japanese beetles - Knowledgebase Question

east northport, Ne
Question by charlottecbl
July 16, 2010
Is there an organic treatment to get rid of these pests? I do not want to spray anything toxic as i do have a dog
some sore of misting to cover the yard perhaps?


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Answer from NGA
July 16, 2010

0

There is an organic control for Japanese beetle grubs, but it takes a while to become effective. Milky spore (Bacillus popillae) may be spread over turf to suppress them. It is a bacterium ingested by grubs.

Spores germinate inside the grub and multiply. The infected grubs die, and more spores are put into the soil at that time.

The disease builds up in turf slowly (over two to four years) as more grubs ingest spores and die. Milky spore works best when applied in community-wide treatment programs.

You are seeing the adults which were grubs in your lawn and garden earlier this year. You can try neem oil (Bonide Bon-Neem or Green Light Neem Concentrate) or the permethrin based Spectracide Bug Stop Multi-Purpose Insect Control Concentrate. Both products rank high on the list of least toxic pesticides. As with all pesticides, read and follow all label instructions and precautions.

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