Jim Shoemaker wrote on a Yellow Jacket Trap.
>I was concerned that some of my weaker colonies might be attacked so I
>made a few traps.  I used buckets with tight lids or jars or whatever and
>by T & E (trial and error) discovered that a 16D sinker nail would allow
>the YW's to enter buy not the bees.  I baited with some old honey that I
>diluted.  The bees somehow get too much of the mixture on them and very few
>make it out of the trap.  I assume that almost anyting sweet would work.
>I assume a wetting agent mixed with the dilute honey would made it
>even better.
 
I remember my grandmother making the same thing, but the bait was jam (in
American- jelly) mixed with water. It attracted the wasps but was ignored by
the honey bees, the wasps couldn't find their way out and drowned!!
 
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