japanese beetles - Knowledgebase Question

woodstock, Ne
Question by rt3racing
July 21, 2010
how can i rid myself of the japanese beetles on my beans and sunflowers?


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Answer from NGA
July 21, 2010

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Japanese beetles are tough to control. Charlie Nardozzi writing in "Vegetable Gardening for Dummies" recommends trying to get neighbors to treat for them in a neighborhood-wide offensive. (Not always easy to do, I know!) Handpicking in morning and evening when beetles are sleepy and less likely to fly away is an option if you are diligent. Stomp on them to alleviate your frustrations! Insecticidal soap can be used against adult beetles. Pyrethrin and rotonone, which are considered botanical insecticides because they are made from plants, can be used. However, they are extremely toxic. They will kill a broad range of insects, including beneficials such as bees. Use pyrethrin in the evening when bees are not active. Use rotonone as a last resort. Follow label instructions exactly. I hope this info helps.

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