At 14:57 -0700 9/14/98, Adrian Wenner wrote:
 
Thanks for the great writeup!
 
>These commercial traps can become clogged with yellow jackets in a
>relatively short time during severe infestations, and then one must remove
>them.  The problem then arises that live wasps may still be inside and pose
>a threat.  In that case, one can place the trap in a freezer or an ice
>chest, wait until the cold immobilizes the wasps, empty the trap into a
>plastic bag, and keep tightly closed until they suffocate.
 
Or just submerse the traps in water. It only takes a couple of minutes to
drown a yellow jacket, and it rehydrates the bait so it starts stinking
again.
 
Paul