Described as
Chironomus nugax Walker, 1856a: p. 186
Synonymy
Tanypus curvinervis Kieffer, 1918a: p. 168; Kieffer, 1919a: p. 146
Tanytarsus rectinervis Kieffer, 1918a: p. 169; Kieffer, 1919a: p. 145
Tanypus subtenuis Kieffer, 1918a: p. 177; Kieffer, 1919a: p. 150
Tanypus flavipubens Goetghebuer, 1921a: p. 64
Natarsia pe1 Langton, 1984a