http://articles.extension.org:80/pages/71149/varroa-mites
Varroa mites (Varroa destructor) are the foremost pest of western honey bee colonies. They inhabit nearly every honey bee colony in most of the world, transmit deadly viruses, shorten bee lifespan, limit productivity, and cause severe economic damage every year. Maintaining Varroa populations in the hive below the economic threshold is a primary activity of beekeepers and eradication of the pest is unlikely any time soon. Below are articles that detail the life cycle and biology of varroa, monitoring and treatment options, selecting for resistant stock, and impact of varroacides in the hive…