In New Jersey's bee world, the culprit hasn't been the well-publicized colony collapse disorder. The common denominator has been the varroa mite.
http://www.courierpostonline.com/ar...e-pests-plague-area-beehives?odyssey=nav|head
http://www.courierpostonline.com/ar...e-pests-plague-area-beehives?odyssey=nav|head