CORTICARIA. 497 



thorax closer and finer than in C. crenulata. L. \ 1. Com- 

 mon, C. denticulata, Gyll. 



2. Elytra not or only slightly broader than thorax. 



A A, Thorax broadest before middle, closely 

 punctured. 



a a. Elytra with closely punctured striae and 

 wi-inkled interstices. 



Elongate. Eust -brown ; elytra darker ; pubescence 

 scanty. Thorax somewhat broader than long, very closely 

 punctured, with a little depression before scutellum, sides 

 with very distinct fine sharp teeth ; elytra ratlier shiny. 

 L. I 1. Moderately common. C. s err at a, Payk. 



b b. Elytra with punctures in striae and inter- 

 stitial rows ecpially fine and so close that 

 the surface appears almost very delicately 

 transversely wrinkled. 



Similar to C. serrata, Ijut flatter and less oval, club of 

 antennae larger, thorax not quite so closely punctured, its 

 sides less rounded, with teeth finer beliind, elytra not so 

 distinctly pubescent, more finely punctured. L. f 1. Kich- 

 mond Park. C. oh s cur a, Bris. 



B B. Thorax broadest in middle, diffusely punc- 

 tured. 



Oblong. Eeddish-yellow-brown, feebly shiny, pulies- 

 cence scanty. Thorax with sides strongly rounded, indis- 

 tinctly notched, punctuation scattered but rather deep, de- 

 pression before scutellum feeble ; elytra witli rounded 

 shoulders, scarcely dilated, slightly convex, with strong 

 punctured striae, interstices indistinctly wrinkled, with 

 long, bristlelike hairs placed in rows. L. f 1. Moderately 

 common. C. cylindrica, Mann. 



II, Sides of thorax nearly straight. 



1, Thorax broadest before middle, 

 Eeddish-yellow-brown, with long, close pubescence. 



Thorax indistinctly notched at sides, closely punctured, 

 depression before scutellum rather deep ; elytra more than 

 double as broad in front as base of thorax, shoulders 

 rounded, with deep punctured striae, interstices indistinctly 

 wrinkled. L. 1 1. Moderately common. C. fulva, Chev. 



2. Thorax broadest in middle. 



K K 



