140 Journal New York Entomological Society. [voL v. 



apical spot, often a short transverse band in front of the middle and a narrow 

 line along the margin testaceous ; ihorax with the sides arcuate nearly to base, 

 sinuate in front of the liind angles, which are subrectangular and finely, 

 almost obsoletely, carinale ; legs rufo-testaceous. Length, .17-. 22 inch; 



4.25-5.5 mm constrictum. 



Convex, slender, v^ery elongate ; color nearly as in constrictum, the apex and 

 margin of the elytra more or less testaceous; thorax with the sides arcuate 

 to base, hind angles obtuse, not carinale; legs rufo-testaceous. Length, 

 .18-24 inch; 4.5-6 mm contractum. 



38. Thorax squarely truncate at base ; head alutaceous 39 



Thorax slightly obliquely truncate each side at base 41 



39. Hind angles of thorax rectangular ... 40 



Hind angles of thorax obtuse ; feebly convex; head and thorax viridi-ceneous 



elytra fuscous, with a humeral lunule, a transverse fascia behind the middle 

 and the apex testaceous; thorax with the sides arcuate to base ; elytra very 

 slightly wider than the thorax ; legs rufo-testaceous. Length, .16-. 18 inch; 

 4-4.5 mm Eeneicolle. 



40. Nigro-reneous ; elytra moderately deeply striate, marked nearly as in i^racili- 



fonite, the markings ill-defined ; head and thorax ratlier finely alutaceous ; 



legs varying from rufous to piceous. Length, .20-.24 inch; 5-6 mm. 



dentellum. 

 Brown bronze, elytra testaceous, marked somewhat as in coritattiin,\\\^ markings 



ill-defined and broader; head and thorax very distinctly alutaceous; legs 



rufo-lestaceous. Length, .'.7-. 19 inch ; 4.25-4.75 mm versutum. 



Nigro a;neous, elytra either testaceous variegated with black, or black variegated 



with testaceous, the markings well defined. 



Legs testaceous. Length, .14-. 19 inch ; 3.5-4.75 mm variegatum. 



Legs black or dark piceous. Length .13-. 16 inch ; 3.25-4 mm. . .nigripes. 



41. Head not alutaceous; form and color nearly as \Vi postfasciatum ; elytra without 



postscutellar depression, more finely striate, the stride not dilated at base, the 

 markings narrower and paler ; head and thorax bright viridi- or cupreo- 



ceneous ; legs testaceous. Length, .20- 23 inch ; 5-5.75 mm dorsale. 



Head alutaceous; broad, dilated; elytra more than one-half wider than the 

 thorax, deeply striate, the stria; dilated at base, with a transverse depression 

 behind the scutellum ; head and thorax cupreo-a;neous, elytra testaceous with 

 a small spot on the third interval about one-third from base, a transverse band 

 about the middle and another between this and the apex nearly black; 

 legs testaceous. Length, . 20-. 24 inch ; 5-6 mm postfasciatum. 



42. Thorax cordate, pedunculate or subpedunculate ; form moderately elongate ; hind 



angles of thorax not carinate ; elytral striae abbreviated behind 43 



Thorax cordate or subcordate, truncate at base 44 



43. Moderately convex, slender ; black, .slightly xneous, elytra with a subhumeral 



pale spot; thorax less than one-half wider than long; legs piceous or nearly 

 black, the tibice and tarsi usually paler. Length, .12-. 14 inch ; 3-3 5 mm. 



mutatum. 



Moderately convex ; brownish aeneous, elytra with a subhumeral spot and usually 



a small submarginal one behind the middle yellowish testaceous; thorax 



