A swarm of “killer bees” attacked and killed a 70-year-old Texas man as he was mowing his lawn, but a firefighter saved the man’s wife by throwing off his own protective gear and putting it on her. Africanized honey bees are called killer bees and differ greatly from the typically docile honey bees that feed on nectar and pollen from local flowers and gardens. Killer Bees' bees are a 1950s-era hybrid of the East African lowland honey bee crossed with various European honey bees to increase honey production. ‘Killer Bees’ Swarm Likely Riled By Lawnmower Kills Texas Man (msn.com)