Conservation Status
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It is a local and an uncommon species.
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Cyclicity
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June to July, peaking in early to mid July.
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Distribution
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Alaska to Quebec, south to Calgary, Alberta along the Rocky Mountain foothills. Also occurs in Eurasia.
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General Description
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Superficially resembles a geometrid, but note the "smudged" appearance, and lack of any sharply defined markings on the forewing.
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Habitat
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Found only in black spruce bogs.
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Life Cycle
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Crepuscular, but is also attracted to ultraviolet and mercury vapour lights.
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