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There are four species of aphids that attack small grains in Virginia: the greenbug, corn leaf aphid, bird cherry-oat aphid, and the English grain aphid. All are associated with crop loss and plant virus transmission. Thresholds and the control are covered in this publication.
Virginia Cooperative Extension materials are available for public use, reprint, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.
Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.
March 20, 2019