Cyclicity
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Adults can be found from June to September (Schmid, 1982).
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Distribution
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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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General Description
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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).
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Habitat
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Rapid running waters.
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Life Cycle
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Annual ?
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Trophic Strategy
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Larvae are filterers, feeding on detritus and algae.
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