Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Desert Cloudywing
Achalarus casica (Herrich-Schäffer, 1869)

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is dark brown; forewing has scattered, small, transparent white spots. Underside of hindwing is black-brown with 2 dark bands and a mottled white marginal band. Hindwing fringes are checkered.
Wing Span: 1 1/2 - 2 inches (3.8 - 5.1 cm).
Life History: Not reported.
Flight: Several flights from April-October in Texas and Mexico.
Caterpillar Hosts: Not reported.
Adult Food: Flower nectar.
Habitat: Pinyon-juniper woodland, desert grassland, canyons, streamsides, river bottoms, washes.
Range: Guatemala north to northern Mexico. Strays north to west Texas, southwest New Mexico, and southeastern Arizona.
Conservation: Not necessary for a periodic stray.
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
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