Virginia Cooperative ExtensionHerbert, D. Ames Jr.Hull, CathyYoungman, Roger R.Day, Eric R.2014-08-202014-08-202005-09-01http://hdl.handle.net/10919/50386Describes life cycle of four species of aphid and damage on small grain crops in Virginia. Discusses prediction of aphid population outbreaks and methods of sampling plants for aphids. Also discusses aphid predators and parasites.4 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.Agricultural insects / PestsGrainsExtension publicationhttp://pubs.ext.vt.edu/444/444-018/444-018_pdf.pdfAphidsGrains