Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Edwards' Skipperling
Oarisma edwardsii (Barnes, 1897)


Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Fringes are white-tipped. Upperside is brownish orange; forewing cell is brighter. Underside of forewing is brownish orange with black at the lower margin. Underside of hindwing is yellowish with orange on the lower margin.
Wing Span: 7/8 - 1 1/8 inches (2.2 - 2.9 cm).
Life History: To find receptive females, males patrol the habitat with rapid flight.
Flight: One brood in the Rocky Mountains from June-August; multiple broods in west Texas from April-September.
Caterpillar Hosts: Possibly sedges (Cyperaceae) or grasses (Poaceae).
Adult Food: Nectar from flowers including thistle (Cirsium species).
Habitat: Chaparral, open woodland, grasslands, meadows.
Range: Utah, Colorado, Arizona, New Mexico, and west Texas south to Puebla, Mexico.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL