What Methods Are Used To Control The Japanese Beetle

Acelepryn the active ingredient is chlorantraniliprole is relatively new in the market and is known to provide good control on japanese beetles as a foliar application.

When used in combination with milky spores nematodes can greatly reduce and control the japanese beetle population around your plants. Some of these control agents are commercially available and though they take longer to produce the same results as insecticides biological control agents last longer in the environment and have no adverse effect on the environment. A beneficial nematode heterorhabditis bacteriophora also works to control japanese beetle grubs. One way they suggest controlling the population is by catching them early on and destroying the ones you find so that they do not attract additional beetles through pheromones.

Pyrethrin based insecticide is a safe and effective way to control these pests on vegetables grapes raspberries flowers roses trees and shrubs. There are some plants that japanese beetles tend to gravitate to way more than others. Then you ll walk around your yard or garden and grab japanese beetles by the hand full. 2020 woodstream corporation.

Next you ll toss them into this soapy water. Adults generally emerge between early june and late august. Biological control agents such as parasites nematodes and fungi can be used to control japanese beetle populations. David shetlar along with ohio state university put out information on the ways to control the japanese beetle for both the adult and larval stages.

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A more selective control method against adult japanese beetles is a systemic insecticide named imidacloprid. It is less toxic to bees compared to standard insecticides containing active ingredients like carbaryl imidacloprid permethrin bifenthrin or malathion. The japanese beetles will not survive the cup of soapy water. Another naturally occurring bacteria bacillus thuringiensis japonensis btj may also be used to control japanese beetle grubs.

Btj destroys the grub s digestive system and ultimately kills the larva. Now this isn t a quick hands off fix but it will help you to battle japanese beetles effectively if you stay on top of your plants. Btj is applied to the soil and grubs ingest it.