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Plants attacked: Scotch, mugho, Austrian Pine; also present but seldom damaging on Eastern White Pine, Norway Spruce, and some other conifers.
Description of damage: Damage is not apparent until large populations have been present formore than 1 or 2 seasons. Trees are stunted, grow slowly, have short needles and shoots. Occasionally the feeding of scales produces chlorotic, yellowish flecks no the needles, but normally this is not apparent. Heavily infested plants are seriously weakened and may be in a state of decline.
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 3, 2015