silurelt

A Middle English form of celure. maxilla of larva; 1,j, anal proce and antenna of same; m, one of the lateral proce es, more highly magnified. b, pupa; e, same, natural size; 1, anal proce of same. c, beetle; 4, anterior tarsus us of same. (Lines show natural sizes of a, b, c.) are rather large dark-colored beetles, often with a red or yellow pronotum, and are found under stones or in dark places, or about carrion, upon which they feed principally, although not exclusively. The genus is wide-spread, but contains le than 100 species, of which 10 inhabit the United States. S. opaca of Europe feeds to an injurious extent upon the leaves of the beet and mangel-wurzel. S. inæqualis is a North American species.