Glossary
A hybrid between European honey bees (Apis mellifera ligustica and others) and the East African lowland honey bee (Apis mellifera scutellata), created through an accidental release in Brazil in 1957. Africanized bees are more defensive, swarm more frequently, and have spread throughout the Americas, including Florida.
In 1956, Brazilian geneticist Warwick Kerr imported queens of Apis mellifera scutellata from Tanzania, attempting to breed a bee better adapted to tropical conditions than the European bees struggling in Brazil's climate. In 1957, 26 swarms escaped quarantine. The African genetics proved dominant in hybrid crosses, and the resulting Africanized honey bees spread rapidly through South America, Central America, Mexico, and into the southern United States, arriving in Texas in 1990 and Florida by 2005.
Africanized bees are genetically almost identical to European honey bees and produce the same quality honey. The differences are behavioral: Defensive response: Africanized colonies respond to perceived threats with 3 to 10 times more stinging bees, pursue threats over longer distances (up to 1/4 mile vs. a few yards), and remain agitated longer after disturbance. Swarming: They swarm 5 to 12 times per year (vs. 1 to 2 for European bees), producing more colonies but smaller honey surpluses. Absconding: They abandon hives more readily when stressed. Colony size: Generally smaller than European colonies.
Africanized genetics have been detected in feral colonies throughout Florida since 2005. For managed beekeeping, the primary defense is regular requeening with certified European-genetics queens (Italian, Carniolan, or other gentle stocks) to maintain gentle colony temperament. The presence of Africanized genetics in the feral population makes swarm capture more unpredictable and reinforces the importance of working with known queen sources.
The individual sting of an Africanized bee is identical to a European honey bee sting (same venom, same pain level, same allergic risk). The danger comes from the colony's defensive behavior: more bees respond, they pursue farther, and they remain agitated longer. A mass stinging event from a highly defensive colony is a medical emergency requiring immediate retreat and calling 911.
No. Africanized and European honey bees are visually indistinguishable to the naked eye. Positive identification requires either morphometric analysis (measuring body part dimensions under microscope) or DNA testing. Behavioral assessment (extreme defensiveness, frequent swarming) provides field-level suspicion but not confirmation.
Keep Learning
Browse hundreds of terms covering honey, beekeeping, and natural skincare.