United States. Department of AgricultureVirginia Cooperative Extension ServiceCoartney, James S.2015-08-052015-08-051979http://hdl.handle.net/10919/55355iv, 103 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 .A762Pests -- ControlExtension publication6208610