Pest Manag Sci. 2013 Apr;69(4):542-52. doi: 10.1002/ps.3411. Epub 2012 Oct 19
Lesson learned: Wasps do not like peppermint and/or lemongrass! I will continue to spray every couple of weeks just to keep them away from building nests.
The best wasp/yellowjacket repellant for summer picnics: 2 ounces of mint extract
The recipes I found as vile pest repellents were the essential oil in water (P. Allen. the spray I would have several dozen red wasps and yellow jackets crawling .
Natural wasp repellent and hornet repellent methods using traps and sprays. Get rid of hornets and wasps using essential oils and household products.. Yellow jacket wasps feed their young liquefied insects, with caterpillars, flies and .