942 FAJriLY L. SCAPvAB ¥,ID.*:. 



(/(/. Elytrnl tubercles ()lll(lll^^ the front portion of each without hairs. 



1770. ASPKU. 



hh. Elytra \villi rows of luhcrclcs nuicii less distiucl, wholly without 

 hairs, 

 e. Sides of thorax uear the hiud angles rather deeply notelied ; ely- 

 tra not distinctly tuberculate. 1780. suberosus. 

 ee. Sides of thorax not or very feebly notched; elytra with well 

 marked rows of smooth tubercles. punctatus. 

 aa. Scutellum oval, never spear-shaped ; size smaller, not over 12 mm. 



/. Tip of presternum behind the front coxje not spiniform ; hairs of ely- 

 tral intervals, when present, in tufts, never in single row. 

 (J. Hind femora with a row of small spines along the hind margin ; 

 thorax with a median groove, limited on each side with an ob- 

 tuse ridge; elytral tubercles with erect setse or bristle-like hairs; 

 length 9-10 mm. 1781. tuberculatis. 



(/;/. Hind femora without spinules. 



//. Elytral tubercles with black setpe. 



/. Tubercles elevated, the setse erect, moderately long; length 

 6-7 mm. 1782. erinaceus. 



ii. Tubercles indistinct, setje very short; length 9-10 mm. 



1783. capillaris. 

 ///(. Elytral tubercles vi'ith reddish-brown or pale hairs or scales. 

 j. Elytra distinctly tuberculate ; thorax with well marked ridges. 

 k. Thorax sulcata at middle, the ridges straight or nearly so. 

 /. Elytral margins entire at base; length 10-12 mm. 



1784. UNISTRIATUS. 



//. Elytral margins crenulate or with small teeth at base; 

 length G-S mm. 1785. sordidus. 



/,/,-. Thorax with the median groove divided into two fovejTp or 

 pits, the ridges very sinuous; length 5 O nun. 

 m. Tubercles of elytra with erect brownish settle. 



1786. INSULARIS. 



mm. Tubercles with pale yellowish scale-like hairs. 



1787. terrestris. 



jj. Elytral tubercles very indistinct, being replaced by patches of 



setfe. 



ri. Front tibife without fine teeth above the tooth on side; tufts 



of sette on elytra of equal size in all the rows ; length 6 



6.5 mm. 1788. .equalis. 



Hw. Front tibia^ with fine teeth near the base; tufts of setse on 



elytra much smaller on the alternate rows; length 5-6 mm. 



1789. SCABER. 



//. Ti]) of prosternum spine-like behind the coxjie; elytral intervals with 

 a single row of short, erect setfe ; front tibijie bidentate on the outer 

 side and crenulate near the base. 1790. atrox. 



1777 (561.3). Trox scabrosus Beauv., Ins. Afr. et Amer., 1805, 175. 



Oblong-oval, robust. Dull blackish-brown or piceous ; labrum and mandi- 

 bles and basal joint of antennre clothed with stiff brown hairs. Thorax 

 with sides rounded, deei)ly and bi-oadly notch(>d near hind angles, tlie lat- 



