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Spicebush Swallowtail

Papilio troilus

CommonInsect & Arthropod
Illustration of Spicebush Swallowtail (Papilio troilus)

The Spicebush Swallowtail is a dark-winged butterfly with iridescent blue-green hindwing patches in females and striking turquoise in males. Its caterpillar mimics a snake, complete with large false eyespots on a swollen thorax. Adults are strong fliers found nectaring at flowers in wooded areas.

Habitat
Deciduous woodlands, forest edges, and shaded gardens
Diet
Larvae: spicebush and sassafras leaves. Adults: nectar from flowers
How common
Common

Best time to see a Spicebush Swallowtail

The best time to see a Spicebush Swallowtail is June–August, when about 69% of U.S. sightings happen, based on 58,087 research-grade iNaturalist observations.

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