Pronus Longtail (Urbanus pronus Evans)
Wing span: 1 5/16 - 1 3/4 inches (3.4 - 4.4 cm).
Identification: Tails are short. Upperside is dark blackish brown; body and wing bases are iridescent green; iridescence on hindwing ends abruptly before outer margin. Male does not have a costal fold. Dark row on hindwing underside consists of separate spots.
Life history: Not reported.
Flight: April-September in Mexico; October in South Texas.
Caterpillar hosts: Not reported.
Adult food: Flower nectar.
Habitat: Subtropical.
Range: Brazil and Paraguay north through Central America to Mexico. A rare stray to the lower Rio Grande Valley, Texas.
