| Abiskomyia Edwards, 1937 | | 1 | Species | Taxom |
| Acamptocladius van der Wulp, 1971 | | 1 | Species | Taxom |
| Acricotopus Kieffer, 1915 | | 2 | Species | Taxom |
| Allocladius Kieffer, 1926 | | 1 | Species | Taxom |
| Antillocladius Sæther, 1982 | | 2 | Species | Taxom |
| Apometriocnemus Sæther, 1985 | | 2 | Species | Taxom |
| Baeoctenus Sæther, 1976 | | 1 | Species | Taxom |
| Brillia Kieffer, 1957 | | 6 | Species | Taxom |
| Bryophaenocladius Thienemann, 1915 | | 11 | Species | Taxom |
| Camptocladius van der Wulp, 1776 | | 1 | Species | Taxom |
| Cardiocladius Kieffer, 1902 | | 4 | Species | Taxom |
| Chaetocladius Kieffer, 1947 | | 8 | Species | Taxom |
| Chasmatonotus Loew, 1900 | | 8 | Species | Taxom |
| Clunio Haliday, 1947 | | 2 | Species | Taxom |
| Compterosmittia Sæther, 1930 | | 2 | Species | Taxom |
| Corynoneura Winnertz, 1957 | | 10 | Species | Taxom |
| Cricotopus van der Wulp, 1988 | | 69 | Species | Taxom |
| Diplocladius Kieffer, 1908 | | 1 | Species | Taxom |
| Diplosmittia Saether, 1985 | | 1 | Species | Taxom |
| Doithrix Saether & Su..., 1983 | | 6 | Species | Taxom |
| Doncricotopus Sæther, 1981 | | 1 | Species | Taxom |
| Endotribelos Grodhaus, 1960 | | 1 | Species | Taxom |
| Epoicocladius Sulc & ZavÃ..., 1915 | | 2 | Species | Taxom |
| Eretmoptera Kellog, 1900 | | 1 | Species | Taxom |
| Eukiefferiella Thienemann, 1969 | | 8 | Species | Taxom |
| Euryhapsis Oliver, 1981 | | 3 | Species | Taxom |
| Georthocladius Strenzke, 1983 | | 5 | Species | Taxom |
| Gymnometriocnemus Goetghebeur, 1929 | | 2 | Species | Taxom |
| Halocladius Hirvenoja, 1818 | | 2 | Species | Taxom |
| Heleniella van der Wulp, 1985 | | 3 | Species | Taxom |
| Heterotanytarsus Spärck, 1975 | | 2 | Species | Taxom |
| Heterotrissocladius Spärck, 1911 | | 10 | Species | Taxom |
| Hydrobaenus Fries, 1976 | | 14 | Species | Taxom |
| Hydrosmittia Saether & Fe..., 1922 | | 1 | Species | Taxom |
| Krenosmittia Thienemann &..., 1986 | | 3 | Species | Taxom |
| Limnophyes Eaton, 1975 | | 21 | Species | Taxom |
| Lipurometriocnemus Saether, 1982 | | 1 | Species | Taxom |
| Lopescladius Oliveira, 1983 | | 3 | Species | Taxom |
| Mesocricotopus Brundin, 1940 | | 1 | Species | Taxom |
| Mesosmittia Brundin, 1985 | | 6 | Species | Taxom |
| Metriocnemus van der Wulp, 1987 | | 18 | Species | Taxom |
| Nanocladius Kieffer, 1905 | | 13 | Species | Taxom |
| Oliveridia Sæther, 1976 | | 2 | Species | Taxom |
| Oreadomyia Kevan & Cutt..., 1975 | | 1 | Species | Taxom |
| Orthocladiinae | Orthoclads | 7 | Species | Taxom |
| Orthocladius van der Wulp, 1990 | | 52 | Species | Taxom |
| Parachaetocladius Wulker, 1983 | | 4 | Species | Taxom |
| Paracladius Hirvenoja, 1973 | | 3 | Species | Taxom |
| Paracricotopus Thienemann &..., 1983 | | 3 | Species | Taxom |
| Parakiefferiella Thienemann, 1915 | | 6 | Species | Taxom |
| Paralimnophyes Brundin, 1956 | | 1 | Species | Taxom |
| Parametriocnemus Goetghebeur, 1969 | | 6 | Species | Taxom |
| Paraphaenocladius Thienemann, 1969 | | 6 | Species | Taxom |
| Parasmittia Strenzke, 1950 | | 1 | Species | Taxom |
| Paratrichocladius Thienemann, 2012 | | 4 | Species | Taxom |
| Paratrissocladius ZavÃel, 1988 | | 1 | Species | Taxom |
| Parorthocladius Thienemann, 1938 | | 1 | Species | Taxom |
| Platysmittia Saether, 1982 | | 2 | Species | Taxom |
| Plhudsonia Saether, 1982 | | 1 | Species | Taxom |
| Psectrocladius Kieffer, 1915 | | 21 | Species | Taxom |
| Pseudorthocladius Goetghebuer, 1983 | | 18 | Species | Taxom |
| Pseudosmittia Goetghebeur, 1969 | | 7 | Species | Taxom |
| Psilometriocnemus Sæther, 1969 | | 1 | Species | Taxom |
| Rheocricotopus Brundin, 1988 | | 11 | Species | Taxom |
| Saetheriella Halvorsen, 1982 | | 1 | Species | Taxom |
| Smittia Holmgren, 1898 | | 17 | Species | Taxom |
| Stilocladius Rossaro, 1982 | | 1 | Species | Taxom |
| Sublettiella Saether, 1983 | | 1 | Species | Taxom |
| Symbiocladius Kieffer, 1922 | | 2 | Species | Taxom |
| Synorthocladius Thienemann, 1909 | | 1 | Species | Taxom |
| Tavastia Tuiskunen, 1992 | | 1 | Species | Taxom |
| Tethymyia Wirth, 1949 | | 1 | Species | Taxom |
| Thalassosmittia Strenzke & R..., 1928 | | 3 | Species | Taxom |
| Thienemannia Kieffer, 1985 | | 1 | Species | Taxom |
| Thienemanniella Kieffer, 1957 | | 7 | Species | Taxom |
| Tokunagaia Sæther, 1969 | | 3 | Species | Taxom |
| Trichochilus Saether, 1908 | | 1 | Species | Taxom |
| Tvetenia Tvetenia, 1969 | | 4 | Species | Taxom |
| Unniella Sæther, 1982 | | 1 | Species | Taxom |
| Vivacricotopus Schnell & Sæ..., 1988 | | 1 | Species | Taxom |
| Xylotopus Oliver, 1901 | | 1 | Species | Taxom |
| Zalutschia Lipina, 1939 | | 12 | Species | Taxom |
| Abiskomyia virgo Edwards, 1937 | |
| Acamptocladius dentolatens Saether, 1971 | |
| Acricotopus lucens Zetterstedt, 1850 | |
| Acricotopus nitidellus Malloch, 1915 | |
| Allocladius nanseni Kieffer, 1926 | |
| Antillocladius arcuatus Saether, 1982 | |
| Antillocladius pluspilalus Saether, 1982 | |
| Apometriocnemus beringensis Cranston & O..., 1988 | |
| Apometriocnemus fontinalis Saether, 1985 | |
| Baeoctenus bicolor Saether, 1976 | |
| Brillia flavifrons Johannsen, 1905 | |
| Brillia laculata Oliver & Rou..., 1983 | Lewis' mock orange |
| Brillia longifurca (Kieffer, 1921) | ⇒ Brillia flavifrons Johannsen, 1905 |
| Brillia parva Johannsen, 1934 | |
| Brillia retifinis Saether, 1969 | Alpine sweetvetch |
| Brillia sera Roback, 1957 | Cusp clover |
| Bryophaenocladius aestivus Brundin, 1947 | |
| Bryophaenocladius astis Roback, 1957 | |
| Bryophaenocladius digitatus Saether, 1973 | |
| Bryophaenocladius flavoscutellatus Malloch, 1915 | |
| Bryophaenocladius fumosinus Curran, 1930 | |
| Bryophaenocladius furcatus Kieffer, 1916 | |
| Bryophaenocladius impectinus Saether, 1976 | |
| Bryophaenocladius laticaudus Saether, 1973 | |
| Bryophaenocladius pleuralis Malloch, 1915 | |
| Bryophaenocladius psilacrus Saether, 1982 | |
| Bryophaenocladius subparallelus Malloch, 1915 | |
| Camptocladius stercorarius De Geer, 1776 | |
| Cardiocladius albiplumus Saether, 1969 | Alpine sweetvetch |
| Cardiocladius fulva Johannsen, 1908 | |
| Cardiocladius obscura Johannsen, 1903 | |
| Cardiocladius platypus Coquillett, 1902 | |
| Chaetocladius (Chaetocladius) grandilobus Brundin, 1956 | |
| Chaetocladius (Chaetocladius) holmgreni Jacobson, 1898 | |
| Chaetocladius (Chaetocladius) perennis Meigen, 1830 | |
| Chaetocladius (Chaetocladius) piger Goetghebuer, 1913 | |
| Chaetocladius adsimilis Goetghebuer, 1933 | |
| Chaetocladius ligni Cranston & O..., 1988 | |
| Chaetocladius oliveri (Saether, 1969) | ⇒ Chaetocladius piger Goetghebuer, 1913 |
| Chaetocladius stamfordi Johannsen, 1947 | Spreading sweetjuice |
| Chasmatonotus atripes Rempel, 1937 | Green slender lupine |
| Chasmatonotus bicolor Rempel, 1937 | Green slender lupine |
| Chasmatonotus bimaculatus Osten Sacken, 1877 | |
| Chasmatonotus fascipennis Coquillett, 1905 | |
| Chasmatonotus hyalinus Coquillett, 1905 | |
| Chasmatonotus maculipennis Rempel, 1937 | Green slender lupine |
| Chasmatonotus unimaculatus Loew, 1864 | |
| Chasmatonotus univittatus Coquillett, 1900 | |
| Clunio californiensis Hashimoto, 1974 | Foothill larkspur |
| Clunio marshalli Stone & Wirth, 1947 | Cascara buckthorn |
| Compterosmittia clavigera (Saether, 1982) | ⇒ Compterosmittia nerius Curran, 1930 |
| Compterosmittia nerius Curran, 1930 | |
| Corynoneura arctica Kieffer, 1923 | |
| Corynoneura celeripes Winnertz, 1852 | Pointed phlox |
| Corynoneura diara Roback, 1957 | Cusp clover |
| Corynoneura fittkaui Schlee, 1968 | |
| Corynoneura lacustris Edwards, 1924 | |
| Corynoneura lobata Edwards, 1924 | Palmer's asterella |
| Corynoneura minuscula Brundin, 1949 | |
| Corynoneura oxfordana Boesel & Winner, 1980 | |
| Corynoneura scutellata Winnertz, 1846 | Coville's phlox |
| Corynoneura taris Roback, 1957 | Cusp clover |
| Cricotopus (Cricotopus) absurdus Johannsen, 1905 | |
| Cricotopus (Cricotopus) annulator Goetghebuer, 1927 | Anglevein fern |
| Cricotopus (Cricotopus) baptistensis Boesel, 1983 | |
| Cricotopus (Cricotopus) bicinctus Meigen, 1818 | Midge |
| Cricotopus (Cricotopus) brunnicans Walley, 1928 | Redring milkweed |
| Cricotopus (Cricotopus) coronatus Hirvenoja, 1973 | Tree poppy |
| Cricotopus (Cricotopus) cumulatus Hirvenoja, 1973 | Tree poppy |
| Cricotopus (Cricotopus) cylindraceus Kieffer, 1908 | |
| Cricotopus (Cricotopus) diversus Boesel, 1983 | |
| Cricotopus (Cricotopus) edurus Sublette & S..., 1971 | Bottlebrush buckeye |
| Cricotopus (Cricotopus) elegans Johannsen, 1943 | Gray chickweed |
| Cricotopus (Cricotopus) ephippium Zetterstedt, 1838 | |
| Cricotopus (Cricotopus) festivellus Kieffer, 1906 | |
| Cricotopus (Cricotopus) flavocinctus Kieffer, 1924 | |
| Cricotopus (Cricotopus) fugax Johannsen, 1905 | |
| Cricotopus (Cricotopus) furtivus Sublette & S..., 1971 | Bottlebrush buckeye |
| Cricotopus (Cricotopus) fuscus Kieffer, 1909 | |
| Cricotopus (Cricotopus) gelidus Kieffer, 1922 | |
| Cricotopus (Cricotopus) geminatus Say, 1823 | |
| Cricotopus (Cricotopus) globistylus Roback, 1957 | Cusp clover |
| Cricotopus (Cricotopus) infuscatus Malloch, 1915 | |
| Cricotopus (Cricotopus) junus Roback, 1957 | Cusp clover |
| Cricotopus (Cricotopus) lestralis Edwards, 1924 | |
| Cricotopus (Cricotopus) luciae Lesage, 1980 | Swamp rose-mallow |
| Cricotopus (Cricotopus) mackenziensis Oliver, 1977 | Mearns' mock orange |
| Cricotopus (Cricotopus) macraei Saether, 1971 | Northern sweetvetch |
| Cricotopus (Cricotopus) obscurifuscus Sublette & S..., 1971 | Bottlebrush buckeye |
| Cricotopus (Cricotopus) oceanicus Packard, 1869 | |
| Cricotopus (Cricotopus) olivetus Boesel, 1983 | |
| Cricotopus (Cricotopus) parafuscatus Sublette & S..., 1971 | Bottlebrush buckeye |
| Cricotopus (Cricotopus) patens Hirvenoja, 1973 | |
| Cricotopus (Cricotopus) pedatus Sublette, 1967 | Maples |
| Cricotopus (Cricotopus) pilosellus Brundin, 1956 | |
| Cricotopus (Cricotopus) polaris (Kieffer, 1926) | ⇒ Cricotopus lestralis Edwards, 1924 |
| Cricotopus (Cricotopus) politus Coquillett, 1902 | |
| Cricotopus (Cricotopus) pulchripes Verrall, 1912 | |
| Cricotopus (Cricotopus) slossonae Malloch, 1915 | Maui bur cucumber |
| Cricotopus (Cricotopus) subfuscus Sublette & S..., 1971 | Bottlebrush buckeye |
| Cricotopus (Cricotopus) tibialis (Meigen, 1804) | ⇒ Cricotopus reversus Hirvenoja, 1973 |
| Cricotopus (Cricotopus) triannulatus Macquart, 1826 | |
| Cricotopus (Cricotopus) trifascia Edwards, 1929 | |
| Cricotopus (Cricotopus) tristis (Hirvenoja, 1973) | ⇒ Cricotopus varipes Coquillett, 1902 |
| Cricotopus (Cricotopus) varipes Coquillett, 1902 | |
| Cricotopus (Cricotopus) vierriensis Goetghebuer, 1935 | |
| Cricotopus (Isocladius) flavibasis Malloch, 1915 | Maui bur cucumber |
| Cricotopus (Isocladius) flavipes Johannsen, 1942 | Trans-Pecos chickweed |
| Cricotopus (Isocladius) intersectus Staeger, 1839 | |
| Cricotopus (Isocladius) laetus Hirvenoja, 1973 | Tree poppy |
| Cricotopus (Isocladius) laricomalis Edwards, 1932 | |
| Cricotopus (Isocladius) myriophylli Oliver, 1984 | Littleleaf mock orange |
| Cricotopus (Isocladius) obnixus Walker, 1856 | |
| Cricotopus (Isocladius) obtusus Hirvenoja, 1973 | |
| Cricotopus (Isocladius) ornatus Meigen, 1818 | |
| Cricotopus (Isocladius) pilitarsis Zetterstedt, 1850 | |
| Cricotopus (Isocladius) reversus Hirvenoja, 1973 | Tree poppy |
| Cricotopus (Isocladius) sylvestris Fabricius, 1794 | Phantom midge |
| Cricotopus (Isocladius) tricinctus Meigen, 1818 | |
| Cricotopus (Isocladius) trifasciatus Meigen, 1813 | Non-biting midge |
| Cricotopus (Nostococladius) fuscatus Wirth, 1957 | Downy phlox |
| Cricotopus (Nostococladius) nostocicola Wirth, 1957 | Downy phlox |
| Cricotopus abana Curran, 1929 | |
| Cricotopus belkini Dendy & Subl..., 1959 | |
| Cricotopus beringensis Oliver & Dillon, 1988 | |
| Cricotopus bifurcatus Cranston & O..., 1988 | |
| Cricotopus claripes Hirvenoja, 1973 | |
| Cricotopus curtis Hirvenoja, 1973 | |
| Cricotopus pillosellus Brundin, 1956 | |
| Cricotopus tremula Linnaeus, 1758 | |
| Cricotopus trilobus Oliver & Dillon, 1988 | |
| Diplocladius cultriger Kieffer, 1908 | Prairie fameflower |
| Diplosmittia carinata Saether, 1985 | |
| Doithrix barberi Saether & Su..., 1983 | Sweetvetch |
| Doithrix dillonae Cranston & O..., 1988 | |
| Doithrix ensifer Saether & Su..., 1983 | Sweetvetch |
| Doithrix hamiltoni Saether & Su..., 1983 | Sweetvetch |
| Doithrix parcivillosa Saether & Su..., 1983 | Sweetvetch |
| Doithrix villosa Saether & Su..., 1983 | Sweetvetch |
| Doncricotopus bicaudatus Saether, 1981 | |
| Endotribelos hesperius Sublette, 1960 | |
| Epoicocladius ephemerae Kieffer, 1924 | |
| Epoicocladius flavens (Malloch, 1915) | ⇒ Epoicocladius ephemerae Kieffer, 1924 |
| Eretmoptera browni Kellogg, 1900 | |
| Eukiefferiella brehmi Gowin, 1943 | |
| Eukiefferiella brevinervis Malloch, 1915 | |
| Eukiefferiella claripennis Lundbeck, 1898 | |
| Eukiefferiella cyanea Thienemann, 1936 | |
| Eukiefferiella devonica Edwards, 1929 | |
| Eukiefferiella gracei Edwards, 1929 | |
| Eukiefferiella minor Edwards, 1929 | |
| Eukiefferiella unicalcar Saether, 1969 | |
| Euryhapsis annuliventris Malloch, 1915 | |
| Euryhapsis cilium Olivier, 1981 | Littleleaf mock orange |
| Euryhapsis illoba Oliver, 1981 | Littleleaf mock orange |
| Georthocladius (Georthocladius) platystylus Saether & Su..., 1983 | Sweetvetch |
| Georthocladius curticornus Saether, 1982 | |
| Georthocladius fimbriosus Saether & Su..., 1983 | Sweetvetch |
| Georthocladius triquetrus Saether & Su..., 1983 | Sweetvetch |
| Georthocladius wirthi Saether & Su..., 1983 | Sweetvetch |
| Gymnometriocnemus (Gymnometriocnemus) subnudus Edwards, 1929 | |
| Gymnometriocnemus (Rhaphidocladius) brumalis Edwards, 1929 | |
| Halocladius (Halocladius) variabilis Staeger, 1839 | Marine midge |
| Halocladius vitripennis Meigen, 1818 | |
| Heleniella curtistila Saether, 1969 | Alpine sweetvetch |
| Heleniella hirta Saether, 1969 | Alpine sweetvetch |
| Heleniella parva Saether, 1985 | |
| Heterotanytarsus nudalus Saether, 1975 | Alpine French-honeysuckle |
| Heterotanytarsus perennis Saether, 1975 | Alpine French-honeysuckle |
| Heterotrissocladius boltoni Saether, 1993 | |
| Heterotrissocladius changi Saether, 1975 | Alpine French-honeysuckle |
| Heterotrissocladius cooki Saether, 1975 | Alpine French-honeysuckle |
| Heterotrissocladius hirtapex Saether, 1975 | Alpine French-honeysuckle |
| Heterotrissocladius latilaminus Saether, 1975 | Alpine French-honeysuckle |
| Heterotrissocladius maari Brundin, 1949 | |
| Heterotrissocladius marcidus Walker, 1856 | |
| Heterotrissocladius oliveri (Saether, 1975) | ⇒ Heterotrissocladius subpilosus Kieffer, 1911 |
| Heterotrissocladius similis Kieffer, 1922 | |
| Heterotrissocladius subpilosus Kieffer, 1911 | |
| Hydrobaenus calvescens Saether, 1976 | |
| Hydrobaenus conformis Holmgren, 1869 | Small-spike false nettle |
| Hydrobaenus domus Sublette, 1966 | |
| Hydrobaenus fusistylus Goetghebuer, 1933 | |
| Hydrobaenus hudsoni Saether, 1976 | |
| Hydrobaenus laticaudus Saether, 1976 | |
| Hydrobaenus martini Saether, 1976 | |
| Hydrobaenus pilipes Malloch, 1915 | |
| Hydrobaenus pilipodex Saether, 1976 | |
| Hydrobaenus scapulapilosus Saether, 1976 | |
| Hydrobaenus spinnatis Saether, 1976 | |
| Hydrobaenus travisi Saether, 1989 | |
| Hydrobaenus tumidistylus Saether, 1976 | |
| Hydrobaenus virgo Saether, 1976 | |
| Hydrosmittia oxoniana Edwards, 1922 | |
| Krenosmittia boreoalpina Goetghebuer, 1944 | |
| Krenosmittia camptophelps Edwards, 1929 | |
| Krenosmittia halvorseni Cranston & S..., 1986 | |
| Limnophyes anderseni Saether, 1990 | |
| Limnophyes asquamatus Andersen, 1937 | Alpine French-honeysuckle |
| Limnophyes atomarius Zetterstedt, 1850 | |
| Limnophyes brachytomus Kieffer, 1922 | |
| Limnophyes carolinensis Saether, 1975 | Alpine French-honeysuckle |
| Limnophyes coloradensis Saether, 1975 | Alpine French-honeysuckle |
| Limnophyes doughmani Saether, 1990 | |
| Limnophyes eltoni Edwards, 1922 | |
| Limnophyes fumosus Johannsen, 1905 | |
| Limnophyes habilis Walker, 1856 | |
| Limnophyes hastulatus Saether, 1975 | Alpine French-honeysuckle |
| Limnophyes madeirae Saether, 1990 | |
| Limnophyes margaretae Saether, 1975 | Alpine French-honeysuckle |
| Limnophyes minimus (Meigen, 1818) | ⇒ Limnophyes ninae Saether, 1975 |
| Limnophyes natalensis Kieffer, 1914 | |
| Limnophyes ninae Saether, 1975 | Alpine French-honeysuckle |
| Limnophyes pentaplastus Kieffer, 1921 | |
| Limnophyes pilicistulus Saether, 1975 | Alpine French-honeysuckle |
| Limnophyes prolongatus (Kieffer, 1921) | ⇒ Limnophyes madeirae Saether, 1990 |
| Limnophyes pumilio Holmgren, 1869 | |
| Limnophyes recisus Saether, 1975 | Alpine French-honeysuckle |
| Lipurometriocnemus vixlobatus Saether, 1982 | |
| Lopescladius hyporheicus Coffman & Ro..., 1984 | |
| Lopescladius inermis Saether, 1983 | |
| Lopescladius verruculosus Saether, 1983 | |
| Mesocricotopus thienemanni Goetghebuer, 1940 | |
| Mesosmittia acutistylus Saether, 1985 | |
| Mesosmittia lobiga Saether, 1985 | |
| Mesosmittia mina Saether, 1985 | |
| Mesosmittia patrihortae Saether, 1985 | |
| Mesosmittia prolixa Saether, 1985 | |
| Mesosmittia tora Saether, 1985 | |
| Metriocnemus (Metriocnemus) albolineatus Meigen, 1818 | |
| Metriocnemus (Metriocnemus) brusti Saether, 1898 | |
| Metriocnemus (Metriocnemus) eurynotus Holmgren, 1883 | |
| Metriocnemus (Metriocnemus) fuscipes Meigen, 1818 | |
| Metriocnemus (Metriocnemus) longipennis Holmgren, 1883 | |
| Metriocnemus (Metriocnemus) picipes Meigen, 1818 | |
| Metriocnemus (Metriocnemus) tristellus Edwards, 1929 | |
| Metriocnemus (Metriocnemus) ursinus Holmgren, 1869 | |
| Metriocnemus abdominoflavatus Picado, 1913 | |
| Metriocnemus aequalis Johannsen, 1934 | Aleutian chickweed |
| Metriocnemus edwardsi Jones, 1916 | Hooker's silene |
| Metriocnemus hygropetricus (Kieffer, 1911) | ⇒ Metriocnemus eurynotus Holmgren, 1883 |
| Metriocnemus knabi Coquillett, 1904 | Pitcher plant midge |
| Metriocnemus obscuripes (Holmgren, 1869) | ⇒ Metriocnemus eurynotus Holmgren, 1883 |
| Metriocnemus perfuscus Malloch, 1934 | |
| Metriocnemus polaris Kieffer, 1926 | |
| Metriocnemus similis (Kieffer, 1922) | ⇒ Heterotrissocladius similis Kieffer, 1922 |
| Metriocnemus yaquina Cranston & Judd, 1987 | |
| Nanocladius (Nanocladius) anderseni Saether, 1977 | Western sweetvetch |
| Nanocladius (Nanocladius) distinctus Malloch, 1915 | |
| Nanocladius (Nanocladius) parvulus Kieffer, 1909 | |
| Nanocladius (Nanocladius) rectinervis Kieffer, 1911 | |
| Nanocladius (Nanocladius) spiniplenus Saether, 1977 | Western sweetvetch |
| Nanocladius alternantherae Dendy & Subl..., 1959 | |
| Nanocladius branchicolus Saether, 1977 | Western sweetvetch |
| Nanocladius crassicornus Saether, 1977 | Western sweetvetch |
| Nanocladius downesi Steffan, 1965 | |
| Nanocladius incomptus Saether, 1977 | Western sweetvetch |
| Nanocladius mallochi Sublette, 1970 | Red maple |
| Nanocladius minimus Saether, 1977 | Western sweetvetch |
| Nanocladius sordens Johannsen, 1905 | |
| Oliveridia hugginsi Ferrington &..., 1987 | |
| Oliveridia tricornis Oliver, 1976 | |
| Oreadomyia albertae Kevan & Cutt..., 1975 | Narrowleaf Indianlettuce |
| Orthocladiinae albidohalteralis Malloch, 1915 | |
| Orthocladiinae ater Goetghebuern, 1955 | |
| Orthocladiinae bifasciatus Malloch, 1918 | |
| Orthocladiinae clepsydrus Coquillett, 1902 | |
| Orthocladiinae glacialis Kieffer, 1922 | |
| Orthocladiinae minutus Goetghebuer, 1934 | |
| Orthocladiinae septris Roback, 1957 | |
| Orthocladius (Eudactylocladius) dubitatus Johannsen, 1942 | Trans-Pecos chickweed |
| Orthocladius (Eudactylocladius) gelidorum Kieffer, 1923 | |
| Orthocladius (Eudactylocladius) gelidus Kieffer, 1922 | |
| Orthocladius (Eudactylocladius) nanseni (Kieffer, 1926) | ⇒ Orthocladius gelidorum Kieffer, 1923 |
| Orthocladius (Euorthocladius) abiskoensis Edwards, 1937 | |
| Orthocladius (Euorthocladius) difficilis Lundbeck, 1898 | |
| Orthocladius (Euorthocladius) frigidus Zetterstedt, 1838 | |
| Orthocladius (Euorthocladius) rivicola Kieffer, 1911 | Quill fameflower |
| Orthocladius (Euorthocladius) rivulorum Kieffer, 1909 | Okanogan fameflower |
| Orthocladius (Euorthocladius) saxosus Tokunaga, 1939 | |
| Orthocladius (Euorthocladius) thienemanni Kieffer, 1906 | Pygmy fameflower |
| Orthocladius (Orthocladius) annectens Saether, 1969 | Alpine sweetvetch |
| Orthocladius (Orthocladius) appersoni Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) barbicornis Linnaeus, 1767 | |
| Orthocladius (Orthocladius) carlatus Roback, 1957 | |
| Orthocladius (Orthocladius) charensis Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) clarkei Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) cooki Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) decoratus Holmgren, 1869 | |
| Orthocladius (Orthocladius) dentifer Brundin, 1947 | Chironomid |
| Orthocladius (Orthocladius) dorenus Roback, 1957 | Cusp clover |
| Orthocladius (Orthocladius) ferringtoni Soponis, 1983 | |
| Orthocladius (Orthocladius) groenlandensis Goetghebuer, 1933 | |
| Orthocladius (Orthocladius) hazenensis Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) hellenthali Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) knabeni Goetghebuer, 1933 | |
| Orthocladius (Orthocladius) knuthi Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) lapponicus Goetghebuer, 1940 | Dotted polypody |
| Orthocladius (Orthocladius) mallochi Kieffer, 1919 | |
| Orthocladius (Orthocladius) manitobensis Saether, 1969 | Alpine sweetvetch |
| Orthocladius (Orthocladius) mixtus (Holmgren, 1869) | ⇒ Orthocladius decoratus Holmgren, 1869 |
| Orthocladius (Orthocladius) nigritus (Malloch, 1915) | ⇒ Paratrichocladius spiesi Ashe & O´Con..., 2012 |
| Orthocladius (Orthocladius) oblidens Walker, 1856 | |
| Orthocladius (Orthocladius) obumbratus Johannsen, 1905 | Disphyma |
| Orthocladius (Orthocladius) oliveri Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) robacki Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) rubicundus Meigen, 1818 | |
| Orthocladius (Orthocladius) smolandicus Brundin, 1947 | |
| Orthocladius (Orthocladius) spitzbergensis Kieffer, 1919 | |
| Orthocladius (Orthocladius) subletti Soponis, 1977 | Bittersweet |
| Orthocladius (Orthocladius) trigonolabis Edwards, 1924 | Palmer's asterella |
| Orthocladius (Orthocladius) wiensi Saether, 1969 | Alpine sweetvetch |
| Orthocladius (Pogonocladius) consobrinus Holmgren, 1869 | |
| Orthocladius (Symposiocladius) lignicola Kieffer, 1915 | Redmaids |
| Orthocladius albidohalteralis (Malloch, 1915) | ⇒ Orthocladiinae albidohalteralis Malloch, 1915 |
| Orthocladius anteilis Roback, 1957 | |
| Orthocladius bifasciatus (Malloch, 1918) | ⇒ Orthocladiinae bifasciatus Malloch, 1918 |
| Orthocladius clepsydrus (Coquillett, 1902) | ⇒ Orthocladiinae clepsydrus Coquillett, 1902 |
| Orthocladius coffmani Soponis, 1990 | |
| Orthocladius glacialis (Kieffer, 1926) | ⇒ Orthocladiinae glacialis Kieffer, 1922 |
| Orthocladius minutus (Zetterstedt, 1850) | ⇒ Orthocladiinae minutus Goetghebuer, 1934 |
| Orthocladius roussellae Soponis, 1990 | |
| Parachaetocladius abnobaeus Wülker, 1959 | |
| Parachaetocladius adnobaeus Wulker, 1959 | |
| Parachaetocladius hirtipectus Saether, 1969 | Alpine sweetvetch |
| Parachaetocladius imberbus Saether & Su..., 1983 | Sweetvetch |
| Paracladius alpicola Zetterstedt, 1850 | |
| Paracladius conversus Walker, 1856 | |
| Paracladius quadrinodosus Hirvenoja, 1973 | |
| Paracricotopus glaber Saether, 1980 | White sweetvetch |
| Paracricotopus millrockensis Caldwell, 1985 | |
| Paracricotopus mozleyi Steiner, 1983 | Leatherplant |
| Parakiefferiella bathophila Kieffer, 1912 | |
| Parakiefferiella bathophilus Kieffer, 1912 | |
| Parakiefferiella coronata Edwards, 1929 | |
| Parakiefferiella gracillimus Kieffer, 1924 | |
| Parakiefferiella nigra Brundin, 1949 | |
| Parakiefferiella subaterrimus Malloch, 1915 | |
| Paralimnophyes arcticus Brundin, 1956 | |
| Parametriocnemus eoclivus Saether, 1969 | Alpine sweetvetch |
| Parametriocnemus graminicola Lundbeck, 1898 | |
| Parametriocnemus hamatus Johannsen, 1934 | |
| Parametriocnemus lundbeckii Johannsen, 1905 | |
| Parametriocnemus stylatus Kieffer, 1924 | |
| Parametriocnemus vespertinus Saether, 1969 | Alpine sweetvetch |
| Paraphaenocladius brevinervis Holmgren, 1869 | |
| Paraphaenocladius debilipennis Lundbeck, 1898 | |
| Paraphaenocladius exagitans Johannsen, 1905 | |
| Paraphaenocladius impensus Walker, 1856 | |
| Paraphaenocladius irritus Walker, 1856 | |
| Paraphaenocladius nasthecus Saether, 1969 | |
| Parasmittia carinata Strenzke, 1950 | |
| Paratrichocladius nitidus Malloch, 1915 | |
| Paratrichocladius rufiventris Meigen, 1830 | |
| Paratrichocladius skirwithensis Edwards, 1929 | |
| Paratrichocladius spiesi Ashe & O´Con..., 2012 | |
| Paratrissocladius lawrencensis Cranston & O..., 1988 | |
| Parorthocladius nigritus Goetghebuer, 1938 | |
| Platysmittia bilyji Saether, 1985 | |
| Platysmittia fimbriata Saether, 1982 | |
| Plhudsonia partita Saether, 1982 | |
| Psectrocladius (Allopsectrocladius) flavus Johannsen, 1905 | |
| Psectrocladius (Allopsectrocladius) obvius Walker, 1856 | |
| Psectrocladius (Psectrocladius) barbimanus Edwards, 1929 | |
| Psectrocladius (Psectrocladius) fennicus Stor” , 1939 | Summer grape |
| Psectrocladius (Psectrocladius) limbatellus (Holmgren, 1869) | ⇒ Psectrocladius oxyura Langton, 1985 |
| Psectrocladius (Psectrocladius) octomaculatus Wülker, 1956 | |
| Psectrocladius (Psectrocladius) oxyura Langton, 1985 | Gray wall jumper |
| Psectrocladius (Psectrocladius) polaris Kieffer, 1926 | |
| Psectrocladius (Psectrocladius) psilopterus Kieffer, 1906 | |
| Psectrocladius (Psectrocladius) simulans Johannsen, 1937 | |
| Psectrocladius (Psectrocladius) sordidellus Zetterstedt, 1838 | |
| Psectrocladius (Psectrocladius) zetterstedti Brundin, 1949 | |
| Psectrocladius barbatimanus Kieffer, 1926 | |
| Psectrocladius brevicosta Kieffer, 1917 | Brewer's redmaids |
| Psectrocladius calcarata Edwards, 1929 | |
| Psectrocladius elatus Roback, 1957 | Cusp clover |
| Psectrocladius nigrus Roback, 1957 | Cusp clover |
| Psectrocladius pilosus Roback, 1957 | Cusp clover |
| Psectrocladius semicirculatus Saether, 1969 | Alpine sweetvetch |
| Psectrocladius spinifer Johannsen, 1928 | |
| Psectrocladius vernalis Malloch, 1915 | |
| Pseudorthocladius (Pseudorthocladius) curtistylus Goetghebuer, 1921 | Maiden fern |
| Pseudorthocladius (Pseudorthocladius) macrovirgatus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius (Pseudorthocladius) pilosipennis Brundin, 1956 | |
| Pseudorthocladius amplicaudus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius clavatosus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius comans (Saether & Su..., 1983) | ⇒ Pseudorthocladius wingoi Saether & Su..., 1983 |
| Pseudorthocladius curticornus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius destitutus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius dumicaudus Saether, 1969 | Alpine sweetvetch |
| Pseudorthocladius lunatus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius macrostomus Soponis, 1980 | Crucifixion thorn |
| Pseudorthocladius morsei Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius paravirgatus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius rectilobus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius tricanthus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius uniserratus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius virgatus Saether & Su..., 1983 | Sweetvetch |
| Pseudorthocladius wingoi Saether & Su..., 1983 | Sweetvetch |
| Pseudosmittia conjuncta Edwards, 1929 | |
| Pseudosmittia digitata Saether, 1981 | |
| Pseudosmittia forcipatus Goetghebuer, 1921 | |
| Pseudosmittia gracilis Goetghebuer, 1913 | |
| Pseudosmittia nanseni (Kieffer, 1926) | ⇒ Allocladius nanseni Kieffer, 1926 |
| Pseudosmittia oxoniana (Edwards, 1922) | ⇒ Hydrosmittia oxoniana Edwards, 1922 |
| Pseudosmittia setavena Saether, 1969 | Alpine sweetvetch |
| Psilometriocnemus triannulatus Saether, 1969 | Alpine sweetvetch |
| Rheocricotopus (Psilocricotopus) chapmani Edwards, 1935 | |
| Rheocricotopus (Psilocricotopus) glabricollis Meigen, 1830 | |
| Rheocricotopus (Rheocricotopus) effusus Walker, 1856 | |
| Rheocricotopus amplicristatus Saether, 1985 | |
| Rheocricotopus conflusirus Saether, 1985 | |
| Rheocricotopus effusoides Saether, 1985 | |
| Rheocricotopus eminellobus Saether, 1969 | Alpine sweetvetch |
| Rheocricotopus pauciseta Saether, 1969 | Alpine sweetvetch |
| Rheocricotopus robacki Beck & Beck, 1964 | |
| Rheocricotopus tuberculatus Caldwell, 1984 | |
| Rheocricotopus unidentatus Saether & Sc..., 1988 | |
| Saetheriella amplicristata Halvorsen, 1982 | |
| Smittia arctica Malloch, 1923 | Laysan bur cucumber |
| Smittia aterrima Meigen, 1818 | Seedling bean midge |
| Smittia crassicollis Walker, 1848 | |
| Smittia edwardsi Goetghebuer, 1932 | Clambering polypody |
| Smittia extremus Holmgren, 1869 | |
| Smittia flavibasis Malloch, 1915 | |
| Smittia fulvipluma Kieffer, 1926 | |
| Smittia lasiophthalmus Malloch, 1915 | |
| Smittia lasiops Malloch, 1915 | |
| Smittia longitibia (Goetghebuer, 1933) | ⇒ Allocladius nanseni Kieffer, 1926 |
| Smittia parvus Lundbeck, 1898 | |
| Smittia polaris Kieffer, 1926 | |
| Smittia polymorpha Andersen, 1937 | |
| Smittia pratorum Goetghebuer, 1927 | |
| Smittia roena Roback, 1957 | Cusp clover |
| Smittia subnudipennis Goetghebuer, 1933 | |
| Smittia velutinus Lundbeck, 1898 | |
| Stilocladius clinopecten Saether, 1982 | |
| Sublettiella calvata Saether, 1983 | |
| Symbiocladius chattahoocheensis Caldwell, 1984 | |
| Symbiocladius equitans Claassen, 1922 | |
| Synorthocladius semivirens Kieffer, 1909 | |
| Tavastia cristacauda Saether, 1992 | |
| Tethymyia aptena Wirth, 1949 | Trailing phlox |
| Thalassosmittia clavicornis Saunders, 1928 | |
| Thalassosmittia marinus Saunders, 1928 | |
| Thalassosmittia pacificus Saunders, 1928 | |
| Thienemannia pilinucha Saether, 1985 | |
| Thienemanniella caspersi Saether, 2003 | |
| Thienemanniella cubitus Garrett, 1925 | |
| Thienemanniella elana Roback, 1957 | Cusp clover |
| Thienemanniella majuscula Edwards, 1924 | |
| Thienemanniella mallochi Sublette, 1970 | Red maple |
| Thienemanniella similis (Malloch, 1915) | ⇒ Thienemanniella caspersi Saether, 2003 |
| Thienemanniella xena Roback, 1957 | |
| Tokunagaia excellens Brundein, 1956 | |
| Tokunagaia obriani Hayes & Murray, 1988 | |
| Tokunagaia rowensis Saether, 1969 | |
| Trichochilus lacteipennnis Johannsen, 1908 | |
| Tvetenia calvescens Edwards, 1929 | |
| Tvetenia duodenaria Kieffer, 1922 | |
| Tvetenia paucunca Saether, 1969 | |
| Tvetenia vitracies Saether, 1969 | |
| Unniella multivirga Saether, 1982 | |
| Vivacricotopus piloculus Cranston & O..., 1988 | |
| Xylotopus par Coquillett, 1901 | |
| Zalutschia briani Soponis, 1979 | |
| Zalutschia furcarca Saether, 1976 | |
| Zalutschia lingulata Saether, 1976 | |
| Zalutschia obseptus Webb, 1969 | |
| Zalutschia paratatrica Chernovskii, 1949 | |
| Zalutschia pusa Saether, 1976 | |
| Zalutschia sivertseni Aagard, 1979 | |
| Zalutschia tatrica Pagast, 1935 | |
| Zalutschia trigonacies Saether, 1976 | |
| Zalutschia vockerothi Saether, 1976 | |
| Zalutschia xethis Roback, 1957 | |
| Zalutschia zalutschicola Lipina, 1939 | Bristly-stemmed checkerbloom |
