USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Caterpillars of Pacific Northwest
Forests and Woodlands

Orgyia pseudotsugata [Lymantriidae]

Densely covered with white hairs that originate from a red base; middorsal tufts of golden-tipped white hairs on A1-A4 and A8; tufts of long black hairs project forward laterally from A1; a single tuft of long black hairs project backward dorsally from A8; bright red middorsal glands on A6 and A7. This species is an occasional pest on conifers, notably Douglas-fir, during May and June.

Previous Section -- Rusty Tussock Moth
Return to Photo Key to Species in Group B-2a - Middorsal tufts of short, dense hairs

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 05:17:49 EST
Sioux Falls, SD [sdww54]