Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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Boisduval's Yellow
Eurema boisduvaliana (C. Felder & R. Felder, 1865)


Family: Pieridae
Subfamily: Coliadinae
Identification: Upperside lemon yellow with black borders; each hindwing slightly pointed. Male forewing with weak "dog's head" pattern; hindwing with wide black border projecting into yellow ground. Female forewing with black at apex; hindwing with narrow black edge.
Wing Span: 1 1/2 - 2 inches (3.8 - 5.1 cm).
Life History: Males patrol flats and gullies for females.
Flight: April-November in south Texas and northward, throughout the year in tropics.
Caterpillar Hosts: Cassias (Cassia species) in the pea family (Fabaceae).
Adult Food: Flower nectar.
Habitat: Subtropical forests and forest edges, scrub, roadsides, pastures.
Range: Costa Rica north to Mexico. Rare in south Florida (recorded only twice in the Keys); regular migrant to southeast Arizona, southwest New Mexico, and South Texas.
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
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