a honeybee, Apis mellifera adansonii, native to Africa, that is extremely aggressive and attacks in swarms when disturbed: brought to Brazil and accidentally released there in 1956.
an American hybrid of the African and European honeybees produced by the mingling of domesticated European colonies with an expanding and migrating African colony that escaped from an apiary in Brazil.
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Origin of killer bee
First recorded in 1975
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for killer bee
an African honeybee, or one of its hybrids originating in Brazil, that is extremely aggressive when disturbed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012