MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) on comb with one with deformed wing virus (transmitted by Varroa destructor mites) and group of four participating in food exchange, captive.

MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) on brood comb, with new hatchlings which are paler in colour. Adults include one with Varroa mite (Varroa destructor) - a red patch on central bees thorax, and one...