Spicebush Swallowtail vs Eastern Tent Caterpillar Moth

Side-by-side species comparison

Attribute Spicebush Swallowtail Eastern Tent Caterpillar Moth
Scientific Name Papilio troilus Malacosoma americanum
Order Lepidoptera Lepidoptera
Family Papilionidae Lasiocampidae
Size Wingspan 90-130mm 25–38 mm wingspan
Habitat Underground Grasslands
Diet Herbivores Herbivores
Regions North America Eastern North America
Conservation Least Concern Not Evaluated

Spicebush Swallowtail

A dark swallowtail butterfly with blue-green hindwing scaling and orange spots. Its caterpillar has large false eyespots making it resemble a small snake.

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Did You Know?

The young caterpillar mimics a bird dropping while the older caterpillar switches to mimicking a green tree snake.

Eastern Tent Caterpillar Moth

A common moth whose caterpillars build conspicuous silk tents in the forks of cherry and apple trees. Colonies cooperate to build and expand their communal shelter.

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Did You Know?

Caterpillars lay silk trail pheromones to guide nestmates to the best feeding sites on the tree.