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The viburnum leaf beetle (VLB), Pyrrhalta viburni, is an invasive insect that feeds exclusively on and can significantly damage Viburnum species. Figure 6. Fact!Sheet! Pest Alert: Viburnum Leaf Beetle The viburnum leaf beetle, Pyrrhalta viburni (Paykull), was first found in North America in 1947, in the Niagara Peninsula of Ontario, Canada. The viburnum leaf beetle (Pyrrhalta viburni) was introduced from Europe and Asia to North America around 1947 and first became a problem in Canada in 1978. Weston, Hoebeke and Brian C. Eshenaur, a Cornell Cooperative Extension agent in Monroe County, N.Y., have developed a viburnum leaf beetle fact sheet to assist homeowners, nurseries and landscapers in identifying the pest. of Entomology 2144 Comstock Hall, Ithaca, NY 14853-2601 Viburnum Leaf Beetle Pyrrhalta viburni (Paykull) _____ The Viburnum Leaf Beetle (VLB) is an invasive insect from Europe. Viburnum leaf beetle larvae are voracious leaf eaters, feeding on the areas between the veins creating a “skeletonized” appearance.

The first report of VLB in the United States was in New York State in 1996. Prune off basal suckers to restrict spreading if necessary. The adult beetles are hard to see, resembling … "The viburnum leaf beetle hit us hard in the Rochester area about 15 years ago. New OSU FactSheet Online - Viburnum Leaf Beetle (VLB) Category. VLB is now found scattered across much of the northeastern US. Figure 4 . The FactSheet covers the Viburnum Leaf Beetle, an invasive species from Europe and Asia. Viburnum leaf beetle adults are about a quarter inch long. Figure 2. The Korean viburnum, Viburnum carlesii, is deciduous and in early spring has a wonderful cluster of pink buds and an absolutely beautiful perfume. If you want to learn about viburnum leaf beetle control, you’ll need to plan separate attacks for eggs. Some landscape plants succumbed to the defoliation then too. The fact sheet is expected to be published in early July and will be available through county cooperative extension offices. Published on. Cornell University, Dept. Native plantings of arrowwood ( Viburnum dentatum complex) in the park were found to be heavily damaged by larval feeding. The adult beetle also causes damage by chewing elliptical holes in the leaves. During those first few years in which the beetle population peaked most of the susceptible native species like arrowwood, that were growing in wooded areas, were killed.

Figure 3 .

Known Hosts: The viburnum leaf beetle only feeds on Viburnum species.

Repeated defoliation stresses the shrub and can lead to its death within 2 – 3 years. Scientific Name: Pyrrhalta viburni Common Name: Viburnum leaf beetle. Figure 3 . Your first step is to look very carefully at the young twigs of the viburnum in early spring. Prune out and burn all infected twigs that you find. The VLB … Authors. A leaf beetle, Pyrrhalta viburni (Paykull), commonly known as the viburnum leaf beetle (VLB) particularly attacks viburnums (Weston and Hoebeke 2003a). Hort Shorts. In 1996 it was discovered in New York State. Printable VLB Pest Alert and Fact Sheet (3/2013) Viburnum leaf beetle detected in new Massachusetts counties (8/2008) (Click on an image below to see the captioned full-size version) Figure 1 . There is a new Ohio State University Extension FactSheet that you must check out. This beetle, which is native to Europe and Asia, was first detected in North America in 1947 in Ontario, Canada, but established breeding populations were noticed only in 1978 in the Ottawa/Hull region of Canada (Becker 1979). VLB feeds on many species of viburnums, heavily damaging and defoliating this popular landscape shrub. (Pyrrhaltaviburni)) PreparedbyTomTiddens,)supervisor,) PlantHealthCare ,ChicagoBotanicGarden)! Figure 5. It is believed to have entered North America on imported nursery stock and is now found throughout New England. Try to spot eggs sites that swell and pop their covers as the weather warms. Figure 4 . Identification Viburnum!Leaf!Beetle! Occasional pruning is helpful to rejuvenate and shape the plant. Viburnum acerfolium leaves can be damaged or skeletonized by the beetle adults and Scientific Name: Pyrrhalta viburni Common Name: Viburnum leaf beetle. It has now moved to the northeastern United States where it is a concern in urban landscapes and nurseries. Their dorsal surface has small, dense punctures, and the space between punctures is somewhat rugose, or wrinkled, with thick, golden-grey pubescence. (June5,2015) !! Figure 6. The head, thorax, and elytra (or wing covers) are generally brownish, but humeral angles, or shoulders, of the elytra are darker. Amy Stone. viburnum leaf beetle below). Printable VLB Pest Alert and Fact Sheet (3/2013) Viburnum leaf beetle detected in new Massachusetts counties (8/2008) (Click on an image below to see the captioned full-size version) Figure 1 . The pests can completely defoliate a virbunum. VLB is native to Europe and was detected in Canada in 1947. Known Hosts: The viburnum leaf beetle only feeds on Viburnum species. August 11, 2016. Figure 2. Figure 5. Pest: Viburnum Leaf Beetle (Pyrrhalta virburni) Order: Coleoptera Family: Chrysomelidae The Viburnum Leaf Beetle was officially identified in Massachusetts in the summer of 2004.