33O MEMOIRS ON THE COLEOPTERA 



tarsi throughout not quite so long. Length 26.5-28.5 mm.; width 

 13.0-14.5 mm. Arizona (probably southern). Two examples. 



pimalis n. sp. 



9 Pronotum with more or less evident erect hairs throughout the sur- 

 face 10 



Pronotum without erect hairs, except in some instances, a few medially 

 toward apex 16 



10 Elytral vittae very imperfect, narrow and much broken, somewhat 

 as in the preceding section; body of smaller size than usual; antennal 

 club feebly developed, not or but slightly longer than the head; 

 female not at hand 1 1 



Elytral vittae dense and even or very nearly so, as in the lo-lineata 

 section 14 



II Body very pale ferruginous in color, the vertex and abdomen black; 

 elytral scales binary in coloration, those of the vittae white, those of 

 the intervals pale yellow. Vertex strongly, closely punctate, with 

 dense whitish scales toward the eyes and with erect hairs; clypeus 

 rufous, feebly concave, the sides parallel and straight, the apex 

 transverse, slightly prominent medially, the angles right, slightly 

 blunt; surface strongly and closely punctate, with separated yellow 

 scales, which are smaller and dense anteriorly; last palpal joint 

 somewhat obtusely deflexed at tip and with a narrow flattened 

 external area; prothorax short, evidently more than twice as wide 

 as its median length, obtusely subprominent at the sides behind the 

 middle, the punctures rather coarse, sparse, each bearing a very 

 slender yellow scale, those of the entire median depressed line and 

 oblique sublateral vitta, in about basal half, whitish, those of the 

 latter sparser and yellowish apically; scutellum with dense whitish 

 scales along the middle; elytra two-fifths longer than wide, between 

 three and four times as long as the prothorax and a fourth wider, 

 the three narrow vittae of white and moderately dilated scales very 

 imperfect and only traceable on parts of the disk, the sulural dense 

 white line even; scales of the intervals sparse and very much finer 

 than those of the suture and vittae and yellow in color; general surface 

 rather rugose, very irregularly punctate and moderately shining; 

 pygidium as long as wide, with the sides unusually feebly converging, 

 the apex broadly rounded; surface convex, with a close-set mixture 

 of broader and narrower yellowish scales; middle tarsi about as 

 long as the tibiae. Length 23.0 mm.; width 10.7 mm. Oregon 

 (the single example is so marked but perhaps erroneously). 



opposita n. sp. 



Body very dark blackish-castaneous throughout, the elytral vestiture 



almost uniform in coloration 12 



12 Last palpal joint unusually short, only about twice as long as wide 

 and obtuse at tip, the narrow flattened area feebly defined and in- 

 distinct; pronotal punctures coarse and very remotely and unevenly 

 disposed. Body elongate, subcylindric, shining, the decumbent 

 vestiture sparse and white; vertex with strong punctures, widely 

 and unevenly separated toward the middle, with some erect hairs 

 and narrow whitish scales near the eyes, the clypeus even more 



