Honey bee colony losses: Why are honey bees disappearing?

The Western honey bee (Apis mellifera L., Hymenoptera: Apidae) is a species of crucial economic, agricultural and environmental importance.In the last ten years, some regions world have suffered from significant reduction colonies. In fact, losses are not an unusual phenomenon, but in many countries worldwide there has been notable decrease families. cases USA, European countries, Middle East received considerable attention, mostly due to absence easily identifiable cause.It difficult determine main factors leading colony because bees’ diverse social behavior. Moreover, their daily routine, they make contact with agents environment exposed plethora human activities consequences. Nevertheless, number different considered be contributing losses, recent investigations established most important ones, particular, pests diseases, management, including keeping practices breeding, change climatic conditions, practices, use pesticides. global picture highlights ectoparasitic mite Varroa destructor as major factor loss. Last least, microsporidian parasites, mainly Nosema ceranae, also contribute problem.Thus, it obvious that involved globally. Increased monitoring scientific research should throw new light on losses.This review focuses which found impact increase losses.