Phone: 614-292-6181, © 2020 | 2120 Fyffe Road | Room 3 Ag Admin Bldg. Viburnum Leaf Beetle (Coleoptera: Chrysomelidae). Wilson, M. 2011. Viburnums, including American cranberrybush viburnum, arrowwood viburnum… Murray, T. 2004. This site designed and maintained by CFAES Marketing and Communications. VLB activity is observed in both native populations and ornamental plantings of viburnums. Larval feeding continues through late spring to early summer. Eggs are ball-shaped, yellow-brown to brown in color with a sculptured surface and about 1/16" in diameter. Additional damage to host plants is produced by the egg-laying process. All are currently susceptible to the Viburnum Leaf Beetle. CFAES COVID-19 Resources:   Safe and Healthy Buckeyes   |   COVID-19 Hub   |   CFAES Calendar. Viburnum leaf beetle larvae are voracious leaf eaters, feeding on the areas between the veins creating a “skeletonized” appearance. In 1996 it was discovered in New York State. The viburnum leaf beetle (VLB), Pyrrhalta viburni (Paykull), which is native to most of Europe, consumes the foliage of plants in the Genus Viburnum to support its growth and development. Contact your county OSU Extension office for more information. The most effective means of mechanical control of VLB on small plants and small-scale plantings is to prune and destroy infested twigs after egg laying has ceased in the fall, anytime from October to April. | Columbus, Ohio 43210. Soldier beetles, also known as leatherwings, are beetles … They're recently been discovered in British Columbia. These pits create weak points along the twigs and stems which are break points and cause twig and stem tips to die. Adult feeding damage consists of irregular circular holes. VLB is likely to establish throughout Ohio. When disturbed, the beetles will fly away or drop to the ground. If any information in these recommendations disagrees with the label, the recommendation must be disregarded. Adult feeding [Video by D. Swaciak] Logo images by Kent Loeffler, Paul Weston & Craig Cramer VLB was first discovered and identified in North America in 1947 in the Niagara Peninsula of Ontario, Canada, and has spread from there (Ventresca and Kessel 2012). Eggs are not laid in plain view. Origin Pyrrhalta viburni adults’ feeding damage consists of irregular circular holes, and severe feeding can nearly defoliate shrub. VLB is restricted to feeding on viburnum plants in the genus Viburnum. Once the pits are filled with eggs, the pits and eggs are covered with a “cap” of feces and chewed bark and wood mixed with saliva. Hoebeke. Figure 5. If you have a disability and experience difficulty accessing this content request accommodation here. Viburnum beetle can defoliate viburnums. Adults appear in mid-summer (late June to early July) and may be found on host plant foliage and stems until the first heavy (killing) frost. The capped egg pits are easy to see on the stems after leaf-drop. Weston, P. A. See the pupae in Figure 4 below. By early to mid-May, the eggs hatch and the larvae (grubs) disperse to the newly expanding viburnum foliage. They complete just one lifecycle each year. 2007. The viburnum leaf beetle is native to Europe and has become a serious pest of viburnum plantings and nursery stock in the Northeast United States. We connect with people in all stages of life, from young children to older adults. Adult viburnum leaf beetles are a shiny gold color, especially in the sun. Newly hatched larvae tend to feed side-by-side on the underside of the leaves between the veins of the leaf. Viburnum Leaf Beetle: Update on a recently arrived landscape pest. Both the larvae … In 2002, VLB was found in Ashtabu… The pests can completely defoliate a virbunum. Viburnum leaf beetle has been known in some eastern states since the early 1990’s. No endorsement is intended for products mentioned, nor is criticism meant for products not mentioned. Weston, P. A. The viburnum leaf beetle (VLB), Pyrrhalta viburni, is an invasive insect that feeds exclusively on and can significantly damage Viburnum species. We work with families and children, farmers and businessowners, community leaders and elected officials to build better lives, better businesses and better communities to make Ohio great. From summer through fall, adults will continue to be active, mating, laying eggs on terminal twigs, and feeding upon foliage until the first killing frosts. Horticultural oils (generally 2 to 3 percent) and/or insecticidal soaps are useful for control of VLB larvae. Available online at: Weston, P., Hoebeke, E., Eshenaur, B., and Klass, C. 2012. A summary of those mostly found in Ohio: Several insecticides include VLB on their labels. Pictures and descriptions of the life cycle stages are below. Pictures and more information about eggs. Viburnum leaf beetle home How to ID viburnum leaf beetles Timeline - What to look for through the year Logo images by Kent Loeffler, Paul Weston & Craig Cramer: Lifecycle summary: Viburnum leaf beetles only infest viburnums. The viburnum leaf beetle (Pyrrhalta viburni) is an invasive pest from Europe that is currently established in the eastern United States, British Columbia, and parts of Washington. They are laid in rows of pits (3 to 8 eggs/pit) chewed into the new shoots (current year and sometimes the one-year old shoots, as well) during late summer. As the larvae grow, their feeding becomes more aggressive and holes are produced through the entire leaf. Newly hatched larvae are tiny and dark in color, but lighten as they grow and elongate as shown in Figure 2. Accessibility Accommodation. Mated female viburnum leaf beetles chew pits into the bark of twigs and stems of the host shrubs into which eggs are laid. 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