Found an example of insect infowar: Male cicada broadcasts sound-1. Female ACKS with a click emitted at a fixed time wrt sound-1. The pair then switch to another frequency channel, complete another handshake, and then mate. "The researchers learned that courting males will give an interference buzz to keep other males from crowding in the romantic moment" Sci News 24 2000 Cicada Subtleties p 408-410
