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Northern Prairie Wildlife Research Center

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Caterpillars of Eastern Forests

Saddleback Looper (Ectropis crepuscularia) [Small Engrailed]

JPG-Photo of Saddleback Looper

Stocky, gray to brown marked with black and pale, sometimes pinkish, areas. Dorsum of second thoracic segment slightly humped; venter and sides of third thoracic segment modestly swollen; and raised, arcing ridge on eighth abdominal dorsum. Head rounded, mottled with black, sometimes with herringbone pattern to either side of midline. Brownish middorsal line finely edged with black; faint subdorsal stripes of thin, double black lines; often with dark V on dorsum of second abdominal segment, dark subspiracular patches, and oblique pale line extending forward from proleg. Food: many forest trees and shrubs, especially conifers. Caterpillar: April to October; 2 generations in North.

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