SEBJETHE. 



335 



Body not parallel-sided; pronotum with- 

 out ill-defined depressions 14. 



14. Longer insects (5 mm.) : colour pale [p. 396. 



brown S. immaculata, Jac, 



Smaller insects (4 mm.), more ovate ; 

 colour obscure brown S. intermedia, Jac, p. 396. 



15. Suture with a piceous stripe, narrowed 



behind and not extending- to the apex. . S. suturalis, Jac, p. 397. 

 Suture without any such stripe 16. 



16. Pronotum with a mixture of finer and 



coarser punctures, the former closer, the 



latter sparse S. ceylonensis, Jac, p. 397. 



Pronotum with no such arrangement of 

 punctures 17. 



17. Body not less than 5 mm. in length, 



generally 6 mm. , 18. 



Body always less than 5 mm. in length. . 21. 



18. Upper side brownish-yellow 19. 



Upper side darker brown or fawn- 

 coloured 20. 



19. Colour richer; elytral punctures stronger; 



elytra more nearly parallel-sided ; an- 

 tennae entirely brown S. lychnites, sp. n., p. 398. 



Colour paler ; elytral punctures feeble ; 

 elytra more widened behind ; antennae 



black, except the two basal segments, [p. 399. 



which are brown S. montivaga, sp. n., 



20. Colour fawn-brown ; antennae more slen- 



der, piceous ; the third segment dis- [p. 399. 



tinctly shorter than the fourth S. andamanica, sp. n., 



Colour clear brown ; basal segments 

 brown, the rest black ; the third segment 



only slightly shorter than the fourth . . S. brevicollis, Jac, p. 400. 



21. Antennae entirely brown, elytra red- 



brown S. ccenotes, sp. n., p. 401. 



Antennae not entirely brown, elytra not 

 red-brown 22. 



22. Elytra strongly punctate 23. 



Elytra extremely finely punctate 24. 



23. Body parallel-sided ; pronotum less than 



twice as broad as long S. neelys, sp. n., p. 401. 



Body with sides more rounded ; pro- 

 notum more transverse, about twice as 



broad as long S, patkaia, sp. n., p. 402. 



24. Body oblong, parallel-sided ; pale brown- 



yellow ; antennae hardly reaching the 

 middle of the elytra; apices of posterior 



femora fuscous above S. pingala, sp. n., p. 402. 



Body with the sides rounded, dark 

 brown ; antennae reaching the middle 

 of the elytra ; apices of posterior femora 

 not fuscous above 25. 



25. Smaller insects (3fmm. long), reddish- 



brown ; tarsi always black ; first seg- 

 ment of front and middle tarsi in the 



male dilated . S. nigritarsis, Jac, p. 403. 



TOL. II. 2 O 



