No Common Name (Ganyra howarthi [Dixey])
Wing span: 1 3/4 - 1 7/8 inches (4.5 - 4.8 cm).
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.
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.
Management needs: Refrain from destroying habitat in United States.
Bailowitz, R. A. 1988. Systematics of Ascia (Ganyra) (Pieridae) populations in the Sonoran desert. Journal of the Research on the Lepidoptera 6: 73-81. Brown, J. W., Real, H. G., and Faulkner, D. K. Butterflies of Baja Cali- fornia. 1992. Lepidoptera Research Foundation, Inc., Beverly Hills, CA. 129 pages, 8 color plates.
Author: Jane M. Struttmann