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Northern Prairie Wildlife Research Center

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Caterpillars of Eastern Forests

Pearly Wood-nymph (Eudryas unio)

JPG-Photo of Pearly Wood-nymph

Thoracic shield pale with black spotting. Six or 7 black rings per segment of more or less uniform width. Setal lengths scarcely longer than blackened setal bases from which they arise. Midabdominal orange bands often cut off from orange of prolegs by black shading. Orange patch on prolegs with 2 distinct black spots. Caterpillar of beautiful wood-nymph (E. grata) larger, with orange on shield, and 1 black spot on each proleg; grape family, buttonbush, and hops. Food: grape family, evening primrose, and willow-herb. Caterpillar: June to September; 2 generations in South, 1 in North.

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