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Species Page - Arctopsyche
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scientific name    Arctopsyche    

common name     Great Gray Spotted Sedge

Clear, cold streams/rivers on gravel/boulder bottoms. Mountain/foothill, boreal forest streams.

Adults are flying in late May to mid-August.

Adult eyes are glaborous. The third article of the maxillary palp is twice as long as wide. Spur formula 2, 4, 4. There are two species of Arctopsyche, in Canada: A. grandis and A. ladogensis, both can be found in Alberta (Nimmo, 1987).

life history
The silk retreats of the larvae are the largest known in Arctopyschidae and Hydropsychidae (Wiggins, 1996).

diet info
The larvae are filter feeders and may possible ingest animal matter as well.

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