How to kill Japanese beetles?
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Squishing them between finger and thumb. They used to be worse, I remember as a kid in the US that nothing ate them where we lived, but my brother tells me that various birds have added them to their diet, and over the past two years, they are getting hard to find.
So Squish them until the birds work out they can eat them. If you use chemical sprays on them, when the birds do try them, they get sick and remembering this, they don't eat them again and you have to wait for the next generation of birds to try to start eating them.
beetles is beetles, why put a "japanese" in front of it.. you damn racist
use chineese pans
just put it in your mouth
I knew an old women that went out in the garden every morning, picked them off, and dropped them in a coffee can filled with kerosene, arduous, but effective.
try this article ...
Best way is to eliminate the grubs in the soil, but once they are adults here are several suggestions.
Mechanical Control — Hand Removal. By monitoring adult activity, beetles arriving in your landscape can be detected and removed by hand before they attract additional beetles. Picking beetles from plants and dropping them in a bucket of soapy water early in the morning or late in the afternoon when they are less active and easier to grab may help reduce populations.
Cultural Control — Trapping. Traps that use both a floral lure and sex attractant are available for monitoring Japanese beetle adult activity. However, these traps are ineffective for managing beetles. I do not use this method as I feel it lures the beetles into your area. Let your neighbors use them. Just listed FYI only!
Cultural Control — Plant Selection. Japanese beetles have been documented to damage a wide range of landscape plants. By selecting resistant or less-preferred plant material, Japanese beetle infestations can be reduced and damage minimized. Table I lists some common landscape plants with known resistance or susceptibility to Japanese beetles.
Insecticidal Control. Adult Japanese beetles can be controlled through the use of several insecticide products. Sprays may be needed every five to10 days during periods of heavy adult activity. Insecticidal grub control in a residential lawn will not eliminate the potential for adult Japanese beetles in the landscape the following year. Adults can travel up to several miles to a food source and can move from untreated lawns.
Each U.S. state has its own regulations, but chemical control such as:
Chemicals for Adults:
Carbaryl
Malathion
Methoxychlor
Rotenone
Chemicals for Larvae:
Imidacloprid (Merit(TM) Insecticide for turf; Marathon(TM) for nursery use)
Bendiocarb
Isofenphos
Chlorpyrifos
Diazinon
is useful. Check in your local garden store. You can also try predators such as the wasp Tiphia Vernalis. Also try mechanical traps, which trap 75% of beetles that approach it. But with the traps, put them near the edges of your property, since it will attract a higher beetle concentration near that area. Good luck!
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