Question: what are roly polys called?
Answer: Armadillidiidae is a family of woodlice, a terrestrial crustacean group in the order Isopoda. ... This ability gives woodlice in this family their common names of pill bugsor roly polies. Other common names include slaters and doodle bugs. The best known species in the family is Armadillidium vulgare, the common pill bug.