On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:
Wing span: 1 3/4 - 2 1/2 inches (4.4 - 6.3 cm).
Identification: Upper surface is creamy white with indented black borders which outline a "dog's head" on forewings; more pronounced in male. Hindwing with projecting tail-like points.
Life history: None reported.
Flight: Midsummer to fall as vagrant, all year in tropics.
Caterpillar hosts: Acacia and Diphysa in the pea family (Fabaceae).
Adult food: Nectar from a wide variety of flowers.
Habitat: Open, dry areas: flats, hillsides, deserts, prairies. Found in moister areas in Mexico and Central America.
Range: Resident from Central America north to South Texas and the Southwest; common vagrant in Great Plains and Southwest deserts; rare mi... read more
On Nov 14, 2006, htop from San Antonio, TX (Zone 8b) wrote:
Mexican Yellow (Eurema mexicana) has a dark border that resembles the border of the southern dogface but has the snout of the dog replaced by what rlooks like a beak. It has a wingspan tha is less than two inches. The ventral side of the wings are mainly light yellow with a variable number of scattered small spots.