BY REV, T. BLACKBURN. 183 



H. The postmedian marking of 

 the elytra consists of a large 



V-shaped black blotch lachesis, Stal. 



HH. Elytra not marked as H basicollis, Chp. 



GG. Elytra with a broad black 

 discal vitta reaching from the 



base nearly to the apex pulchella, Chp. 



PF. Elytra black with a testaceous 



(entire or interrupted) spot picturata, Chp. 



DD. Elytral puncturation much coarser 

 and deeper. 



B. Prothorax without defined markings perplexa, Chp. 

 EE. Prothorax with sharply limited 



black markings quadrizonata, Blkb. 



CC. Marginal part of elytra near apex not (or 

 scarcely) distinguishable from the discal 

 part. 



D. Elytra variegated with light and dark 

 colouring. 



E. The dark colouring not limited to the 

 suture and humeral callus. 



F. The puncturation of the elytra 

 runs evenly over the colours. 



G. Upper surface testaceous, with 

 darker markings. 



H. Prothorax without defined 



markings 7-ubiginosa, Chp. 



HH. Prothorax with two sliarply 



defined black spots nigropicta, Clk. 



GG. Upper surface black, with some 



reddish markings r uf opicta, Blackb. 



FF. The puncturation of the elytra 

 obsolete on the more lightly 

 coloured parts. 

 G. The lighter colouring of the 

 elytra takes the form of numer- 

 ous spots and blotches tigrina, Chp. 



GG. The lighter colouring takes 



the form of longitudinal vittiB eyrensis, Blackb. 



