Osca Skipper
Rhinthon osca (Plötz, 1882)
Family: Hesperiidae
Subfamily: Hesperiinae
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.
Wing Span: 1 3/8 - 1 5/8 inches (3.5 - 4.2 cm).
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.
Conservation: Not required 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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Verified Sightings
Displaying 1 - 4 of 4 verified sightings
Observation date: Oct 04, 2010
Submitted by: Doug Taron
Region: Veracruz-Llave, Mexico
Verified by: Doug Taron
Verified date: Jan 23, 2013
Observation date: Oct 15, 1996
Submitted by: legacy.reporter (North American Butterfly Association (NABA) of South Texas))
Region: Texas, Victoria County, United States
Verified by: legacy.verifier (North American Butterfly Association (NABA) of South Texas))
Verified date: Jan 29, 2007
Observation date: unknown
Submitted by: legacy.reporter
Region: Tamaulipas, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Hidalgo County, Texas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004