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Japanese beetle

Popillia japonica Newman
Coleoptera: Scarabaeidae

Japanese beetles can be present from June through September. Beetles lay eggs underground in grassy areas near vineyards, preferring soil with moisture.This pest can be a problem particularly in new vineyards using grow tubes. Frequent monitoring is required to reduce the risk of severe damage.

Damage

Japanese beetles can be present from June through September. Beetles lay eggs underground in grassy areas near vineyards, preferring soil with moisture.This pest can be a problem particularly in new vineyards using grow tubes. Frequent monitoring is required to reduce the risk of severe damage.

Management

Cultural and biological controls of grubs may reduce subsequent abundance of adults. Japanese beetle traps may attract beetles to vineyards, so their use is discouraged.

Pest and Beneficials Search (search again)

The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the AgBioResearch, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.