Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Giant White
Ganyra josephina (Godart, 1819)

Family: Pieridae
Subfamily: Pierinae
Identification: Large. Cell of upper forewing of male contains prominent round black spot. Wet-season female has black cell spot and also diffuse black postmedian spots. Veins outlined with black near wing margins. Dry-season female not so prominently marked.
Wing Span: 2 7/8 - 3 3/4 inches (7.3 - 9.6 cm).
Life History: Female lays single eggs on older host plant leaves, which the caterpillars then eat.
Flight: From September-December in south Texas.
Caterpillar Hosts: Trees in the caper (Capparidaceae) family.
Adult Food: Flower nectar including lantana, eupatorium, and bougainvilla.
Habitat: Open, dry, subtropical forests.
Range: South from south Texas through Mexico and Central America. A rare stray to Kansas and New Mexico.
Conservation: Not required for periodic stray.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None noted.
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