The problem with EFB bacteria is that they are given some protection by the
cast larval cocoons and I am not sure how well the fumes penetrate.
Foundation is cheap enough, especially if you don't use full sheets.  Matches
are cheap too. Bees seem to get a boost from being on clean comb.
Concentrated acetic acid is strong stuff and will wreak havoc with metal
work.  Burning is the sure and simple solution.

Chris