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Northern Prairie Wildlife Research Center

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Caterpillars of Eastern Forests

Contracted Datana (Datana contracta)

JPG-Photo of Contracted Datana

Ground color black with white or yellow stripes, subspiracular stripe somewhat broader than 3 more dorsal stripes. Body densely vested with long, soft pale hair. Neck (prothorax) mostly black with only narrow band of orange to either side. Several species of Datana occur in East, all species are gregarious until last instar. When alarmed they arch body into C-shape. Food: usually oaks or chestnuts, occasionally hazelnuts and others. Caterpillar: August to September; 1 generation in North.

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