Conservation Status
fornì da University of Alberta Museums
No obvious concerns.
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- cc-by-nc
- drit d'autor
- University of Alberta Museums
Cyclicity
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Late June to mid August, possibly double-brooded.
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- cc-by-nc
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- University of Alberta Museums
Distribution
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Southern BC, Alberta, and Saskatchewan south to TX, AZ and CA (Ferguson 1985).
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- cc-by-nc
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- University of Alberta Museums
General Description
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A small to mid sized geometrid with a bright green forewing, crossed by two white lines The hindwing is green only beyond the PM line, and white basally; all other emeralds (Nemoria, Synchlora, Mesothea) have green rather than white hindwing bases.
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- cc-by-nc
- drit d'autor
- University of Alberta Museums
Habitat
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Prairie grasslands.
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- cc-by-nc
- drit d'autor
- University of Alberta Museums
Life Cycle
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This species is most closely related to Synchlora among the emeralds, and shares the larval behaviour of attaching flower bits to itself for disguise. The larvae hibernate (Ferguson 1985).
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- cc-by-nc
- drit d'autor
- University of Alberta Museums
Trophic Strategy
fornì da University of Alberta Museums
Larvae feed on the flowers of Solidago, Helianthus and Rosa (Ferguson 1985).
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- cc-by-nc
- drit d'autor
- University of Alberta Museums
