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Adults are small, stout, shiny oval beetles measuring about 3 mm (0.125 inch) long. Their metallic color ranges from black to bluish–green. The bright yellow, spindle-shaped eggs are laid upright in clusters. Larvae are small, somewhat shiny grubs with a black head, thorax, and legs. The abdomen may appear somewhat greenish-yellow and has several parallel rows of black bumps. Larvae measure about 5–8 mm (about 0.25 inch) long when mature. The naked pupae are a mottled yellow-brown, with the wings, legs, and head clearly distinguishable, and are attached to the leaf by the tip of the abdomen.
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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.
May 20, 2015