Gervais, 1838
Type species Nais serpentina Müller, 1774.
Number of species 1. In NWE, one species:
Ophidonais serpentina (Müller, 1774)
Description
Naididae with single stick-shaped chaetae in dorsal bundles usually beginning from VI. In mature individuals, male pores in VI. Eyes present.
Distribution
Holarctic; known also from Japan and South America.
Ecology
In freshwater, particularly on water plants.
Reproduction
Mostly asexual, by paratomy (budding). Mature individuals and sexual reproduction rare or seasonal.
Literature
Gervais, 1838: 19; Sperber, 1948: 99-100; Brinkhurst and Jamieson, 1971: 326-327; Chekanovskaya, 1981: 244-245; Hrabe, 1981: 37-38; Kasprzak, 1981: 133-134.