• Caption: Common Name: Pillbug, Scientific Name: Armadillidium vulgare, Size: 0.28” (0.7 cm) across, Scientist's Notes: AKA Roly Poly. Isopods in the family Armadillidae can roll into ball, Location: Hallett Nature Sanctuary, Central Park, New York City, Contact: David Liittschwager, Natural History Photography, 120 Parnassus Avenue #1, San Francisco, CA 94117, cell: 415 531 6882, email: liittschwager@mac.com