description Gulf Fritillary Overview
The Gulf Fritillary (Agraulis vanillae) is a medium-sized butterfly found throughout the southern United States, Mexico, Central America, and parts of South America. This species displays bright orange wings with black markings on the upper surface and distinctive metallic silver spots on the underside. The caterpillars feed exclusively on passionflower vines (Passiflora species), from which they sequester toxic compounds that make them unpalatable to predators.
help Gulf Fritillary FAQ
How can I identify a Gulf Fritillary?
An adult Gulf Fritillary has bright orange upper wings with black markings and elongated metallic silver spots underneath. Its scientific name is Agraulis vanillae, and the usual wingspan is about 6.3 to 9.5 centimeters.
What plant does the Gulf Fritillary caterpillar eat?
The caterpillar feeds on passionflower vines, including maypop, Passiflora incarnata, and corkystem passionflower, Passiflora suberosa. Females lay their yellow eggs singly on or near these host plants.
Where is Agraulis vanillae found?
The species ranges through the southern United States, Mexico, Central America, the West Indies, and much of South America. It favors open habitats such as pastures, gardens, field edges, and subtropical forest margins.
How can I attract Gulf Fritillaries to a garden?
Planting passion vines provides the leaves that caterpillars need, while lantana and other nectar flowers help feed adults. The National Park Service gives an adult lifespan of about 14 to 27 days after emergence from the chrysalis.
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