Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Pronus Longtail
Urbanus pronus Evans, 1952

Family: Hesperiidae
Subfamily: Pyrginae
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.
Wing Span: 1 5/16 - 1 3/4 inches (3.4 - 4.4 cm).
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.
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
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