Johan Calis wrote: > For a few years on a row we use a self-developed trapping comb method with > drone brood, which is removed from the colony after capping together with the > trapped mites. The trick of this method is that you manage drone brood > production and let this drone brood trap mites in otherwise broodless > colonies e.g. during swarmprevention methods. This year we wrote a manual for > this method (in Dutch) and give a course to interrested bee-keepers. This is interesting. Most biotechnical methods of varroa control tend to be labour-intensive. If your method is integrated with swarm control (another labour-intensive operation) it would seem to have the potential for little extra work beyond what would have been required just for swarm control. Could you tell us more? -- Malcolm Roe Phone : +44 1442 345104 Crosfield Electronics Ltd Fax : +44 1442 343000 Hemel Hempstead, Herts. HP2 7RH, UK E-mail : [log in to unmask] ------------------------------------------------------------------------