Conservation Status
provided by University of Alberta Museums
Relatively common.
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Cyclicity
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Adults fly from late August to mid-October.
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Distribution
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From Alaska, south to California and Colorado. In Alberta, this species is found in the high foothills and mountains (Nimmo, 1971).
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General Description
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Adult antennae are dark brown with yellow scapes. The vertex of the head is dark brown antero-mesally, with the remainder of the head and warts, yellow. Dorso-posterior edge of segment 9 in males is developed as a short ventral lobe with a large, broad process curving downward. The posterior edge of tergum 8 has a median process and a pair of lateral 'wings' (Nimmo, 1971).
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Habitat
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Varies from swift, bouldery streams to smaller, shallower, pebbly creeks.
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Trophic Strategy
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Larvae are phytophagous, feeding on algae, fresh aquatic plant leaves and mosses (LaFontaine, 1983).
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Rhyacophila verrula
(
Dutch; Flemish
)
provided by wikipedia NL
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Rhyacophila verrula
(
Vietnamese
)
provided by wikipedia VI
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Rhyacophila verrula: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Rhyacophila verrula là một loài Trichoptera trong họ Rhyacophilidae. Chúng phân bố ở miền Tân bắc.
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