3io MEMOIRS ON THE COLEOPTERA 



extreme geographic variant, but a cursory examination of the 

 anterior tibiae will show a remarkable difference in the dentition, 

 which, taken in connection with the more elongate form of body 

 and certain other differences, such as the maculation of the scutel- 

 lum, can leave no doubt of its specific nature. The elytra in rufo- 

 brunnea always have series of distinct punctures, but those of inda 

 may or may not have the punctures, the difference between the 

 distinctly punctate and wholly impunctate condition often being 

 very striking; this is a mode of variation sometimes observable 

 in Cotinis. 



Group III. 

 Subgenus Haplophoria nov. 



This group differs from any other in which the antennal club is 

 decidedly different in the sexes, in having the two discal costae of 

 each elytron very strongly elevated, conspicuous and unusually 

 approximate, except in astuosa, which is also aberrant other- 

 wise. The base of the pronotum medially is also more evenly 

 rounded than in any other, for in the two groups succeeding this 

 there is usually a feeble though rather indefinitely limited sinus, 

 as there is occasionally in the present group. The anterior tibiae 

 are nearly similar in the sexes, as a general rule, the two lower teeth 

 long, subspiniform and much more widely separated than the two 

 upper teeth, the uppermost always small and feebly developed. 

 The species may be defined as follows : 



Elytra with the costae conspicuously strong and elevated 2 



Elytra with the costae feeble 10 



2 Under surface black, the abdomen and legs wholly testaceous 3 



Under surface and legs black throughout 5 



3 Last joint of the maxillary palpi long and slender, longer than the 

 first antennal joint; hind tarsi stout, as long as the tibiae in the male. 

 Body oblong-subrhombiform, slightly convex, rather shining above 

 and beneath; elytra with short sparse hairs; color pale reddish- 

 yellow, the sutural region, spots on the first costa and a spot on the 

 humeral and subapical umbo, black; head black, strongly punctate, 

 densely so and pubescent on the front, the clypeal margins pale, the 

 apical margin narrowly reflexed and with a gradually cusp-like sinus 

 at the middle; prothorax fully a third wider than long, the sides 

 straight and feebly converging to slightly beyond the middle, then 

 more convergent to the apex; disk black, with an offset at the sides, 

 and divided by a pale vitta which is subinterrupted near the apex; 

 base and sides pale; punctures rather coarse, deep and close-set, 



