; class Insecta, order Coleoptera)
Family of dull, pubescent, highly convex beetles, 1.5–10 mm long. The antennae are clubbed. When disturbed, the legs are withdrawn completely into grooves on the under side of the abdomen. Larvae are fat and cylindrical, with a large, broad prothorax, and a pair of retractable false legs on the terminal segment. Larvae are found among roots and in moss. There are 270 species.
Subjects: Zoology and Animal Sciences.