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Species Page - Oeneis uhleri
Oeneis uhleri ->species page

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scientific name    Oeneis uhleri    

common name     Uhler's Arctic

Dry montane and prairie grasslands; rare in pine woods of the southern boreal region.

One yearly flight, peaking in late May to mid June.

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).

life history
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.

Not of concern.

diet info
The larval foodplants are unknown, but may include species of fescue, junegrass and bluegrass (Festuca, Koeleria, and Poa) (Scott 1992).

Yukon and NWT south to New Mexico, east to southwestern Manitoba (Scott 1986).

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Related Species Info
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References (4)
Specimen Info
There are 12 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (12)


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