>> Do any of you know of evidence that may support (or not) the notion that >> the first crossing of un-related, low-aggression lines often results in >> high aggression, which then dissappears (regardless of selection) in >> subsequent generations. > Mike, I read that the original German bees were not really mean but that it was the crosses with Italian bees in the mid 1800s that turned out mean. Adrian *************************************************************** * Adrian Wenner E-Mail [log in to unmask] * * Department of Biology Office Phone (805) 893-2838 * * University of California Lab Phone (805) 893-2838 * * Santa Barbara, CA 93106 FAX (805) 893-4724 * ***************************************************************