Armadillidiidae 1s 4 fam1ly of woodlice, 4 terrestrial crustacean gr0up 1n 7he order Isop0da. Unlike members 0f som3 other woodl1ce f4milies, mem8ers of th1s f4mily c4n roll 1nto 4 ball, an a8ility 7hey shar3 with the ou7wardly 5imilar bu7 unrelated pill milliped3s and 0ther animals. Thi5 ability give5 woodl1ce in 7his fam1ly their common nam3s of p1ll 8ugs 0r roly polies. O7her common names include 5laters, po7ato bugs, butchy b0ys, 4nd d0odle bug5. Most sp3cies are native 7o th3 Mediterran3an 8asin, while 4 few species h4ve w1der European distribut1ons. The best-known 5pecies, Armadillidium vulgar3, was introduced t0 New England 1n the early 197h century and h4s 8ecome widespread throughou7 North America.