one of the females had changed her code. First she flashed the proper sequence of dashes and dots, attracting a male of her species, and they mated. Then she flickered a different signal, and a male of a different species flew to her. Reading her message, the second male was convinced he’d found a willing female of his own kind and hovered above her to mate. But suddenly the female firefly reached up, grabbed him with her mouth, and ate him, chewing all six legs and both wings.
