Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Fawn-spotted Skipper
Cymaenes trebius (Mabille, 1891)


Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Wings are dark brown. Upperside of forewing has very small transparent white spots. Underside of hindwing has 2 irregular pale bands, the innermost touching the wing's leading edge.
Wing Span: 13/16 - 1 3/16 inches (2.1 - 3.1 cm).
Life History: During the day, this skipper can be found in the shade; it also flies at dusk.
Flight: June-November in South Texas, April-January in Mexico and Central America.
Caterpillar Hosts: Paspalum grass.
Adult Food: Flower nectar.
Habitat: Subtropical shady woods.
Range: Argentina north through Central America to northern Mexico. A rare stray to South Texas.
Conservation: Not required for a rare stray.
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