Homemade Bumble Bee Killer Habanera peppers steeped in hot water, blend, strain, put into a sprayer (wear protective eye wear b/c wind can blow it in your eyes/face). This mixture may be similar to capsacian - OC spray !
I saw this tip in "Country" magazine years ago and use it every year to trap yellow jackets and hornets. I have this one hanging in the grapevine. The yellow jackets like the apple juice better than the grapes.