Grumpy Old Geeks Topics Predatory firefly courtship signals Topic Predatory firefly courtship signals 2 mentions in 1 episode The hosts discuss female fireflies that mimic mating signals to attract and eat males. Mentions 167: Come and Knock On My Tor Jul 8, 2016 1:04:18 They're trying to get a response from females of their own species. 1:05:10 They mimic the flash signals that are normally used by females of their intended prey.