Tanna Longtail (Urbanus tanna Evans)
Wing span: 1 5/16 - 1 1/2 inches (3.3 - 3.8 cm).
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.
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.
