There seems to be a ton of Japanese Beetles this year – these fat little buggers can really do a number on plant leaves – eating them leaving holes or just ragged parts of leaves. Spray is one option and I know folks who use Sevin and others but another option that does not involve spraying is to put up traps that are made just for them.
Personally, I use the Spectracide Bag-A-Bug Japanese Beetle Traps. I kind of fell into them years ago – I don’t even recall how. I think someone recommended them to me and I have used them ever since. They are very easy to assemble and definitely do the job.
The way it works is kind of interesting. You put the bait block on the trap and the rather clumsy beetles fly for the bait, hit the walls of the trap that are smooth and have nothing for them to grab onto and they fall down in the trap. Once in the trap, the walls are also smooth and they don’t have enough room to fly so they are stuck there and perish.
The Spectracide Japanese Beetle traps work great and I have no hesitation recommending them. I have read reviews/posts where people complain about the bag ripping but I am not sure why they had a challenge. I only have two recommendations – don’t put them in amongst the plants you care about because they will absolutely lure the beetles right where you don’t want them and the second is to make a couple tiny slits at the very bottom to help water drain out.
These traps definitely work and I hope this helps you save your plants!!
Note, Amazon sellers tend to be very expensive. EBay tends to have far better prices for these traps and accessories like bags and stands:
Photo source (#1) is By Beatriz Moisset – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=78747216
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