November 29, 2020
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This pest has been on the move ever since munching its way through native and landscape viburnums from upstate New York to northern Pennsylvania. The viburnum leaf beetle (VLB), Pyrrhalta viburni, is an invasive insect that feeds exclusively on and can significantly damage Viburnum species. Low- to moderate-severity fires top-kill maple-leaf viburnum. Viburnum leaf beetle. The larvae, concealed on the undersides of leaves, skeletonize them by eating the tender tissue between the tougher leaf veins, while the adults simply bite … Viburnum leaf beetle: The viburnum leaf beetle (Pyrrhalta viburni), native to Europe and Asia, was It apparently survives fire by sprouting from underground rhizomes, but these are shallow and easily damaged and the species decreases with exposure to repeated fires. The viburnum leaf beetle. VLB is native to Europe and was detected in Canada in 1947. A leaf beetle, Pyrrhalta viburni (Paykull), commonly known as the viburnum leaf beetle (VLB) particularly attacks viburnums (Weston and Hoebeke 2003a). The first report of VLB in the United States was in New York State in 1996. Back to Leaf Beetles. The viburnum leaf beetle (Pyrrhalta viburni), native to Europe and Asia, was … Adult VLB Photo: Paul Weston, Cornell University. It was first found in upstate New York in 1996. It targets a narrow range of host plants – in this case, as its common and scientific names imply, shrubs in the genus Viburnum. VLB (Pyrrhalta viburni), is a recent unintentionally introduced pest of viburnum in North America. disease damage in cultivation although bacterial leaf spot, powdery mildew, shoot blight, tarnished plant bugs, stem borers, and thrips will occasionally be a problem.

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