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Species Page - Colias pelidne
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scientific name    Colias pelidne    

common name     Pelidne Sulphur

Moist meadows and open woods in the subalpine and alpine zone.

One brood annually, with the peak flight between mid July and early August.

The Pelidne Sulphur is most likely to be confused with the Pink-edged Sulphur (C. interior). In Pelidne, the pink wing fringe is less pronounced, and the underside is darker overall. The upperside shows a more pronounced dark scaling of the wing bases, smeared towards the wing margin. The Alberta subspecies is minisni.

life history
The immature stages are undescribed.

Not of concern.

diet info
The larva feeds on blueberry (Vaccinium) and wintergreen (Gaultheria humifusa) (Guppy & Shepard 2001). There are no published accounts of adult nectar sources.

There are three widely disjunct populations of the Pelidne Sulphur, one ranging from eastern Alaska to the Great Bear Lake region of NWT, another in Labrador and northern Quebec, and the third ranging from Horn Ridge (near Grande Cache) south to Wyoming along the Rockies (Layberry et al. 1998, Opler 1999).

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References (4)
Specimen Info
There are 2 specimens of this species in the online database
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Specimen List (2)


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