In her Roach lab, Proctor has at least gotten her small group of would-be entomologists to appreciate the value of these tiny bugs. “If one of their cockroaches die, they’re real sad about it ...

Hissing is also part of the cockroach's mating ritual, and can be used as an effective alarm cry. Most insects that make noise do so by rubbing their body parts together or by employing vibrating ...