Distribution
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Range from Manitoba westward, and south to Colorado (Wiggins, 1996).
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General Description
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The ventral lobe of the male clasper is large and has a small, clavate basal process. The dorsal lobe of the clasper is long, slender, acuminate and recurved.
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Habitat
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Aquatic plant beds and root mats of riparian plants in standing and small streams (Wiggins, 1996).
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Trophic Strategy
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Larvae are phytophagous.
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