Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Mexican Yellow
Eurema mexicana (Boisduval, 1836)


Family: Pieridae
Subfamily: Coliadinae
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.
Wing Span: 1 3/4 - 2 1/2 inches (4.4 - 6.3 cm).
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 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 migrant to Mississippi, Arkansas, Illinois, and Michigan.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Alternate Scientific Names:
Eurema mexicanum