Hi Mats,
To make your own swarm lures for traps. Take a dozen virgin queens and
purree (not old queens). Place the purree in alcohol. Use a dab in each
swarm trap as a lure. Old combs works well too. Add a new dab every month.
> -How big is the chance of "catching" a swarm this way?
Well you need swarms first. After that with a good lure you got about 60%
chance. Without a lure it diminishes quite a bit.
Clay