Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Common Streaky-Skipper
Celotes nessus (W.H. Edwards, 1877)


Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is orange-brown to dark brown; each wing has black streaks on the outer half and an irregular median band of small transparent spots. Fringes are checkered.
Wing Span: 7/8 - 1 3/16 inches (2.2 - 3 cm).
Life History: To find receptive females, males patrol close to the ground in low spots. Caterpillars eat leaves; fully-grown caterpillars hibernate.
Flight: Several broods from March-November in Texas.
Caterpillar Hosts: Several mallows including globemallows (Sphaeralcea) and violet sida (Sida filipes).
Adult Food: Flower nectar.
Habitat: Open thorn forests and scrub, washes, gulches, flower gardens.
Range: Southern Arizona, southern New Mexico, and west Texas south to northern Mexico. A rare stray to southern Oklahoma and northern Louisiana.
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