BY THE REV. T. BLACKBURN. 521 



G. Hind tarsi with 2nd joint decidedly- 

 longer than basal joint. 

 H. Basal joint of flabellum in female 



scai'cely half as long as 3rd joint... dubia, Blackb. 

 HH. Basal joint of flabellum in female 



very little shorter than 3rd joint... laminata, Blackb. 

 GG. Basal joint of hind tarsi equal to 2nd 



joint carinata, Blackb. 



FF. Disc of prothorax without well-defined 



puncturation .. forfis, Blackb. 



EE. Flabellum of antennse having less than 



5 joints in both sexes giga^itea, Burm. 



DD. Prothorax normal. 

 E. Pygidium not altogether laevigate and nitid. 

 F. Puncturation of head uniform. 

 G. Colour of upper surface more or less 

 ferruginous or testaceous. 

 H. Basal joint of hind tarsi shorter than 

 2nd joint. 



I. Species of normal form, — i.e., mode- 



rately ovate. 

 J. Flabellum 3-jointed in both sexes. 

 K. Pygidium nitid. 

 L. Elytral suture prominent at apex. 

 M. Hind angles of prothorax (viewed 



from above) well-defined pyqmoia, Blackb. 



MM. Hind angles of prothorax 



feeble, much rounded ofi" badia, Burm. 



LL. Elytral suture not prominent at 



apex pectoralis, TManch. 



KK. Pygidium opaque through pre- 

 sence of close and fine, but well 



defined puncturation destructor, Tepper. 



JJ. Flabellum 4-jointed in both sexes sinuaticollis, Blackb. 



II. Species of very short form much 



dilated behind obesa, Burm. 



