|scientific name Chimarra socia |
Rapid running waters.
Adults can be found from June to September (Schmid, 1982).
Adults are black with dark yellow legs. The male clasper is set high on segment 9's posterior edge. Dorsal process is directed dorsad, slightly widening distad and cut square (Ross, 1944).
Larvae are filterers, feeding on detritus and algae.
Northeastern British Columbia, east to Quebec and New Brunswick, south to Florida. Not yet recorded in Alberta, but is expected in the northern part of the province.
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