522 CLASS vni. 



separated from thorax by a neck. Elytra shorter than abdomen, 

 sometimes very short. Tarsi distinctly five-jointed. 



Sub-genera : Lymexylon FABR., Hyloccetus LATE,, Atractocerus 

 PALISOT-BEAUVOIS. 



Genus Cupes FABR, scarcely belongs here. 



Family LVIII. Serricornia s. Priocerata. Antennae mostly 

 short or moderate, more rarely incrassated towards the apex, filiform 

 or more slender at the apex, serrate or pectinate, especially in 

 males. Body elongate. Elytra mostly covering abdomen entirely. 

 Penultimate joint of tarsi often bilobed. 



I. Prosternum not produced anteriorly beyond the mouth, nor 

 mucronate posteriorly (with few exceptions). Body mostly soft, 

 flexible (Malacodermata LATR., Aprosterni WESTW.). 



Clerus GEOFFR. Palps, either all or at least labial, with last 

 joint truncated, mostly broad, obtrigonal or securiform. Mandibles 

 with apex acute, internal side emarginate or armed with another 

 tooth. Penultimate joint of tarsi bilobed, first in many very short 

 or indistinct. Head and thorax narrower than abdomen; head 

 posteriorly received in thorax. Antennas filiform or subserrate, in 

 many clavate, with three terminal joints thicker. 



Sub-genera : Enoplium LATR., Necrobia LATR., (Corynetes FAB*R.), 

 Laricobius ROSENHAUER, Clerus GEOFFR., LATR. (Trichodes FABR.) 

 Thanasimus LATR., Epiclines CHEVR., Opilo LATR. (Notoxus FABR. 

 not GEOFFR.), Eurypus KIRBY, AxinaKiRBY, TillusOLiv., Cylidrus 

 LATR. 



Sp. Clerus alvewrius, Trichodes alvearius FABK., PANZER Deutsckl. Ins. Heft 31, 

 Tab. 14, REA.UMUR Ins. vi. Tab. 8, figs. 9, 10, pp. 82, 83; the red larva 

 lives parasitically in the nests of wild bees (of the genus Osmid). Clerus 

 violaceus, Dermestes violaceus L., Necrobia violacea LATE., PANZER Deutschl. 

 Ins. Heft 5, Tab. 6, DUMER. Cons. gen. s. L Ins. PI. 17, fig. 4, &c. 



Pelocophora DEJ. 



Melyris FABR. Palps filiform, short. Mandibles emarginate 

 or bidentate at the apex, narrow, elongate. Thorax oblongo-quad- 

 rate, little convex or plane, covering the base alone of head. Joints 

 of tarsi entire ; claws unidentate or bordered internally at the base 

 by a membrane forming an appendage resembling a tooth. Body 

 oblong, with dorsum plane. Antennae filiform or serrate. 



