Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Tanna Longtail
Urbanus tanna Evans, 1952

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Tails are long; body and wings are brown. Forewing of both sexes has a thin transparent median band; male also has 5 transparent spots at the costal margin. Male has no costal fold.
Wing Span: 1 5/16 - 1 1/2 inches (3.3 - 3.8 cm).
Life History: Not reported.
Flight: June-December in Mexico; June in South Texas.
Caterpillar Hosts: Not reported.
Adult Food: Probably flower nectar.
Habitat: Subtropical.
Range: Ecuador and French Guiana north through Central America to Mexico. A rare stray to the lower Rio Grande Valley, Texas.
Conservation: Not necessary 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