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Anise Swallowtail

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description Anise Swallowtail Overview

The Anise Swallowtail, scientifically known as Papilio zelicaon, is a species of butterfly native to western North America. Recognizable by its yellow and black wing patterns, it also features blue and red eyespots on the hindwings, which serve as a defense mechanism against predators. The species relies exclusively on plants in the carrot family, Apiaceae, for its larval diet, consuming hosts such as fennel, anise, and poison hemlock. Adults are common in diverse habitats, including gardens, hillsides, and deserts.

help Anise Swallowtail FAQ

What is the scientific name of the Anise Swallowtail?

The Anise Swallowtail is Papilio zelicaon. It is a butterfly of western North America with yellow-and-black wings and colored eyespots on its hindwings.

Why is it called the Anise Swallowtail?

The name refers to the caterpillar's association with plants in the carrot family, including anise and related host plants. The species is common in western habitats where those aromatic plants grow.

Are the red and blue spots on an Anise Swallowtail real eyes?

No, the red and blue markings are eyespots on the hindwings, not actual eyes. They can help deflect attacks away from the butterfly's head by making the rear of the wings look like a face.

Where can Anise Swallowtails be found?

Anise Swallowtails are native to western North America and are especially associated with open habitats, gardens, and areas containing their larval host plants. Their yellow-and-black pattern makes them easy to distinguish from many darker swallowtails.

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