Attack Of The Africanized Killer Bee - Killer Bee Documentary - History TV
Africanized honey bees (also spelled Africanised honey bees), known colloquially as "killer bees", are a hybrid of the Western honey bee species (Apis mellifera), produced originally by cross-breeding of the African honey bee (A. m. scutellata), with various European honey bees such as the Italian bee A. m. ligustica and the Iberian bee A. m. iberiensis.
The Africanized honey bee was first introduced to Brazil in the 1950s in an effort to increase honey production; but, in 1957, 26 swarms accidentally escaped quarantine and, since then, have spread throughout South and Central America and arrived in North America in 1985. This species was discovered to have spread into the American Northwest in 2011.
Africanized killer bees react to disturbances ten times faster than European honey bees, and can chase a person a quarter of a mile; they have killed some 1,000 humans, with victims receiving ten times more stings than from European honey bees. They have also killed horses and other animals.
There are 28 recognized subspecies of Apis mellifera based largely on geographic variations. All subspecies are cross-fertile. Geographic isolation led to numerous local adaptations. These adaptations include brood cycles synchronized with the bloom period of local flora, forming a winter cluster in colder climates, migratory swarming in Africa, enhanced (long-distance) foraging behavior in desert areas, and numerous other inherited traits.
Read More: https://en.wikipedia.org/wiki/Africanized_bee
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