Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

White-crescent Longtail
Codatractus alcaeus (Hewitson, 1867)

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Tailed. Upperside is dark brown; forewing has median band of gold spots. Underside of hindwing is brown with 3 incomplete bands of dark spots and a white patch at the lower part of the wing.
Wing Span: 1 5/8 - 2 1/4 inches (4.2 - 5.7 cm).
Life History: Caterpillars live in leaf shelters and feed on leaves.
Flight: Many flights from April-October in Mexico; June and October in South Texas.
Caterpillar Hosts: Tree legumes Amerimnon and Ichthyomethia.
Adult Food: Flower nectar.
Habitat: Tropical woodlands.
Range: Panama north through Mexico. A rare stray to west Texas and the lower Rio Grande Valley of South Texas.
Conservation: Not necessary for a rare stray.
NCGR: GU - Unable to assign rank due to lack of available information.
Management Needs: None reported.
Comments: NULL
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