SYCAxus. ;J53 



fourth, and fifth segments with a distinct tuberculous elevation on 

 upper surface, posterior angles of second and third segments 

 moi'e or less acute. 



Length '22 to 25 millim. 



Hah. Burma ; Eangoon {Blmjliam), Karenuee, 8ch\vegoo-Myo 

 {Fea). — Hainan Island {CoU. Dist.). China. 



c. Apical tliird of cor'mm stramineous or ochraceous. 



1266. Sycanus affinis, Rent. Act. Soc. Sc. i'('/»^xii, p. 285 ^1881). 



Black, ])osterior lobe of pronotum sometimes piceous ; about 

 apical third of corium (excluding posterior angle) and basal margin 

 of membrane very narrowly stramineous or ochraceous ; membrane 

 bronzy ; rostrum with the second and third joints castaneous ; 

 head about as long as pronotum and scutellum together ; antenna? 

 unicolorous, first joint a little shorter than anterior femora ; 

 scutellar spine long, a little obliquely erect, its apex bitid ; 

 abdominal margins dilated, especially the third and fourth segments, 

 posterior angle of second segment acute, margins of tliird and 

 fourth convex. 



Length 24 to 26 millim. 



Hah, Assam; Margherita (Z>o7«er<y), Sadiya. Darjeeling (/S'/o(7.- 

 holm Mus.). 3Ialabar, Trivandrum {Coll. Dist.). 



d. Apical margin of corium ochraceous. 



1267. Sycanus bifidus, Fabr. (lleduvius) Mant. 7«.s. ii,p. 312 (1787) ; 



id. (Zelus) ^"Syst. Bhyiu/. p. 28o (1803) ; Westtv. (Ilarpactor) w 

 Don. his. China, p. -jO, pi. xxi, f. ;j (1842) ; Dohrn, Stcff. cut. 

 Zeit. XX, p. 97 (18o!>) ; Stal, En. Hem. iv, p. 28 (1874). 

 Stall, Pun. f. 275. 



Head, corium, abdomen and legs shining bluish-black, pronotum 

 and sternum piceous ; apical margins of corium and basal margins 

 of membrane reddish-ochraceous ; membrane bronzy-brown ; con- 

 nexivum unspotted. The antenna) (which are absent from the 

 specimen examined) are stated by Dohrn to be annulated with 

 ferrugineous. Head as long as pronotum and scutellum ; pronotum 

 granulate ; spine of scutellum long, obliquely erect, its apex 

 strongly bifid ; abdomen laterally dilated, especially the third and 

 fourth segments ; posterior angles of the second and third segments 

 more or less acute. 



Length 21 to 22 millim. 



Hah. Bengal. — Also recorded from China and Java. 



b. Pronotum hlaclc, with the hasal margins ochraceous. 



1268. Sycanus semimarginatus, Walk. Cat. Het. viii, p. 85 (1873). 



Head, antenna), and rostrum black ; base of first joint of 

 antenna) and apex of rostrum castaneous ; pronotum and sternum 

 piceous, the first with the posterior lateral and basal margins 



