North American Ecology (US and Canada)
provided by North American Butterfly Knowledge Network
Chlosyne pallais resident to the northwestern United States and southwestern Canada, with an isolated population in northern Alberta (Scott 1986). Habitats are coastal chaparral and open woodland, and transition to Canadian zone moist wooded areas and clearings. Host plants are herbs and shrubs, with known hosts restricted to one family, Compositae. Eggs are laid on the host plant in clusters. Individuals overwinter as half grown larvae. There are is one flight each year with approximate flight time late Apr. ? June 15 in the southern part of their range, and June15-July 15 in high altitude, northern and inland parts of the range (Scott 1986).
Behavior
provided by North American Butterfly Knowledge Network
Adults feed on flower nectar, esp. from yellow flowers. Males both perch and patrol for females (Scott, 1986).
Conservation Status
provided by University of Alberta Museums
The Peace River population is endemic and distinct from mountain populations.
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Cyclicity
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One yearly flight, peak activity between late June and late July.
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Distribution
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Central BC and southern Alberta south to Colorado and California (Scott 1986). There is a disjunct population in the Peace River grasslands of Alberta / BC (Layberry et al. 1998).
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General Description
provided by University of Alberta Museums
"The upperside exhibits the typical checkerspot pattern of orange and brown-black, with a checkered orange-red and cream underside. Superficially similar to the
Euphydryas checkerspots, but distinguished by the absence of cream-white spots on the upperside. More difficult to separate from the Rockslide Checkerspot (
C. damoetas), which has a slightly duller, dingier look to it, with fewer dark markings on the forewing top.
Damoetas is found only above treeline in rockslides and boulder fields, Northern Checkerspots rarely wander up this high.
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Habitat
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Mountain meadows and Peace River grasslands.
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Life Cycle
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No data available for western Canada. The pale green eggs are laid in clusters on the hostplant. Larvae are white-spotted and black, with dorsal and lateral orange dashes and black spines. Partially grown larvae overwinter (Scott 1986)
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Trophic Strategy
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Larval hosts are unknown in Alberta. In BC, larvae feed asters (Guppy & Shepard 2001) and other composites are used in the US (Scott 1986).
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Chlosyne palla
provided by wikipedia EN
Chlosyne palla, the northern checkerspot, is a butterfly of the family Nymphalidae that is found in North America. They range from southern British Columbia to Alberta, south to California, Utah, and Colorado, excluding Nevada.[1][2]
Description
The adult may be often confused with the others of the palla group, sagebrush checkerspot (C. acastus) and Hoffmann's checkerspot (C. hoffmanni).[3] The adult's wingspan is 30–48 mm (1.2–1.9 in).[1][3] The upperside of the wing has a pattern of dark brown, light orange and tan. The underside of the wing has alternating red and yellow cells.[3]
Life cycle
There is one flight that occurs between April and May or to July in mountainous or northerly areas.[1] The caterpillar of this species feeds on goldenrod (Solidago), rabbitbrush (Chrysothamnus), and asters.[1]
References
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Chlosyne palla: Brief Summary
provided by wikipedia EN
Chlosyne palla, the northern checkerspot, is a butterfly of the family Nymphalidae that is found in North America. They range from southern British Columbia to Alberta, south to California, Utah, and Colorado, excluding Nevada.
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