Caterpillar has a distinctive green saddle on a black to brown base. The saddle has a central brown patch and is bordered with white. Lobes on the front and rear bear stinging spines. Clusters of spines also line the sides.
Moth dark brown with wings shaded in black and charcoal. Forewing with one white dot near base and a few near the apex.
The male moth (below) has a flared abdomen:
Massachusetts south to Florida and west to eastern Missouri and Texas (2)
Moth flies June to August in the North stretching to almost the entire year in the extreme South (4)
Many trees, shrubs, and grasses including apple, asters, blueberries, citrus, corn, dogwoods, elms, grapes, linden, maples, oaks, Prunus species, sunflowers and viburnums (2). Troy has personally seen them feeding on liriope, cherry, oak, and holly.
Young instar caterpillars are somewhat gregarious.
Formerly Sibine stimulea.
Caterpillars are capable of inflicting lasting and painful stings with their spines.
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