North American Ecology (US and Canada)
provided by North American Butterfly Knowledge Network
Resident in northern North America (Scott 1986). Habitats are SHRUBBY FOREST OPENINGS. Host plants are usually herbaceous with hosts largely restricted to one genus, VACCINIUM (ERICACEAE). There is one flight each year with the approximate flight time JUN15-AUG15 depending on latitude (Scott 1986).
Conservation Status
provided by University of Alberta Museums
Not of concern.
- license
- cc-by-nc
- copyright
- University of Alberta Museums
Cyclicity
provided by University of Alberta Museums
One flight annually, peaking in early July to early August.
- license
- cc-by-nc
- copyright
- University of Alberta Museums
Distribution
provided by University of Alberta Museums
The Pink-edged Sulphur is a typical boreal species, occuring from the eastern seaboard west to BC south to Oregon and Montana. In the eastern US, it is found only in the northermost states (Opler 1999).
- license
- cc-by-nc
- copyright
- University of Alberta Museums
General Description
provided by University of Alberta Museums
Can be confused with small specimens of the Giant Sulphur (C. gigantea), but interior has a smaller underside discal spot, and the overall shape of the forewings is more rounded than pointy. In the mountains where the Pink-edged occurs together with the Pelidne, the pink wing fringe of interior is more pronounced, and the under- and upper side is not strongly suffused with black scales as in Pelidne.
- license
- cc-by-nc
- copyright
- University of Alberta Museums
Habitat
provided by University of Alberta Museums
Open woodlands (particularly pine) with a blueberry understory.
- license
- cc-by-nc
- copyright
- University of Alberta Museums
Life Cycle
provided by University of Alberta Museums
Immature stages of the western populations are not known, but in the east, eggs turn orange (greenish yellow) soon after being laid. Mature larvae are dark yellowish-green with a dark dorsal stripe and a white and red lateral stripe (Guppy & Shepard 2001). Larvae hibernate.
- license
- cc-by-nc
- copyright
- University of Alberta Museums
Trophic Strategy
provided by University of Alberta Museums
The larva feeds on blueberry (Vaccinium spp.) (Layberry et al. 1998), but it has not been reared in Alberta.
- license
- cc-by-nc
- copyright
- University of Alberta Museums
Colias interior
provided by wikipedia EN
Colias interior, the pink-edged sulphur, is a species of North American butterfly in the family Pieridae.
Description
The wingspan for this butterfly is 39 to 66 mm.
Distribution
See range map.
Life cycle
There is one flight between June and August. The adult female lays eggs on blueberry plants.
Larval foods
Adult foods
References
- license
- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
Colias interior: Brief Summary
provided by wikipedia EN
Colias interior, the pink-edged sulphur, is a species of North American butterfly in the family Pieridae.
- license
- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
