522 CLASS VIII. 
separated from thorax by a neck. Elytra shorter than abdomen, 
sometimes very short. ‘Tarsi distinctly five-jomted. 
Sub-genera: Lymeaxylon Faxr., Hylocetus Latr., Atractocerus 
Paisot-BEAUVOIS. 
Genus Cupes Far. scarcely belongs here. 
Family LVIII. Serricornia s. Priocerata. Antenne 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. Antenne filiform or subserrate, in 
many clavate, with three terminal joints thicker. 
Sub-genera: Hnopliwm Latr., Necrobia Latr., (Corynetes Fasr.), 
Laricobius RoseNHAvER, Clerus Grorrr., Later. (Z'richodes Farr.) 
Thanasimus Latr., Epiclines CuEvr., Opilo Larr. (Notoxus Farr. 
not Gxorrr.), Hurypus Kirpy, Avina Kirpy, Tillus Oxtv., Cylidrus 
Latr. 
Sp. Clerus alvearius, Trichodes alvearius FABR., PANZER Deutschl. Ins. Heft 31, 
Tab. 14, R&auMUR Jns. vi. Tab. 8, figs. 9, 10, pp. 82, 83; the red larva 
lives parasitically in the nests of wild bees (of the genus Osmia).—Clerus 
violaceus, Dermestes violaceus L., Necrobia violacea LATR., PANZER Deutschl. 
Ins. Heft 5, Tab. 6, Dumar. Cons. gén. s. l. Ins. Pl. 17, fig. 4, &e. 
Pelocophora Dus. 
Melyris Fapr. 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. Antenne filiform or serrate. 
