dead bees poisoned or killed by bad weather. on a white background

dead mites empty dust disorder diseases decline collapse plagued honeycomb colony poisonous killed larvae modified neonicotinoid varroa nosema problems treatment texture swarm parasite insecticides space pesticides reaction toxic pest fungus genetically death honey honeybee acarapis allergic apiculture bee beehive health brood closeup copy dangerous dysentery family foulbrood frame viral chemically