NATURAL SCIENCES OF PHILADELPHIA. 51 



Slightly cuneate, black, covered with dense brown pubescence ; head, front 

 legs and anterior half of thorax reddish yellow, -11 -12. Kansas. 



39. di visa Lee* 



c. Elytra with bands of sericeous pubescence; hind tibiae with a rudiment of 

 a 4th ridge ; first joint of tarsi with three, second with two ridges. 



Black, more robust than usual, pubescence brownish, thorax with three large 

 black spots, elytra gray sericeous, with a subbasal spot each side, and two 

 transverse bands black, -09. Middle and Southern States. 



40. pubescens {Fair.) 



Fusco-luteous, slender, thorax with three badly defined basal clouds, elytra 

 with narrow limb and two very oblique bands yellowish sericeous, -12. Middle 

 and Southern States 41. 1 i t u r a t a {Mels.) 



Black, slender, sides of thorax and legs piceo-testaceous ; elytra with very 

 narrow limb, and two oblique bands prolonged backwards near the suture, 

 connected by a line near the margin, and apex paler sericeous, "14. Pa. 



42. bihamata( Mels.) 



Black, mouth, antennae, front and middle legs and thorax ferruginous, the lat- 

 ter with a large dorsal, less pubescent black spot, elytra with a very narrow limb, 

 apex and two nearly transverse bands connected by a submarginal line pale 

 sericeous, -11 -14. Middle and Southern States. Varies with head and thorax 

 black, anterior thighs piceous 43. hebraica. 



Reddish dark testaceous, elytra dark fuscous, with a very narrow sutural 

 line, an oblique band from the humerus nearly to the suture, a transverse band 

 behind the middle reaching neither suture nor margin, and an entire transverse 

 band near the tip pale sericeous; (first joint of hind tarsi with a narrow rudi- 

 ment of a fourth ridge,) -12. Middle and Western States. 44. 1 e p o r i n a. 



| D. Hind tibiae with four oblique ridges besides the subapical one. 



a. First joint of hind tarsi with three, second with two oblique ridges. 

 Fusco-testaceous, subcuneate, pubescence fulvous, sericeous, -18. Pa. 



45. f us ca ta (Mels.) 



b. First joint of hind tarsi with three, second with two, third with two, all 

 the ridges very strongly marked. 



Ferruginous, elytra black, with the humeri indistinctly ferruginous, and the 

 suture and lateral margin narrowly pale sericeous, -23. Pa. 46. pityptera. 



c. First joint of hind tarsi with five, second with four, third with three small 

 oblique ridges. 



Very slender, entirely black, pubescence fine and dark, -23. Ga. 



47. an gu s t a. 

 E. Hind tibiae with five or six very small, oblique ridges. 



a. Head ferruginous ; elytra with a ferruginous stripe from the humerus to 

 within one-fifth of the apex ; body black; anterior legs ferruginous. 



Thorax ferruginous, with the anterior part black, -17. Pa. 



48. attenuata(%.) 

 Thorax entirely black, -20. Pa. . . . . . 49. v i tti ger a. 



b. Head black ; elytra not vittate. 



Black, pubescence sericeous brown ; elytra blackish, with a long basal spot 

 on each, an undulated band behind the middle, suture and tip paler sericeous, 

 14 -17. Middle and Southern States. ... 50. d i s c ol or {Mels.) 

 Black, pubescence grayish sericeous, slightly mottled, -16. Kansas. 



51. ae m ul a Lec.-f 

 Species unknown to me. 



Mordella nigripennis Fabr., Ent. Syst. Suppl. 127 ; Syst. El. 2, 123. 



* Coleopt. of Kansas snd Eastern New Mexico, (Smiths. Contr.) 17. 

 t Coleopt. of Kansas and New Mexico, (Smiths. Contr.) 16. 



1862.] 



