You can kill insects with soap and water

Get an empty spray bottle, fill it with Dawn dish soap a little bit maybe like a near half way, and then fill the rest with water.

Insects breathe through their bodies not their mouths, so when you spray them with soapy water, it clogs their breathing mechanism and suffocates them. You can do this with wasps spiders, stink bugs, and I'm pretty sure this would also work on lantern flies.

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4meAndyou · F

Yes...that's an organic gardening tip I used to follow. Supposedly it kills Japanese beetles.

However, ANOTHER tip, which was kind of gross...was to put loads of dead Japanese beetles in a jar of water, and let them marinate, and THEN use that water to spray your flowers or plants.

As far as I could tell, neither method really worked very well. The soapy water ruined my Impatiens, and the marinated beetle juice just seemed to attract MORE of them.