Entomology Collection TitleImage Bugs Pinned
Species Page - Arctopsyche grandis
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scientific name    Arctopsyche grandis    

habitat
All mountain or foothill streams/rivers.

seasonality
Adults fly between late May to late August.

identification
Adult antennae are brown-cream, with the vertex of the head and thorax dark-brown. The legs are brownish-yellow with brown spurs. The dorso-posterior edge of segment 9 on the adult male, is developed into a pair of long uniform processes with ventrally directed acuminate tips (longer than the cerci). The claspers are a complex of lobes and teeth (Nimmo, 1987).

life history
Larvae exhibit a two-year lifecycle.

conservation
Common.

diet info
Larvae are predacious in the summer months and phytophagous at other times.

range
North in the Yukon and Northwest Territories, south to California and New Mexico. This species is restircted to the Cordillera west of the Great Plains, except one Quebec record.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=1088



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References (1)
Specimen Info
There are 53 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (53)

 

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