Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Jutta Arctic
Oeneis jutta (Hübner, [1806])

Family: Nymphalidae
Subfamily: Satyrinae
Identification: Upperside is gray-brown. Both wings have a broken yellow-orange submarginal band surrounding 2-4 black spots. Underside of hindwing is mottled brown and gray with an obscure median band.
Wing Span: 1 7/8 - 2 5/16 inches (4.8 - 6 cm).
Life History: Males perch on logs and vegetation, and occasionally patrol, to find females. Eggs are scattered near the host plants. In some areas, 2 years are required to complete development; young caterpillars hibernate the first winter, older caterpillars the second.
Flight: One brood from mid-July to early August.
Caterpillar Hosts: Sedges, including cottongrass.
Adult Food: Flower nectar.
Habitat: Wet tundra, spruce bogs, lodgepole pine forest.
Range: Holarctic. In North American subarctic habitats from Alaska east across Canada and the northern Great Lakes to Maine. Isolated populations south in the Rocky Mountains to Colorado.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
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