The Hive Life. Exactly What Mite be the Problem?

It has been a busy couple of weeks in my apiaries as I have been catering to the needs of several newly established colonies, transferring nucleus colonies to full hives, feeding and pulling honey for extraction.  However, my most important task in late July was to monitor and treat for the most devastating threat to honeybees: Varroa destuctor, the varroa mite.