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Integrated Pest Management of Alfalfa Weevil in North Dakota - E1676

IPM of Alfalfa Weevil in ND
IPM of Alfalfa Weevil in ND
The alfalfa weevil, Hypera postica (Gyllenhal) (Coleoptera: Curculionidae), is found throughout the U.S. and is the major insect pest of alfalfa in North Dakota. Loss of plant biomass, especially leaf tissue, can be severe. Leaf feeding by alfalfa weevil also reduces nutritional quality and digestibility. Depending on the year, yield loss due to alfalfa weevil can approach 100 percent, especially under drought conditions.

Patrick B. Beauzay, State IPM Coordinator and Research Specialist NDSU
Janet J. Knodel, Extension Entomologist, NDSU
G.A.S.M. Ganehiarachchi, Senior Lecturer,  Department of Zoology,  University of Kelaniya, Sri Lanka8

8 Pages

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