Japanese Beetles will soon be emerging in the Chesapeake Bay region. The US Department of Agriculture recommends an integrated pest management (IPM) approach. Here, an assortment of measures (biological, chemical and cultural) are used to control the beetle population throughout its life cycle. Parasites, nematodes, microbial insecticides (e.g., Milky Spore) and parasitic wasps can be used to help control the beetles. But these work best when applied over long time periods and when entire neighborhoods work together to control the beetles. Managing plants effectively (keeping them healthy, picking off damaged fruit, and mixing plant varieties) can also lessen beetle impacts. And traps, when placed throughout a community, can have a large effect on killing off the beetles.
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