Conservation Status
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Common.
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Cyclicity
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Adults fly from mid-July to late September.
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Distribution
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Alaska, south to Montana and Oregon. In Alberta, this species is largely confined to the foothills, with one record in Swan Hills as well (Nimmo, 1977).
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General Description
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Adult antennae are deep yellow-brown with pale annular sutures. The vertex of the head is dark brown anteriorly, paling posteriorly. Segment 9 in males, dorsal-posterior edge is not developed posterad. The basal article of the clasper is deeply indented on the ventral edge (Nimmo, 1977).
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Habitat
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Smaller, gravel or small boulder hill creeks.
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Life Cycle
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This species can tolerate warmer and siltier habitats than other members from Rhyacophila, commonly found in the lower reaches of costal creeks and rivers in the United States (LaFontaine, 1983).
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Trophic Strategy
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Larvae are probably predacious.
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Rhyacophila vao
(
Dutch; Flemish
)
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Rhyacophila vao
(
Vietnamese
)
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Rhyacophila vao: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Rhyacophila vao là một loài Trichoptera trong họ Rhyacophilidae. Chúng phân bố ở miền Tân bắc.
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