Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Howarth's White
Ganyra howarthi (Dixey, 1915)


Family: Pieridae
Subfamily: Pierinae
Identification: Upperside white. Forewing with black wedges at apex and outer margins; black cell spot. Female forewing markings more diffuse, with additional postmedian black spots.
Wing Span: 1 3/4 - 1 7/8 inches (4.5 - 4.8 cm).
Life History: Not reported.
Flight: Throughout the year in Baja California.
Caterpillar Hosts: Atamisquea emarginata (Capparidaceae) in southern Arizona.
Adult Food: Flower nectar.
Habitat: Thorn forest and desert scrub.
Range: Along the coasts in the southern half of Baja California and Sonora, Mexico. Resident in extreme southern Arizona.
Conservation: Conserve habitat with host plants.
NCGR:
Management Needs: Refrain from destroying habitat in United States.
Comments: NULL