How do I get rid of Japanese Beetles/Asian Beetles. They are swarming us in the bathroom and kitchen windows. There are dead carcasses all over the counters. I was hoping someone could help!
Mary Ann from Center Junction, IA
Here's some information from University of Kentucky Entomology:
Not real encouraging but they atleast have some information.
In recent years commercial or homemade traps have become a popular means of trying to reduce beetle numbers. Commercially available traps attract the beetles with two types of baits. One mimics the scent of virgin female beetles and is highly attractive to males. The other bait is a sweet-smelling food-type lure that attracts both males and females. This combination is such a powerful and effective attractant that traps can draw in thousands of beetles in a day. Only a portion of the beetles attracted to traps are caught in them. Small number of traps in a home landscape can actually increase Japanese beetle problems rather than reduce them. Other control measures such as insecticide sprays and dusts may be needed to protect plants that are particularly attractive to the beetles.
Traps may be effective in reducing Japanese beetle problems if used throughout a neighborhood or in open areas well away from valuable plantings or vulnerable crops. In most home landscape situations, using 1 or 2 traps probably will do more harm than good.
Careful selection of plant species when replacing or adding to your landscape is the key to avoiding an annual battle with Japanese beetles. Certain common landscape plants are inevitably attacked and may be poor choices where this insect is abundant (Table 1)."
well i have lived in my condo since 2001. every spring i get lady bugs also known as a sort of beetle. i usually can kill about 5 a day and then see that there are maybe 10 to 15 around the house that have died that day. now this winter i keep getting them. i hear something between the blinds and the window and i think it is raining but lo and behold it is a ladybug. i have searched and tried all kinds of stuff. the one that was funniest but best. mix dish detergent and water in sprayer. spray all the windows on the outside. they supposedly dont like it. well i got very clean and so did the windows. i guess i got 2 or 3 less of beatles. but then you have to reapply this messy stuff. pluss i live upstairs so i cant get to all my windows.
Take a milk jug (narrow neck and big body) and half fill with water. Add a squirt of dish detergent, a tablespoon or so of vinegar and the same of sugar. The beetles will go for the sweet smell, get trapped in the soapy water and die inside the bottle, and you can pour it out and start over. Cheap and easy.
Cantate in Japan (where we don't have Japanese beetles; my mom has done this for years.)
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