Northern Prairie Wildlife Research Center
Color variable, somewhat quadrate in cross section with greenish thoracic dorsum giving way to reddish and brownish colors over abdomen; sides green. Setal warts enlarged on dorsum of second and third thoracic segments. Head yellowish, distinctively marked with 2 brown transverse rings. Warty birch caterpillar (D. bilineata) with more pronounced warting; head mottled with browns but lacking defined rings; birches, alders, and aspens. Food: birches and alders. Caterpillar: June to October; 2 generations.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/insects/cateast/dreparcu.htm
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Page Last Modified: Saturday, 02-Feb-2013 05:12:11 EST
Sioux Falls, SD [sdww55]
