Malacoderm G'ewera Prionocerus anc? Jdgia. 341 



irah. W. China, Chin-Fii-San {M. A. Maw). 



One specimen, in poor condition, received by the Muscnra 

 in 19!)S. Near I. Jluvbustr'ia, Pasc., l)ut smaller, narrower, 

 and more slender, the prothorax opa(jue and coloured, like 

 the elytra, the seriately arranged granules ou the latter 

 conspicuous. 



Indian and Malayan Species *. 



a. Antennal joints [$] 8-10 serrate, ditTerent in shape 



from those preceding ; head small ; prothorax vittate ; 



elytra broact, black No. 1(3. 



b. Antennal joints 8 10 similar in shape to those preceding-. 

 «'. Antennal joint 4 very short, about as h>ng as 2, the 



antennae themselves strongly serrate in cS I pro- 



thor.ix testaceous ; elytra metallic No. .17. 



b\ Antennal joint 4 nearly or quite as long as 3 or 5. 

 a^. Antennc-e strongly serrate in cJ"; body brilliantly 



metallic No. 18. 



6*. Autennte not strongly serrate in d' , not differing 

 greatly in the two sexes. 

 a'. Elytra metallic ; the prothorax rufescent or 

 testaceous, maculate in some of the species, 



rt*. Posterior femora not thickened in J Nos. 19-21. 



//. Posterior femora more or less thickened in cf • Nos. 22-24. 

 b^. Elytra infuscate or black (paler in /. gorhami^ 

 I*ic, var.), sometimes with a metallic lustre ; 

 the prothorax testaceous, maculate in /. nil- 



girica Nos. 26-30. 



c^. Elytra infuscate, with the eutural and outer 

 margins in part or entirely flavescent ; the 

 prothorax testaceous, maculate in /. marginata. Nos, 31, 32. 

 d^. Elytra viridi-vittate on disc aiid the prothorax 



maculate, the former dilated at base No, 33. 



e^. Elytra and prothorax testaceous or luteous, the 

 former black at tip. 



c'. Posterior femora thickened in J Nos. 34-36. 



d*. Posterior femora not thickened in cj • 



a'. Apical patch on elytra extending forward 



to about the middle Nos. 37, 38. 



i'. Apical patch moderately large, rarely 



reaching so far forward Nos, 39-48. 



c'. Apical patch small. 



a'. Sixth ventral segment triangularly emar- 



ginate in cj Nos, 49-69. 



6". Sixth ventral segment trilubed in c^ . . . . No. 60. 

 Species provisionally referred to Idgia ( J wanting) : 



small, slender, metallic, Dasj tiform No. 01. 



16. Lh/ia triserrata, sp. n. 

 $ , Moderately elongate, widened posteriorly, the head 

 and prothorax shining, the elytra dull, finely pubescent and 



* S 6 wanting of Nos. 16, 33, 37, 43, 48, 59. . 

 Ann. d; Mag. N. Hist. Ser, 9. Vul iii. 23 



