>>> I counted 24 hr stickies yesterday >>for a 2-week post follow up. Mite levels were down to about 10-15. What was the count pre-treatment? It was a 3-day "count" post first OA dribble. I don't count--I just separate colonies by a triage system. Low mites (about 15 or less--potential breeder; medium mites (maybe 100--will need another shot); and colonies with >100 (take to home yard to give special attention to. >> I have a high percentage of VSH stock, and most have low mite >>levels, but the occasional colony is sky high! Do you think that these might have raised their own queens, and aren't your VSH queens? Could be; could also be that the queens did not mate with enough resistant drones. -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---