Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Oreas Comma
Polygonia oreas (W.H. Edwards, 1869)


Family: Nymphalidae
Subfamily: Nymphalinae
Identification: Upperside is red-brown with dark, distinct borders and yellow, chevron-shaped submarginal spots. Underside is blackish-gray; silver mark at center of hindwing is L-shaped.
Wing Span: 1 5/8 - 1 7/8 inches (4.2 - 4.8 cm).
Life History: Males perch on shrubs in valley bottoms during the afternoons to wait for females. Eggs are laid singly under host plant leaves; caterpillars eat leaves and rest under them or on stems. Adults hibernate.
Flight: Overwintered adults emerge in May, mate, and lay eggs of the next generation, which flies from June-October.
Caterpillar Hosts: Gooseberries (Ribes species); perhaps others.
Adult Food: Tree sap, rotting fruit, rarely flower nectar.
Habitat: Coastal canyons, streamsides, redwood forests.
Range: British Columbia south through eastern Washington and eastern Oregon and along the Pacific Slope to central California; southeast through the northern Rockies to southern Wyoming, Colorado, and Utah.
Conservation: Not thought to be of concern.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL

Pollinator Week was June 20-26, 2022!

Butterflies and moths are accidental pollinators of many flowering plants. While most species do not have special structures to carry pollen, they do brush against pollen and transfer it to other flowers.

Did you know? The Eastern Tailed-Blue (Cupido comyntas) flies close to the ground and uses its short proboscis to probe flowers of wild strawberry, white sweet clover, and other low-lying plants.