North American Ecology (US and Canada)
provided by North American Butterfly Knowledge Network
Resident in three separate ranges in northern North America (Scott 1986). Habitats are FOREST CLEARINGS/TUNDRA. Host plants are usually herbaceous with most hosts largely restricted to a few species in one family, ERICACEAE. Individuals overwinter as X. There is one flight each year with the approximate flight time JUL1-AUG15 in the northern part of the range and JUL15-AUG31 in the southern part of their range (Scott 1986).
Conservation Status
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Not of concern.
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Cyclicity
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One brood annually, with the peak flight between mid July and early August.
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Distribution
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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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General Description
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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.
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Habitat
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Moist meadows and open woods in the subalpine and alpine zone.
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Life Cycle
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The immature stages are undescribed.
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Trophic Strategy
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The larva feeds on blueberry (Vaccinium) and wintergreen (Gaultheria humifusa) (Guppy & Shepard 2001). There are no published accounts of adult nectar sources.
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Colias pelidne
provided by wikipedia EN
Colias pelidne, the pelidne sulphur or blueberry sulphur, is a butterfly in the family Pieridae found in North America. Its range includes British Columbia across Canada as far east as Newfoundland and south to Idaho, Montana, and Wyoming.[1]
Flight period is from late June until early August.[1] It inhabits tundra and mountains at altitudes of 6,000–11,500 feet (1,800–3,500 m).[2]
Wingspan is from 33 to 44 mm.[1]
Larvae feed on Vaccinium spp. and Gaultheria humifusa.[1][3] Adults feed on flower nectar.[2]
Subspecies
Listed alphabetically.[3]
- C. c. pelidne
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C. p. skinneri Barnes, 1897
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C. p. minisni Bean, 1895 forma? accepted as a species by Josef Grieshuber & Gerardo Lamas [4]
References
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Colias pelidne: Brief Summary
provided by wikipedia EN
Colias pelidne, the pelidne sulphur or blueberry sulphur, is a butterfly in the family Pieridae found in North America. Its range includes British Columbia across Canada as far east as Newfoundland and south to Idaho, Montana, and Wyoming.
Flight period is from late June until early August. It inhabits tundra and mountains at altitudes of 6,000–11,500 feet (1,800–3,500 m).
Wingspan is from 33 to 44 mm.
Larvae feed on Vaccinium spp. and Gaultheria humifusa. Adults feed on flower nectar.
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