North American Butterflies and Moths List

The definitive website on wildbirds & nature

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Butterflies of North America

Howarth's White (Ganyra howarthi (=kuschei))

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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.

References:

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

Howarth's White (Ganyra howarthi (=kuschei))

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