^42 FAMILY L. S C A 31 A B-JEipjE . 



dd. Elytra! tubercles oblong, the front portion of each without hairs. 



1779. ASPER, 



1)1). Elytra with rows of tubercles much less distinct, wholly without 

 hairs. 



e. Sides of thorax near the hind angles rather deeply notched ; 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. 



f. Tip of presternum behind the front coxae not spin i form ; hairs of ely- 

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

 g. 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 ; elytra! tubercles with erect setae or bristle-like hairs ; 

 length 9-10 mm. 1781. tuberculatum. 



gg. Hind femora without spinules. 



h. Elytral tubercles with black setse. 



i. Tubercles elevated, the setre erect, moderately long; length 

 6-7 mm. 1782. erinaceus. 



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



1783. CAPILLARIS. 



hJi. Elytral tubercles with reddish-brown or pale hairs or scales. 

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

 A'. Thorax sulcate at middle, the ridges straight or nearly so. 

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



17S4. ITNISTRIATUS. 



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

 length 6-8 mm. 1785. sordidus. 



Jclc. Thorax with the median groove divided into two foveas or 

 pits, the ridges very sinuous ; length 5-6 mm. 

 m. Tubercles of elytra with erect brownish setse. 



1786. INSULARIS. 



mm. Tubercles with pale yellowish scale-like hairs. 



1787. TERRESTRIS. 



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

 seta?. 



it. Front tibiae without fine teeth above the tooth on side; tufts 

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

 6.5 mm. 1788. .equalis. 



nn. Front tibise with fine teeth near the base; tufts of setse on 

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



1789. SCABER. 



//. Tip of prosternum spine-like behind the coxse ; elytral intervals with 

 a single row of short, erect setse ; front tibise bidentate on the outer 

 side and crenulate near the base. 1790. atrox. 



1777 (5613). 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 antennse clothed with stiff brown hairs. Thorax 

 with sides rounded, deeply and broadly notched near hind angles, the lat- 



