AM ERICAN COLEOPTERA. 



89 



IV.— Mind tibia with a rudiment of a fourth ridge. 



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



Black, mouth and anterior feet pieeous; pubescence grayish-brown j thorax 

 with three black clouds: elytra with an undulated band before the middle 

 and a large oblong spot near tip, fuscous. 4 mm. ; Ills 56. scalaris. 



Blackish pieeous, more robust than usual, pubescence brownish: thorax with 

 three black spots; elytra with a curved band from humerus to suture, 

 a transverse band behind the middle, and another at tip. sericeous pubes- 

 cent. 2-2.5 mm.; United States 57. pubesceiis. 



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

 narrow limb and two oblique bands, prolonged backward near the suture. 

 connected by a line near the margin, and apex paler sericeous. 3—5 mm. ; 



„ , 58. biliamata. 



Pennsylvania 



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

 with a narrow limb and two very oblique bands yellowish sericeous. 

 2-3 mm. ; Middle and Southern States 59- Hturata. 



V.— Hind tibia with four short oblique parallel ridges. 



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



Fusco-testaceous; subcuneate; pubescence fulvous sericeous. 4-5 mm.: New 



„ r . „ i„„„j„ 60. fuscata. 



York. Pennsylvania 



First joint of hind tarsi with three, second and third each with two oblique ridges. 



Ferruginous; elytra black with the humeri indistinctly ferruginous; suture and 



margin narrowly pale sericeous. 5-6 mm. ; Pa., Tex 61. pityptera. 



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



Rufo-piceous ; mouth, antenna., legs and elytra paler ; pubescence fine ser.ee- 



a -Nutria 62. ruiescens. 



oils. 6 mm. ; Nevada 



First tarsal joint with a rudiment of a fifth ridge; all small and mdistmct; 



blackish pieeous; elytra with the humeri indistinctly ferruginous; an 



oblique band at base, an interrupted one behind middle and the suture. 



cinereous pubescent. 5 mm.; New York 63. ci.iereo-tasciata. 



Tibia and first tarsal joint with a rudiment of a fifth ridge; all indistinct; sub- 



cuneate; entirely black, pubescence gray. 4-5 mm.; Col. ..64. oMliiop*. 

 First joint of hind tarsi with four and a rudimentary fifth, second with three 



oblique ridges. „,.,*'■ 



Black, with sericeous pubescence; head, thorax and front legs ferruginous. 



' „ 65. Texana. 



5mm.; Texas . 



First joint of hind tarsi with/our. second and third each with three oblique r.dges. 

 Very slender, dark fuscous ; base of antennae, anterior and middle teet pieeous : 



pubescence brown sericeous. 3.5 mm 66. luBCO-atra. 



First joint of hind tarsi with>e, second with three oblique ridges. _ 



Black; pubescence of head and thorax with the suture and margin narrowly 



gray. 4.3 mm.; Illinois «. *«*«*«"»■ 



First joint of hind tarsi with Jive, second with three, third with too oblique ridges. 



Black; pubescence of head and thorax brownish, of elytra black. With the 



suture narrowly gray ; abdomen rufous varied with black. 5 nun. ; Ill.no.s. 



" 68. ruliveutris. 



First joint of hind tarsi with five, « nd with ./ ■, and third with three small 



oblique ridges. . . 



Very slender ; entirely black ; pubescence fine and dark. 5.8 mm. i Georgia. 

 - 69. augusta. 



july, 1882. 



TI1ANS. AMKIt. EST. S0C. 



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