Michael D Breed & David J C Fletcher 
african Honey Bee [PDF ebook] 

This book is the first review of the scientific literature on the Africanized honey bee. The African subspecies Apis mellifera scutellata (formerly adansonii) was introduced into South America in 1956 with the intent of cross-breeding it with other subspecies of bees already present in Brazil to obtain a honey bee better adapted to tropical conditions. Shortly after its introduction, some of the African stock became established in the feral population around Sao Paulo, Brazil, and spread rapidly through Brazil. It has since migrated through most of the neotropics, displacing and/or hybridizing with the previously imported subspecies of honey bees. Africanized bees have been stereotype d as having high rates of swarming and absconding, rapid colony growth, and fierce defensivebehavior. As they have spread through the neotropics they have interacted with the human population, disrupting apiculture and urban activities when high levels of defensive behavior are expressed.