Hydroptilidae Stephens, 1836
Metrichia aberrans (Flint, 1972)
Metrichia adamsae Flint & Bueno-Soria, 1998
Metrichia anisoscola (Flint, 1991)
Metrichia araguensis (Flint, 1981)
Metrichia arenifera (Flint in Roback, Berner, Flint, Jr, Nieser & Spangler, 1980)
Metrichia argentinica Schmid, 1958
Metrichia arizonensis (Flint, 1972)
Metrichia avon (Bueno-Soria, 1983)
Metrichia bidentata (Flint, 1983)
Metrichia biungulata (Flint, 1972)
Metrichia bola (Flint, 1991)
Metrichia bulbosa (Jacquemart, 1963)
Metrichia cafetalera Botosaneanu, 1980
Metrichia campana (Flint, 1968)
Metrichia carbetina (Botosaneanu, 1994)
Metrichia ceer (Flint, 1992)
Metrichia continentalis (Flint, 1972)
Metrichia cuenca (Harper & Turcotte, 1985)
Metrichia cuspidata (Flint, 1991)
Metrichia dietzi (Flint, 1974)
Metrichia diosa Flint & Bueno-Soria, 1998
Metrichia disparilis (Flint, 1983)
Metrichia espera Botosaneanu, 1977
Metrichia excisa (Kumanski, 1987)
Metrichia exclamationis (Flint, 1968)
Metrichia favus (Botosaneanu in Botosaneanu & Alkins-Koo, 1993)
Metrichia fontismoreaui (Botosaneanu, 1991)
Metrichia geminata (Flint, 1996)
Metrichia helenae Flint & Bueno-Soria, 1998
Metrichia juana (Flint, 1964)
Metrichia kumanskii (Botosaneanu, 1991)
Metrichia lacuna (Bueno-Soria, 1983)
Metrichia lemniscata (Flint, 1972)
Metrichia lenophora (Flint, 1991)
Metrichia macrophallata (Flint, 1991)
Metrichia madicola (Botosaneanu, 1994)
Metrichia madre Flint & Bueno-Soria, 1998
Metrichia malada (Flint, 1991)
Metrichia munieca Botosaneanu, 1977
Metrichia neotropicalis Schmid, 1958
Metrichia nigritta (Banks, 1907)
Metrichia pakitza Flint & Bueno-Soria, 1998
Metrichia patagonica (Flint, 1983)
Metrichia penicillata (Flint, 1972)
Metrichia platigona (Botosaneanu in Botosaneanu & Alkins-Koo, 1993)
Metrichia protrudens (Flint, 1991)
Metrichia quadrata (Flint, 1972)
Metrichia rawlinsi (Flint & Sykora, 1993)
Metrichia riva (Bueno-Soria, 1983)
Metrichia rona (Flint, 1991)
Metrichia sacculifera (Flint, 1991)
Metrichia similis (Flint, 1968)
Metrichia squamigera (Flint, 1992)
Metrichia thirysae (Jacquemart, 1980)
Metrichia trigonella (Flint, 1972)
Metrichia trispinosa (Bueno-Soria, 1979)
Metrichia warema (Flint, 1974)
Metrichia yalla (Flint, 1968)