Pete from Exton, Pa writes
I've been applying Delta dust in to nests that are behind my vinyl siding for the past two weeks. The bees seem to be getting worse. I thought Delta dust was so good because bees that had it on them would bring it into the nest and infect other bees and killing the nest. This does not seem to be the case and I want my money back.
The Delta Dust will work on any type of bee, but they may be further up in the void than the dust is reaching. Or they may have another exit point you can't see at the moment, or just a large colony in general. You can give it a few more weeks or potentially try a transfer spray like Phantom Aerosol which is a very slow kill but gets carried through the nest through touch a little better, in this case. Flying insects are also harder to kill with dusts as they have to crawl through the area it is has been applied to pick it up and be effected, hence why you may not see results right away.
https://www.domyown.com/phantom-ii-aerosol-spray-p-1212.html
Answer last updated on: 08/22/2022
