Like an insect version of Genghis Khan, the fierce Brazilian bees are coming. Millions of them are swarming northward from the Amazon basin at the rate of 200 miles a year, liquidating passive colonies of native bees in their path, quick to sting—and sometimes kill—any unwary animal or person. At their present rate they will conquer all of South America in the next ten years, and start to invade Central America. Unless stopped by man, the bees will eventually invade Mexico and the southern U.S.
Ironically, it was man who loosed the troublesome bee in the first place. In 1956 Warwick Kerr,...