Oeneis uhleri
(Reakirt, 1866)
Uhler's Arctic
Oeneis uhleri, commonly known as Uhler's , is a in the . It is a member of the 'Arctic' group of butterflies, named for their association with high-elevation and northern . The species exhibits a with fourth- . Larvae feed on specific grass including Festuca, Koeleria, and Poa. The species is distributed across western North America from Alaska to northern New Mexico, with multiple recognized occupying distinct geographic ranges.
Pronunciation
How to pronounce Oeneis uhleri: /ˈiːnɪs ˈjuːləriː/
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Images
Habitat
Slopes in dry, open bunch grass areas, tundra, and openings in pine forests. Associated with high mountain areas and northern latitudes.
Distribution
North America: north-eastern Alaska, Yukon, western Northwest Territories, central Alberta south through the Rocky Mountains to northern New Mexico, and east through the Canadian prairie provinces to western Minnesota.
Seasonality
active in summer. Fourth- overwinter and emerge in spring.
Diet
feed on various grasses and sedges, specifically including Festuca, Koeleria, and Poa .
Host Associations
- Festuca - larval grass
- Koeleria - larval grass
- Poa - larval grass
Life Cycle
Fourth- overwinter and emerge in spring. (one per year).
More Details
Subspecies
Six are recognized with distinct geographic distributions: O. u. uhleri (Colorado: eastern slope), O. u. cairnesi (Yukon, north-western Northwest Territories, north-eastern Alaska), O. u. nahanni (Northwest Territories: Mackenzie Mountains), O. u. reinthali (Colorado: western slope), and O. u. varuna (British Columbia, Alberta, Saskatchewan, Manitoba, Montana, North Dakota, South Dakota, Nebraska, western Minnesota).