If you have taken the above advice but continue to find Japanese beetles in your yard, garden, and similar areas, it’s very likely that you have an infestation. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This affects our lawn and garden appearance in addition to affecting the surrounding environment.Many of these plants are affected while the beetles are living above ground in their adult stage. It’s advised you apply the spore—a white, powdery substance—to your lawn once per year, either in the spring or the fall, for three years. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Mix all of it in an empty milk jug you cleaned out, and hang it close to where Japanese beetles are attaching your garden. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Your yard may have... | Updated for 2020 HOW TO: Identify Inspect Treat Prevent When to call a professional Moles are an underground wildlife pest that can be tricky to spot and even trickier to get rid of. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Applications like this only work if you have a big enough yard to lure the beetles away from. The There have been sightings of Japanese beetles as far west as Portland, Oregon, too, though the climate of many states out west aren’t ideal for the beetles’ survival.The beetles are known to wreak havoc on plants, vegetations, and lawns all over the eastern United States, and they do so only being about half an inch long in their adult stages.
If you lay these traps in a confined space, it only invites more beetles to the area.
For example, Neem oil is harmful to fish, so don’t apply the oil near ponds or areas where a storm could create runoff to a source of water.If you don’t notice beetle damage until the summer, when they start to blossom into adults and start feeding above ground, row covers should help.