Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. The roly-poly, or pill bug, is a terrestrial crustacean that looks ...

Roly-poly bugs, also known as pillbugs, are one of the more beloved “bugs.” Found under rocks and in moist areas inside and outside the home, these little nocturnal crustaceans are known for their ...