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Japanese Beetles

How to Get Rid of Japanese Beetles

Japanese Beetle

One of the best methods of Japanese Beetle removal is getting rid of grubs using Imidacloprid granules. The larval form of Japanese Beetles (grubs) cause lawn problems because they eat the roots of the grass. Treating the grubs before they emerge as an adult will help curb the population. The best time for spreading the granules is June to August which helps catch the newly hatched grubs. The Imidaclorprid granules last for two months.

If you use a trap like the Bonide Beetle Bagger, it is recommended that you use a repellent insecticide like Bifen IT on plants. Place the Beetle Trap away from the area that you want to protect.

For a organic approach, you can use Neem Oil

Japanese Beetles look for plant food and begin eating plants in June and July. If your plants are sprayed with repellent insecticides, the beetles are less likely to eat the plants and are encouraged to go the Japanese Beetle Traps. Without the repellent insecticide on the plants the trap may draw in more beetles than you actually trap. Simply put the traps may increase the population if used alone without the insecticide. After heavy rains it is advisable to retreat.

Photo: By Bruce Marlin via Wikimedia Commons

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  1. Tandem Insecticide

    Starting at: $125.50

    Tandem Insecticide combines two powerful active ingredients for two modes of action. Tandem Insecticide is formulated with thiamethoxam (neonicotinoid class) and lambda-cyhalothrin (pyrethroid family). These two active ingredients not only give you a quick kill, but provide a residual for long term control. This new product by Syngenta is also formulated with a patented iCap technology. This a technique that uses multiple sizes of micro capsules that protect the active ingredients from harsh environmental conditions, providing a long term controlled release for up to four months.

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  2. Bifen IT

    Starting at: $19.50

    Many customers use Bifen IT for mosquito control in their backyards. Mosquitoes feed on plant juices. You find them on the leaves of plants, bushes, and trees. Try to spray the underside of the leaves. Remember that Bifen IT is non-selective and will kill the good guys such as bees and butterflies so avoid spraying any flowering parts because that is where the bees go. We need to save the bees!!! The 3/4 gal size is the best value, but consider the one gal container because it has a tip and measurement device. The tip and measure makes life easier when mixing. Learn More

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