
Sympycnus hardyi Harmston and Knowlton 1940 (Sympycnus)
Sympycnus inaequalis Van Duzee 1930 (Sympycnus)
Sympycnus isoaristus Harmston and Knowlton 1940 (Sympycnus)
Sympycnus laevigatus Van Duzee 1930 (Sympycnus)
Sympycnus latitarsis Van Duzee 1930 (Sympycnus)
Sympycnus lineatus Loew 1861 (Sympycnus)
Sympycnus longinervis Van Duzee 1932 (Sympycnus)
Sympycnus marcidus Wheeler 1899 (Sympycnus)
Sympycnus minuticornis Van Duzee 1932 (Sympycnus)
Sympycnus montanus Van Duzee 1930 (Sympycnus)
Sympycnus pectoralis Van Duzee 1933 (Sympycnus)
Sympycnus pennarista Harmston and Knowlton 1940 (Sympycnus)
Sympycnus pictipes Harmston and Knowlton 1940 (Sympycnus)
Sympycnus pugil Wheeler 1899 (Sympycnus)
Sympycnus pulvillus Van Duzee 1930 (Sympycnus)
Sympycnus setosus Van Duzee 1930 (Sympycnus)
Sympycnus tertianus Loew 1864 (Sympycnus)
Sympycnus tripilus Van Duzee 1930 (Sympycnus)
Sympycnus utahensis Harmston and Knowlton 1939 (Sympycnus)

Syntormon affinis Wheeler 1899 (Synarthrus)
Syntormon bisinuatum Van Duzee 1925 (Syntormon)
Syntormon californicum Harmston 1951 (Syntormon)
Syntormon cinereiventris Loew 1861 (Synarthrus)
Syntormon clavatum Van Duzee 1925 (Syntormon)
Syntormon dissimilipes Van Duzee 1925 (Syntormon)
Syntormon femoratum Van Duzee 1925 (Syntormon)
Syntormon kennedyi Harmston and Knowlton 1942 (Syntormon)
Syntormon myklebusti Harmston and Miller 1966 (Syntormon)
Syntormon nubilum Van Duzee 1933 (Syntormon)
Syntormon oregonensis Harmston and Knowlton 1942 (Syntormon)
Syntormon ornatipes Van Duzee 1925 (Syntormon)
Syntormon palmaris Loew 1864 (Synarthrus)
Syntormon simplicitarse Van Duzee 1925 (Syntormon)
Syntormon strataegus Wheeler 1899 (Synarthrus)
Syntormon tricoloripes Curran 1923 (Syntormon)
Syntormon uintaensis Harmston and Knowlton 1940 (Syntormon)
Syntormon utahensis Harmston and Knowlton 1942 (Syntormon)
Syntormon vanduzeei Curran 1931 (Syntormon)
Syntormon variegatum Harmston 1952 (Syntormon)

Systenus albimanus Wirth 1952 (Systenus)
Systenus apicalis Wirth 1952 (Systenus)
Systenus californicus Harmston 1968 (Systenus)
Systenus eucercus Steyskal 1970 (Systenus)
Systenus minuta Van Duzee 1913 (Neurigona)
Systenus shannoni Wirth 1952 (Systenus)

Tachytrechus albonotatus Loew 1864 (Paraclius)
Tachytrechus angulatus Van Duzee 1914 (Paraclius)
Tachytrechus angustipennis Loew 1862 (Tachytrechus)
Tachytrechus argyropus Becker 1922 (Tachytrechus)
Tachytrechus auratus Aldrich 1896 (Macellocerus)
Tachytrechus binodatus Loew 1866 (Tachytrechus)
Tachytrechus boharti Harmston 1968 (Tachytrechus)
Tachytrechus californicus Harmston and Knowlton 1943 (Polymedon)
Tachytrechus californicus Harmston and Knowlton 1963 (Tachytrechus)
Tachytrechus castus Wheeler 1899 (Polymedon)
Tachytrechus dilaticosta Van Duzee 1927 (Polymedon)
Tachytrechus duplicatus Harmston 1972 (Tachytrechus)
Tachytrechus flabellifer Osten Sacken 1877 (Polymedon)
Tachytrechus flavitibialis Van Duzee 1930 (Polymedon)
Tachytrechus floridensis Aldrich 1896 (Tachytrechus)
Tachytrechus granditarsis Greene 1922 (Tachytrechus)
Tachytrechus greeni Foote, Coulson, and Robinson 1965 (Tachytrechus)
Tachytrechus indianus Harmston and Knowlton 1946 (Paraclius)
Tachytrechus laticrus Van Duzee 1918 (Tachytrechus)
Tachytrechus mchughi Harmston 1972 (Tachytrechus)
Tachytrechus milleri Harmston 1966 (Tachytrechus)
Tachytrechus moechus Loew 1861 (Tachytrechus)
Tachytrechus mysticus Becker 1922 (Paraclius)
Tachytrechus nigrifemoratus Van Duzee 1927 (Polymedon)
Tachytrechus nimius Aldrich 1901 (Polymedon)
Tachytrechus nitidus Van Duzee 1927 (Polymedon)
Tachytrechus olympiae Aldrich 1896 (Macellocerus)
Tachytrechus protervus Melander 1900 (Tachytrechus)
Tachytrechus rotundipennis Greene 1922 (Tachytrechus)
Tachytrechus sanus Osten Sacken 1877 (Tachytrechus)
Tachytrechus simulatus Greene 1922 (Tachytrechus)
Tachytrechus spinitarsis Van Duzee 1924 (Tetrechus)
Tachytrechus tahoensis Harmston and Knowlton 1940 (Tachytrechus)
Tachytrechus tenuiseta Greene 1922 (Tachytrechus)
Tachytrechus utahensis Harmston and Knowlton 1940 (Tachytrechus)
Tachytrechus volitans Melander 1900 (Tachytrechus)
Tachytrechus vorax Loew 1861 (Tachytrechus)

Telmaturgus parvus Van Duzee 1924 (Chrysotus)

Teuchophorus clavigerellus Wheeler 1899 (Teuchophorus)
Teuchophorus condylus Harmston and Knowlton 1946 (Teuchophorus)
Teuchophorus diminucosta Harmston and Knowlton 1942 (Teuchophorus)
Teuchophorus utahensis Harmston and Knowlton 1942 (Teuchophorus)

Thinophilus armiger Van Duzee 1926 (Thinophilus)
Thinophilus bimaculatus Johnson 1921 (Thinophilus)
Thinophilus brevipes Van Duzee 1932 (Thinophilus)
Thinophilus canities Van Duzee 1926 (Thinophilus)
Thinophilus delicatus Van Duzee 1926 (Thinophilus)
Thinophilus depressus Van Duzee 1926 (Thinophilus)
Thinophilus flavicaudatus Robinson 1964 (Thinophilus)
Thinophilus frontalis Van Duzee 1914 (Thinophilus)
Thinophilus insulanus Van Duzee 1926 (Thinophilus)
Thinophilus latimanus Van Duzee 1926 (Thinophilus)
Thinophilus magnipalpus Van Duzee 1926 (Thinophilus)
Thinophilus neglectus Wheeler 1899 (Thinophilus)
Thinophilus ochrifacies Van Duzee 1924 (Thinophilus)
Thinophilus pectinifer Wheeler 1896 (Thinophilus)
Thinophilus prasinus Johnson 1921 (Thinophilus)
Thinophilus pruinosus Van Duzee 1930 (Thinophilus)
Thinophilus rufibarbis Van Duzee 1926 (Thinophilus)
Thinophilus russelli Curran 1927 (Thinophilus)
Thinophilus scopiventris Harmston and Knowlton 1940 (Thinophilus)
Thinophilus semipallidus Robinson 1964 (Thinophilus)
Thinophilus spinipes Van Duzee 1926 (Thinophilus)
Thinophilus thallasinus Van Duzee 1926 (Thinophilus)
Thinophilus vespertinus Robinson 1964 (Thinophilus)
Thinophilus vinculatus Harmston and Rapp 1968 (Thinophilus)
Thinophilus viridifacies Van Duzee 1924 (Thinophilus)

Thrypticus abdominalis Say 1829 (Chrysotus)
Thrypticus aurinotatus Van Duzee 1915 (Thrypticus)
Thrypticus comosus Van Duzee 1915 (Thrypticus)
Thrypticus deficiens Robinson 1980 (Thrypticus)
Thrypticus dissectus Robinson 1964 (Thrypticus)
Thrypticus fosteri Robinson 1980 (Thrypticus)
Thrypticus fraterculus Wheeler 1890 (Aphantotimus)
Thrypticus grogani Robinson 1980 (Thrypticus)
Thrypticus longicauda Van Duzee 1921 (Thrypticus)
Thrypticus minutus Parent 1929 (Thrypticus)
Thrypticus muhlenbergiae Johannsen and Crosby 1913 (Thrypticus) Thrypticus nigripes Van Duzee 1921 (Thrypticus)
Thrypticus setosus Robinson 1964 (Thrypticus)
Thrypticus squamiciliatus Harmston and Rapp 1968 (Thrypticus)
Thrypticus tectus Van Duzee 1915 (Thrypticus)
Thrypticus vietus Van Duzee 1915 (Thrypticus)
Thrypticus willistoni Wheeler 1890 (Aphantotimus)