Order:
                           Adults with hardened forewings (elytra) covering the hind wings. 
                     
                     
                        Family:
                           Elytra concealing entire abdomen. Hind coxae (first segment of the last leg) expanded into a broad, flat, plates, ventrally covering the first 2 or 3 abdominal segments and most of hind femora. Adult beetles > 3 mm long.