On Wed, 20 Apr 1994, Paul van Westendorp 576-5600 Fax: 576-5652 wrote: > research done by Tibor Szabo in the early eighties. Drones with free > access to other colonies, coupled with their 'high motivation' (ie. sex > drive) and physical ability to fly fast and far, are overwhelming likely > playing a critical role as vectors of Varroa. I guess this could provide the selection pressure for the reported preference that the mites have for drone brood. If they infect the drones, they have a better chance of being spread to other hives. Isn't evolution wonderful? Rick Bodishbaugh