Northern Prairie Wildlife Research Center

Caterpillars of Eastern Forests

False-sphinx (Pheosia rimosa) [Black-rimmed Prominent]


JPG-Photo of False-sphinx

Highly distinctive, glossy tan, yellow, green, or lavender; eighth segment with black dorsal horn; rump with spinulose plate tinted with orange or red about its periphery; spiracles black conspicuously ringed with white. Thoracic legs red-orange. Food: willows and poplars. Caterpillar: June to October; 2 generations.


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