North American Ecology (US and Canada)
provided by North American Butterfly Knowledge Network
Oeneis uhleri is resident in Alaska, the Yukon and Northwest Territories of Canada, and across the central Canada/U.S. boarder to as far south as New Mexico (Scott 1986). Habitats are transition to Hudsonian zone dry bunchgrass. Host plants are unknown, probably grass. Eggs are laid on grasses and sedges singly. This species is probably biennial (at least in Alberta); individuals overwinter as second, third fourth or fifth instar larvae. There is one flight each year with the approximate flight time late May ? early July (Scott 1986). Some sources consider Oeneis uhleri a subspecies of Oeneis bore.
Behavior
provided by North American Butterfly Knowledge Network
Adults sip mud. Males both perch and patrol for females (Scott, 1986).
Conservation Status
provided by University of Alberta Museums
Not of concern.
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Cyclicity
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One yearly flight, peaking in late May to mid June.
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Distribution
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Yukon and NWT south to New Mexico, east to southwestern Manitoba (Scott 1986).
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General Description
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"Upperside dull ochre with a variable number of black eyespots. Underside striated black and white, median band generally not discernible. Very similar to but slightly larger than O. alberta, with a less well-defined median band, more rounded forewing shape, and more rusty upperside. O. alberta also has the ventral hindwing veins outlined in white.
Subspecies varuna is found throughout most of Alberta. The Peace River grassland populations may be an unnamed subspecies (Bird et al. 1995).
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Habitat
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Dry montane and prairie grasslands; rare in pine woods of the southern boreal region.
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Life Cycle
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May be biennial in northwestern Canada, where it is more common in odd-numbered years (Scott 1986, Layberry et al. 1998). Larvae pupate under the soil, much like Riding's Satyr (Scott 1986). Males sometimes exhibit a stationary, hovering flight, possibly to locate females on the ground (Layberry et al. 1998). Uhler's Arctic can be extremely abundant in the sandhill parkland of east-central Alberta, possibly because the habit of pupating underground is facilitated by loose, sandy soil.
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Trophic Strategy
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The larval foodplants are unknown, but may include species of fescue, junegrass and bluegrass (Festuca, Koeleria, and Poa) (Scott 1992).
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Oeneis uhleri
provided by wikipedia EN
Oeneis uhleri, or Uhler's Arctic, is a species of butterfly in the family Nymphalidae.
The larvae feed on various grasses and sedges, including Festuca, Koeleria and Poa species.[2] Fourth-instar larvae overwinter and emerge in spring.
Subspecies
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Oeneis uhleri uhleri (Colorado: eastern slope)
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Oeneis uhleri cairnesi Gibson, 1920 (Yukon, north-western Northwest Territories, north-eastern Alaska)
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Oeneis uhleri nahanni Dyar, 1904 (Northwest Territories: Mackenzie Mountains)
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Oeneis uhleri reinthali Brown, 1953 (Colorado: western slope)
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Oeneis uhleri varuna (Edwards, 1882) (British Columbia, Alberta, Saskatchewan, Manitoba, Montana, North Dakota, South Dakota, Nebraska, western Minnesota)
References
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Oeneis uhleri: Brief Summary
provided by wikipedia EN
Oeneis uhleri, or Uhler's Arctic, is a species of butterfly in the family Nymphalidae.
The larvae feed on various grasses and sedges, including Festuca, Koeleria and Poa species. Fourth-instar larvae overwinter and emerge in spring.
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