A light dusting with Seven dust will kill all the insects associated with the nest . Treat the entrance hole and over time , usually less than 24 hours , all will enter and die .
PS , you better have some protective equipment on .
Doubt this will work in your case but we used to get a spray can & spray it & light the sucker on fire & burn their lil wings off & then stomp um! Even if u get stung a few times... it only hurts a lil while!!! [ddd[ddd[ddd
I have used spider bombs on wasps, tape the can to a suitable length stick,
set it off and whack the stick in place so the c an sprays the nest and go inside before there is a swarm.