%0 Book %B Forest Service Circular %D 2001 %T Geometroid caterpillars of Northeastern and Appalachian Forests %A Wagner, D. %A Ferguson, D. %A T. L. McCabe %B Forest Service Circular %I United States Department of Agriculture %C Washington, D. C. %G eng %U http://babel.hathitrust.org/cgi/pt?id=umn.31951d02067489i;view=1up;seq=3