coEiziD.i;. 131 



triangular, short, convex, the central lobe broad and raised. Antennce 

 slender; 1st joint stout, subovate; 2nd, 3rd, and 4th in length sub- 

 equal ; the 4th thicker than the 3rd, fusiform. Eyes large, round, 

 prominent. Ocelli large, promiiient, distant. Eostrum slender, 

 reaching beyond the 2nd pair of coxse ; rostral channel short and 

 shallow, with the sides raised in front. 



Thorax. — Pronofum deflected, trapezoidal, slightly convex, ante- 

 rior margin narrower than the head, a transverse ridge in front just 

 within the anterior margin, and a fine raised line down the centre, 

 often indistinct ; hinder angles obtuse, raised, with a deep depres- 

 sion on the inner side extending to the posterior margin. Scutellum 

 short, triangular, the apex raised. 'Ehjtra as long as or longer than 

 the abdomen ; Coriwm, anterior margin straight ; posterior margin 

 straight, rounded into the anterior margin ; dist flat, more or less 

 transparent ; nerves rather strong ; Memhrane transparent, filled 

 with fine, straight, and anastomosing nerves, mostly arising from a 

 strong cross nerve at the base. Sternum with a rostral channel on 

 the ?neso- and metasternum; the posterior margin of the Metasternum 

 produced over the abdomen, at the sides lying alongside the base of 

 the Connexivum, and visible from above. Legs in length moderate ; 

 tliiglis somewhat incrassated, slender at the base ; tihicB and tarsi 

 slender, the 1st joint of the latter as long as the 2nd and 3rd 

 together. 



Abdomen above, flat, the last segment obtusely pointed or 

 rounded ; Connexivum wide, rounded, reflexed. Underside convex, 

 the last segment not so long as on the upper side. Genital segments 

 after death not visible, being retracted witliin the last abdominal 

 segment. 



Species 1. — Corizus crassicornis. 



CiMEX CKASsicoRNis, Liu. F. S. 952 (1761) ; S. N. i, 729, 92 (17C7). 

 LYG.15US — Fc/l^. E. S. iv, IGS, iU (179-1); UW, Ic- Ciin. 



145, fig. 140 (1804). 

 CoBEUs — Fab. S. R. 201, 40 (1803) ; Fall. Mon. Cim. 58, 5 



(1807) ; Pam. F. G. 92, IS. 

 Corizus — Fall. Hem. Suec. 41, 1 (1829) ; Zelt. F. Ins. Lap. i, 



467, 2 (1832) ; Burm. Handb. ii, 806, 4 (1835) ; 



Zeii. Ins. Lap. 261, 1 (1840) ; H. ScJif. Wanz. 



vi, 2 (1842) ; Kolen. Mel. Ent. ii, 61, 23 (1845) ; 



Sfal, K. Vet. Akad. Forh. 208, 3 (1862). 



