University of California - Berkeley Dec 24 2024 In the continual arms race between parasites and their hosts, innovation was thought to be the key to a successful attack or defense that one-ups the competition. But sometimes, as in the corporate world, outright theft can be a quicker way to achieve dominance. University of California, Berkeley biologists have shown that several species of fruit fly have stolen a successful defense from bacteria to survive predation by parasitic wasps, which in