Sperber, 1939
Type species Nais blanci Piguet, 1906a
Number of species 4. In NWE, one species:
Piguetiella blanci (Piguet, 1906a)
Description
Naidids with small or lacking hair chaetae, besides crotchets in dorsal bundles beginning from VI. Spermathecal chaetae in V (not known in the other Naidini).
Distribution
Holarctic, China.
Ecology
In freshwater.
Reproduction
Mostly asexual, by paratomy (budding). Mature individuals and sexual reproduction rare or seasonal.
Literature
Sperber, 1939: 1-3; Sperber, 1948: 151; Brinkhurst and Jamieson, 1971: 354; Chekanovskaya, 1981: 239-240; Hrabe, 1981: 54; Kasprzak, 1981: 130.