Robin asked: > Peter's 120 hives seems to offer a good sample for testing the theory that > just a few hives at random can suddenly show abnormal high Varooa > infestation (due probably to robbing an infected colony) , if all the hives > are individually monitored? Can I ask if they are? As I said in my posting, around 15% are - and I have no plans to increase this. Peter Edwards [log in to unmask] www.stratford-upon-avon.freeserve.co.uk/ :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::