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Japanese Beetle Detected In Traps (07/27/17)

Japanese beetles have begun to emerge as adults. Live adults were collected from traps at 4 nurseries on the east side of the state in Cass and Richland Counties.

Japanese Beetle Detected In Traps

Japanese beetles have begun to emerge as adults. Live adults were collected from traps at 4 nurseries on the east side of the state in Cass and Richland Counties. No Japanese beetles were captured in any traps at non-nursery field sites. Japanese beetle adults damage plants by feeding on the leaves causing defoliation and skeletonizing leaves. However, no plant defoliation has been observed. Pheromone traps are an effective method of monitoring male and female Japanese beetles. Pheromone lures contain both a floral and sex pheromone that can attract beetles from more than ½ mile away. We are hopeful that the 1,500 traps that were placed in the field will capture any Japanese beetles that were accidently introduced on nursery stock. Traps are being operated by the ND Department of Agriculture, NDSU Extension Service, Master Gardeners, homeowners and other volunteers.

For more control information, see the NDSU Extension Service

knodel.1

publication on Integrated Pest Management of Japanese Beetle in North Dakota E1631.

 

Charles Elhard     

ND Department of Agriculture

                                   

Janet J. Knodel 

Extension Entomology

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