Gulf Fritillary (Agraulis vanillae)

Gulf Fritillary
Wing span: 2 1/2 - 3 3/4 inches (6.3 - 9.5 cm).

Identification: Upperside bright orange with black markings; 3 black-encircled white dots on forewing leading edge. Underside brown; forewing with orange at base; both wings with elongated, iridescent silver spots.

Life history: Males patrol for females, who lay eggs on many parts of the host plant. Caterpillars feed on most parts of the host. Adults overwinter in the south.

Flight: Throughout the year in south Florida and South Texas, January-November in the north. Number of broods has not been determined.

Caterpillar hosts: Various species of passionvine including Passiflora incarnata and P. foetida.

Adult food: Nectar from lantana, shepherd's needle, cordias, composites, and others.

Habitat: Pastures, open fields, second-growth subtropical forest and edges, city gardens.

Range: South America north through Central America, Mexico, and the West Indies to the southern United States. Wanders north to the central United States; rare northward.

Conservation: Not usually of concern.

Management needs: Cultivate host plants.

The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.




Photographs and text copyright by and adapted from US Geological Survey's Butterflies of North America.