Northern Prairie Wildlife Research Center

Caterpillars of Eastern Forests

White-fringed Emerald (Nemoria mimosaria)

JPG-Photo of White-fringed Emerald

Small, rusty brown or green with winglike lateral flanges on abdomen; body densely spinulose. First thoracic segment with raised many-spined warts. Lateral lobes largest on second, third, and fourth abdominal segments. Dorsum of eighth abdominal segment with 2 sharp upright protuberances. There are several species of Nemoria in East, identifications are best confirmed by rearing. Food: oaks, hemlocks, firs, and many other forest trees. Caterpillar: June to September; 1 generation.

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