Parks Talley has agreed to speak to about his swarm management practices and use of the double screen (snellgrove board). He spoke with us last year and inspired me to give it a try. Since then he has refined both his pratices and presentation. Many of us do not have the space to split all our hives 2 or 3 ways, and the Snelgrove method allows us to stop swarming, preserve our honey crop, and raise a few new queens in the process.
Following are a couple of resources available for those who are unfamiliar with Snelgrove (double screen) method of swarm management: