No. 2370. BEETLES OF THE TRIBE TILLINI -WOLCOTT. 285 



Elytral fascia narrow, angulate, narrower toward and interrupted at the 



suture aegra Wolcott. 



Elytra fascia broad not at all narrowed or interrupted at the suture 



delicatula Fall. 

 Antennal joints distinctly incrassate apically, outer joints slightly com- 

 pressed and subtriangular turbala Horn. 



Intervals near suture distinctly wider than the punctures. 

 Prothorax finely and sparsely punctate. 



Elytra uniformly yellowish testaceous pallida Schaeffer. 



Elytra pale yellowish, markings rather indistinct svbsiviilis Wolcott. 



Elytra pale reddish brown with an ante-median fascia narrowly in- 

 terrupted at the suture mitis Wolcott. 



Prothorax coarsely punctate. 



Elytra with a more or less complete pale fascia, prothorax closely 



punctate decipiens Fall. 



Elytra uniformly dark brown, prothorax not very closely punctate 



tmifonrtis Schaeffer. 

 Elytral intervals with erect hairs short, inconspicuous, not or but little longer than 

 remainder of pubescence. 



Elytra uniformly dark brown pubescens Wolcott. 



Elytra dark brown with an ante-median pale yellowish fascia always inter- 

 rupted at the suture schwarzi Wolcott. 



LONGICOR NIS group. 



Elytra brown sometimes testaceous in about basal half, head and thorax finely and 



sparsely punctate, ante-scutellar impression distinct longicornis LeConte. 



Elytra uniformly brown, head and thorax coarsely and densely punctate. 



Thorax one-half longer than wide, ante-scutellar impression wanting; antennal 

 joints two and three obconical; punctures of first lateral stria extending 

 nearly to apex, intervals slightly narrower than the punctures, .soror Wolcott. 

 Thorax nearly twice as long as wide at apex, ante-scutellar impression present but 

 feeble; antennal joints two and three conical; punctures of first lateral stria 

 scarsely attaining the middle, intervals as wide as the punctures. . torosa Wolcott. 



LATEFASCIA group. 



Elytra uniformly dark brown; metasternum densely, rather coarsely punctuate 



antennata Schaeffer. 



Elytra testaceous, usually darker at base, a broad pitchy black fascia behind the 



middle; metasternum sparsely, rather coarsely, not deeply punctate 



latefascia Schaeffer. 

 USTA group. 



Size larger (8.5-9.5 mm.); antennae with joints two and three together slightly longer 



than joint four; elytra, legs and abdomen uniformly pale brown usta LeConte. 



Size smaller (5.8-6.2 mm.). 



Robust; antennae with joints two and three together very slightly longer than 

 joint four; ante-scutellar impression present but feeble; elytral punctures coarse, 

 abruptly reduced in size behind the middle; intervals not wider than the 



punctures mystica Wolcott. 



Slender; antennae with joints two and three together not longer than joint four; 

 ante-scutellar impression wanting; elytral punctures fine, not abruptly reduced 

 in size; intervals three times as wide as punctures isabellae Wolcott. 



