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Northern Prairie Wildlife Research Center

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Caterpillars of Eastern Forests

White Furcula (Furcula borealis)

JPG-Photo of White Furcula

Green or yellow-green with angulate first thoracic segment, giving appearance of ears over head. Rear of second and front of third thoracic segments form hump, but without strongly raised ridges or bumps of other furculas. Continuous brown angulate saddle ends above prolegs on fourth abdominal segment. Tails (anal prolegs) extrusible, extruded portion red or brown with paler subapical band. Food: cherries; also recorded—perhaps erroneously—from willows and poplars. Caterpillar: June to September; 2 generations.

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