Genus: Body long, rear usually pointed (Illustrated Guide, 1985).
Elogate; snout or neck-like prolongation (proboscis) conspicuous; contractile vacuoles two or more (Kudo, 1966).
Contractile vacuoles usually lie in a row along the dorsal surface (Carey, 1992).
Species:
Similar Genus ->>Trachelius;
Paradileptus;
Dileptus amphileptoides ?,
cell body about 420 μm long, 50 μm wide,
very long proboscis (more than half of the body length), a row of contractile vacuoles on dorsal surface,
x 400, x 640, Tane-ike (pond), Togakushi highland, Shinano town, Nagano Pref., Japan, May 21, 2006 by Y. Tsukii 200 μm
400 μm
600 μm; x 100 :
100 μm
200 μm
300 μm; x 200
Images of collecting locality:
Tane-ike (pond), Togakushi highland, Shinano town, Nagano Pref., Japan, May 21, 2006 by Y. Tsukii