Careers; Our Brands; Scotts Miracle-Gro; Resources. Control efforts need to address both adult and larval populations through an approach that integrates the following methods: Make it your morning and late evening ritual to handpick Japanese beetles from your plants if you can reach them. Sevin Dust. If all else fails, look towards eradicating their young larva or grubs, which eventually become Japanese beetles. Read more. Great for use on plants intended for aesthetic purposes or climatic modification & being grown in interior plantscapes, ornamental gardens, or lawn & grounds. These traps use a pheromone lure to attract male beetles, which interrupts the breeding cycle.

How to Control Japanese Beetles.

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A: Japanese beetles are scarab beetles, a family of beetles that tends to appear in early June and last a couple months.

Japanese beetle adults are brightly coloured with a metallic green thorax and head and coppery bronze wing cases (elytra), oval in shape, and vary from 8 to 11 mm in length, and 5 to 7 mm in width (Figs 1 & 2). Japanese Beetle Q & A.

To fight Japanese beetles at the grub stage as well as adults, Sevin ® Insect Killer Granules works above and below the surface to kill beetle larvae along with more than 100 other insect pests. Japanese Beetle (JB) Adult Japanese Beetles start to emerge in early summer.

Japanese beetle season is upon us or almost upon us, depending on where you live. But truthfully, after losing my harvests a couple of years in a row because of Japanese Beetles, I have been known to throw in my organic towel and pull out the Sevin Dust. The Japanese beetle (Popillia japonica) is a species of scarab beetle.The adult measures 15 mm (0.6 in) in length and 10 mm (0.4 in) in width, has iridescent copper-colored elytra and a green thorax and head.

Then, drop them into a bucket of soapy water rather than using a Japanese beetle spray. Both are natural bacteria that target grubs and eradicate future problems with Japanese beetle …

The problem with these… This is not to be confused with other types of nematodes (yes they are like dogs with many different species) so getting the right one is key as nematodes are reared for attacking specific grubs or pests. How to Get Rid of Japanese Beetles 1.
They chew grass roots, causing the turf to brown and die.

On foliage they eat the tissue between the veins, this is called skeletonizing.

The Japanese beetle, as the name certainly implies, is native to Japan. Only the nematode heterorhabditis bacteriophora is effective in Japanese beetle grub control.

Japanese beetles feed on the leaves, flowers or fruit of more than 300 species of plants. Not that Japanese beetles (Popilia japonica) are found everywhere, but they are spreading throughout both Europe and North America and chances are that, if your garden isn’t presently under attack, it will be one day soon.

Here are a few common Q & A Japanese beetle facts to help you understand how to control these pests better. Conditions of Use While Japanese beetles are known to feed on many plant species avoiding their favourites can help keep them away.


During these hours, the beetles are less alert and slow. Japanese Beetle Traps don’t really work because they tend to lure in more beetles they can handle.

Japanese beetles are an invasive species.

Q: What are Japanese beetles? If Japanese beetle infestations are light, the safest and most inexpensive route to killing the beetles is to pick them off the plants by hand. By using soapy water, you are sure that each beetle has been dealt with.