ENOPLIUM. INSECTS. 271 



Gen. ENOPLIUM, Lat. Tillus, Oliv. 



Penult joint of the tarsi much smaller than the preceding, with- 

 out lobes ; palpi almost equal, terminated by a larger and 

 truncated joint, the three last more or less dilated, and the 

 last elongated or oval ; thorax subquadrate. 



E. serraticornis, Lat. Body long, cylindrical, black, except the 

 elytra, which are yellowish brown. Inhabits France and Italy, 

 on flowers Lat. Hist. ix. pi. 76, fig. 9. 



Gen. CYLIDRUS, Lat. Trichodes, Fab. 



Tarsi with five joints ; antennae strongly serrated from the fifth 

 joint ; last joint of the palpi long ; mandibles long and cros- 

 sed ; head long, and body cylindrical. 



C. cyaneus, Lat. Shining azure blue, with the feet and abdomen 

 reddish brown. Inhabits Isle of. France Nouv. Diet. ix. 44. 



TRIBE VII. XYLOTROGI. 



Body long, narrow and linear ; head rounded or globular, free, 

 with distinct neck ; mandibles short, thick, and dentated ; 

 antennae filiform, or tapering at the end ; tarsi filiform, the 

 last joint rarely bilobed ; elytra sometimes very short. 



I. Four posterior tarsi long and very slender ; antennas a little widened towards the 

 middle, and tapering to the end ; maxillary palpi much larger than the labial 

 ones, pendant, pectinated, or tufted in the males, and terminated in the females 

 by a large ovoid joint ; body much elongated, cylindrico-linear ; elytra very short 

 in some. 



Gen. ATRACTOCERUS, HYLECXETUS, LYMEXYLOX. 



II. Antennae of medium size and thickness throughout ; palpi very short, slightly 

 or not projecting, similar in both sexes, and with simple joints. 



Gen. CUPES, RHYSODES. 



Gen. ATRACTOCERUS, Lat. Lymexylon, Fab. 

 Antennae simple, fusiform ; maxillary palpi long, of four joints, 

 pectinated and bsarded on the sides ; posterior palpi shorter, 

 and of three joints, the last large and oval ; elytra short and 

 notched. 



A. necydaloides, Lat. Head and thorax fuscous, with a yellow line 

 on the thorax. Inhabits Africa, in wood Lat. Hist. ix. 137- 



Gen. HvLECffiTus, Lat. Lymexylon, Fab. 

 Antennae serrated, uniform ; thorax broader than long ; elytra 

 covering all the abdomen. 



H. dermestoides, Lat. Pale yellow, with the eyes and breast black. 

 Inhabits Europe. Lat. Hist. ix. pi. 76, tig. 4. 



Gen. LYMEXYLON, Lat. Cantharis, Lin. 

 Maxillary palpi thicker than the labial, pendant, tufted in the 

 males ; antennae simple or fusiform, the middle joints largest ; 

 tarsi entire. 



