8 E. T. Atkinson — Notes on Indian Rhyncliota. [No. 1, 



Halys serricollis, Westwood, Hope, Cat. Hem. i, p. 23 (1837). 



Halys dentata, Fabr,, Syst. Rhyng. p. 180 (1803) ; Herr. SchafP. Wanz. Ins. vii, 

 p. 60, t. 233, f. 724 (1844) ; Dallas, List Hem. i, p. 187 (1851) ; Walker, Cat. Het, 

 i, p. 230(1867) ; Stal, En. Hem. v, p. 45 (1876) ; Distant, A. M. N. H. (5 s.) iii, p. 45 

 (1879). 



Body cinereous and varied with black : head porrect, unidentate on 

 each side : pronotum spinose and with four small teeth on the margin : 

 abdomen beneath canaliculate {Fabr.). Antennae 5-jointed, fuscoas, 

 first joint short, stout, rest rufescent at the apex : head, pronotum, 

 scutellum, hemelytra and pectus, greyish, with numerous fuscous or 

 black points and longitudinal lines : head with a small tooth on each 

 side before the fuscous eyes, and two small, flexuose, longitudinal, 

 fuscous lines on the apex ; ocelli distant ; rostrum 4-jointed, fuscous, 

 greyish at the base, almost as long as the body, second joint curved : 

 pronotum unequal anteriorly, margin (especially the antero-lateral) ser- 

 rulate, the posterior angles obtusely spinose, transversely impressed in 

 the middle : scutellum as long as half the abdomen, apicnlate, with two 

 small impressed lines in the middle, and other black longitudinal lines, 

 also many impressed fuscous points : hemelytra with many impressed 

 fuscous points and black spots forming abreviated bands ; beneath paler : 

 membrane flavescent adorned with black denticulated lines : wings 

 fuliginous, with a fuscous spot at the apex : abdomen above, fuscous, 

 variegated black ; beneath fuscous, shining, very finely impressly 

 punctured, a median longitudinal impressed line from the rostrum, entire 

 to the anus : all the feet unarmed, punctured fuscous ; tibiae angulate 

 {Wolff.). Vars. (a), pronotum with two black longitudinal streaks : 

 .(?)), teeth on the side of the head, obsolete: (c), colour paler. Long, 

 19-23 mill. 



Reported from China, Japan, Assam, Bombay, Tranquebar. The 

 Indian Museum possesses specimens from Arakan, Assam, Sikkim 

 (mihi), Calcutta (mihi), Allahabad, Bombay, Madras. Very variable in 

 size and colour. 



Genus CEsTOPis, Distant. 

 A. M. N. H. (5 s.) iii, p. 48 (1879). 



Ovate depressed, head triangular, juga much longer than the tylus, 

 meeting beyond it, but divided at the apex : antennas 4-jointed ; first 

 joint robust, not quite reaching the apex of the head ; second joint a 

 little shorter than the third ; 3 and 4 subequal ; the last somewhat 

 thickened : rostrum reaching the posterior coxae ; apical joint longest : 

 pronotum a little longer than the head, about twice as broad as long, 

 the lateral margins denticulated, the lateral angles prominent ; it is 



