Africanized honey bees attack more aggressively than their European cousins ... one of European origin and one descended from an African subspecies. Haploid drones from the hybrid queen were ...

These bees are a hybrid between African and European honeybees ... "Many victims of Africanized honeybee attacks have suffered from hundreds of stings, and a few have been stung several thousand ...

Coordinated defensive manoeuvres enable African bees to better fend off these attacks. In 1957 around 20 colonies of the new Africanised bees escaped captivity in Brazil. They established new colonies ...