236 



CICHSTDELIDJi:. 



b* . Colour black ; pronotum more 

 slender, strongly striate trans- 

 versely ; punctuation of elytra 



very coarse saundersi, Chaud., p. 259. 



B. Antennas not strongly thickened 



towards apex. 

 a. Antennas long - or very long - , filiform 

 to the end ; pronotum very long 

 and narrow, densely and regularly 

 plicate transversely. 

 a*. Size much larger : length 19- 

 20 mm. 



af. Frontal excavation broader, with 

 distinct striae behind the eyes : 

 metasternum finely and closely 

 punctured in the middle ; 

 punctuation of elytra less 



coarse andreivesi, \\ . Horn, p. 270. 



bf. Frontal excavation much 

 narrower, without striae behind 

 the eyes ; metasternum im- 

 punctate; punctuation of elytra 



very coarse plicaticollis, Chaud., p. 270. 



5*. Size much smaller ; length 



14 mm nilgirica, sp. n. §, p. 260. 



Antennae seldom quite filiform to 

 the end; pronotum shorter and, 

 at least on basal half, broader, 

 and not densely plicate trans- 

 versely. 



a*. Pronotum more dilated behind 

 and much less contracted in 



front ; body very stout crassicollis, Chaud.. p. 259. 



6*. Pronotum less dilated behind ; 

 body less stout, sometimes 

 rather elongate. 

 <t\. Pronotum cylindrical, without 



well-developed collum saphyrina, Chaud., p. 2-57. 



/>f. Pronotum with well-developed 

 collum. 



aX- Base of elytra strongly punc- 

 tured ; antennae long insignis, Chaud., p. 258. 



b %. Base of elytra finely punctured ; 



antennas shorter smaragdina^S 7 . Horn, p. 258. 



Colour, as a rule, brassy, bronze, or 

 coppery, shining || ; pronotum dilated 

 behind but without very distinct 

 collum ; elytra very strongly 

 punctured in the middle, sparingly 



towards base orichalcina, W. Horn. p. 263. 



§ As regards size tin's species ought to belong to the preceding section, but 

 in other respects it agrees better with members of this section ; it must be 

 regarded therefore as exceptional ; it was added after the table was drawn up. 



!| Dr. Horn tells me that he has specimens from Yunnan, which are 

 cyaneous blue, but I have not seen or heard of an Indian specimen of this 

 colour. 



