Africanized Honey Bees

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Africanized Honey Bees Facts

  • Venom of Africanized honey bees is no stronger than that of other bees but they often attack in greater numbers and with more intensity.
  • They see dark colors as threats.
  • Bees tend to sting heads and hands more often.

Bee Photos

What Are Africanized Honey Bees?

Africanized honey bees don’t look any different than European honey bees, but the evil twins of our most important pollinator have killed over 1,000 people since their escape in 1957, stinging ten times more per victim than European bees. More aggressive than your average honey bee, Africanized bees are more easily provoked, attack in larger groups at ten times the speed of European bees and can chase humans as far as a half mile.

Although Africanized bees were found in Kerr’s experiment to produce more honey when bred with European honey bees, Africanized bees’ temperaments pose problems for beekeepers and US apiculture as a whole. While bees aren’t known to attack without provocation, Africanized honey bees react faster and with more much force than European honey bees. Also, Africanized bees’ venom is no more potent than other bees, as is commonly believed but because these bees attack in greater numbers, with more intensity than other honey bees, pursuing their attackers for a long distance, Africanized bees gained the reputation of “killer bees.”

The US first encountered Africanized bees in the 1990s. Generally, Africanized bee colonies are contained to southwestern states, plus Tennessee and South Florida. However, global warming poses threats to northern states as Africanized bees, swarming more often and readily interbreeding with native bee species, cause experts to believe rising winter temperatures could allow Africanized bees to establish colonies in the Northern Pacific and Midwest regions of the United States.

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