Virginia Cooperative Extension Service2013-12-142013-12-141983-06http://hdl.handle.net/10919/2466046 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.LD5655 .A762EntomologyEntomology -- Study and teachingExtension publication49295552