232 Mr. W. L. Distant on Dinidorin9&, 



Elasmostethus Lewisi, sp. n. 



Ochraceous ; pronotum, scutellum, and corium coarsely 

 and darkly punctate ; scutellum with a central cordate levi- 

 gate spot surrounded by castaneous shading, in which is a 

 short central dark lineate spot aT30ve and beneath ; extreme 

 apices of pronotal angles, apical margins or only angles of 

 corium, a small spot at base of membrane, and the apical 

 abdominal segmental angle black ; abdomen above reddish, 

 with its lateral margins ochraceous ; membrane hyaline, 

 slightly brownish on inner and outer margins. 



Antenna? ochraceous, second joint distinctly longer than 

 the third, apical joint somewhat infuscated ; head transversely 

 wrinkled ; pronotum with two transverse levigate callosities 

 on anterior area ; corium with the whole marginal area very 

 finely and concolorously punctate. 



Long. 8 millim. ; exp. pronot. angl. 4^ millim. 



Bab. Ceylon ; Punduloya (Atkins. Coll., Brit. Mus. ; 

 O. Lewis, Coll. Dist.); Nilgiri Hills; Utakamand (Brit. 

 Mus.). 



Elasmostethus delicatulus. 



Acanthosoma delicatula, Walk. Cat. llet. ii. p. 397. n. 24 (1867). 

 Mormidea erythrospila, Walk. loc. cit. iii. p. 555 (1868). 



Elasmostethus lineus. 

 Acanthosoma linea, Dall. List Hem. i. p. 308. n. 15 (1851). 



Elasmostethus emeritus. 



Cimex emeritus, Fabr. Syst. Ent. p. 705 (1775). 

 In Banksian Coll. (Brit. Mus.). 



Summarized Disposition of Walkers Genera and Species. 



Dinidorinae, Phyllocephalinae, Urolafoidinae, and 

 Acanthosominae. 



Genera considered valid. 



Enada, Walk. Cat. Het. iii. p. 485 (1868) (Tessaratomina). 

 Thalrna, Walk. loc. cit. p. 503. 

 Urusa, Walk. loc. cit. p. 504. 



Genera treated as synonymic. 



Erga, Walk. Cat. Het. iii. p. 485 (1868), = Geu. Axona, StSl. 

 Ucia, Walk. loc. cit. ii. p. 407 (1867), -Gen. Pancetius, St&l. 

 Ebora, Walk. loc. cit. iii. p. 415 (1868), =Gen. Notius, Dall. (Fentato- 



[mince, 

 Bessida, Walk. loc. cit. p. 577, =Gen. Gonopsis, Amy. & Serv. 



