Ganyra josephina, the giant white, is a butterfly in the family Pieridae.
Subspecies The following subspecies are recognized: 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) The former subspecies Ganyra josephina menciae, the Cuban white, has been separated as its own species, Ganyra menciae.
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.Butterflies and Moths of North America
Description The wingspan is . 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.
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