Ganyra josephina

Ganyra josephina, the giant white, is a butterfly in the family Pieridae.

Subspecies
The following subspecies are recognized: The former subspecies Ganyra josephina menciae, the Cuban white, has been separated as its own species, Ganyra menciae.
 * G. j. josephina - nominate subspecies (Hispaniola; Dominican Republic, Haiti)
 * G. j. josepha (Salvin & Godman, 1868) (southern Texas, Mexico, Guatemala, Honduras, Nicaragua)
 * G. j. krugii (Dewitz, 1877) (Puerto Rico, Mona Island)
 * G. j. janeta (Dixey, 1915) (Venezuela, Trinidad)
 * G. j. paramaryllis (Comstock, 1943) (Jamaica)

Distribution and habitat
It is found from southern Texas through Mexico, the Caribbean and Central America to northern South America. The habitat consists of open, dry, subtropical forests.

Description
The wingspan is 73 - 96 mm. Adults are on wing from September to December in southern Texas. They feed on flower nectar from a variety of weeds and garden plants including Lantana, Eupatorium and Bougainvillea.

The larvae feed on older leaves of Capparidaceae species.