Osca Skipper (Rhinthon cubana osca [Plötz])
Wing span: 1 3/8 - 1 5/8 inches (3.5 - 4.2 cm).
Identification: Top surface of head and thorax are greenish. Upperside of wings is dark brown; forewing is pointed and has large white spots. Underside of hindwing is brown with several small white submarginal spots and a small white discal spot.
Life history: Not reported.
Flight: October in South Texas, May-January in Mexico.
Caterpillar hosts: Not reported.
Adult food: Flower nectar.
Habitat: Subtropical forests.
Range: Ecuador north through Central America to northern Mexico and the West Indies. A periodic stray to the lower Rio Grande Valley, Texas.
