Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Isabella's Heliconian
Eueides isabella (Stoll, 1781)


Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Forewing elongated with rounded apex. Wings similar above and below. Apical half of forewing black with yellow areas; basal half orange with a black stripe. Hindwing orange with 2 black stripes; white dots along the black outer margin.
Wing Span: 3 1/16 - 3 1/2 inches (7.8 - 9 cm).
Life History: Males patrol for receptive females, who may mate more than once. Eggs are laid singly on tendrils or on underside of host plant leaves; caterpillars then feed on those parts of the plant. Adults roost alone on underside of leaves.
Flight: April-July in Texas, throughout the year in the tropics.
Caterpillar Hosts: Passion-vines (Passiflora species).
Adult Food: Flower nectar.
Habitat: Subtropical woodland edges, scrub, and brushy fields.
Range: Brazil north to Mexico and the West Indies; periodic immigrant to central Texas.
Conservation: Not required for irregular resident.
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