NORTH AMERICAN COLEOPTERA. 123 



liead and thorax, very deeply and remotely asperate ; sides straight, apex moder- 

 ately rounded ; abdomen rather long, pale yellow ; legs and antennse moderate, 

 pale yellow. 



Differs from others in tlie rounded sliape of the thorax, and in the 

 ••eneral scidpture. 



United States (Dr. LeConte). 



FTIMKL,I.ODRS. 



Matthews Trich. Illiist. p. laO. 1872. 

 AntenN/E 11 -jointed, long and very slender, each joint ornamented with 



a whorl of long setie, the three last moderately incrassate, forming an 



elongate moniliform club. 

 Head large, rather prominent. 



Pronotum moderate, dilated at the base $ , near the middle % . 

 PIlytra truncate. 



Abdomen rather long, with two short spines at the apex. 

 Mesosternum scarcely carinated. 



Metasternum short, extending to the sides of the body. 

 Venter 6 segments. 

 Posterior cox.« very remote, slightly laminated. 



P. lieContei Matthews. Trioh. Illust. p. IfiO, ls72.— L. e. 1 mm.— Oblong, 

 elongate, moderately convex, translucent yellow, sparingly clothed with short 

 golden hair; head large and prominent; eyes wanting % .or small and prominent 

 9 ; thorax moderate, rather longer, and wider than the head, widest near the 

 middle 'J, , or at the base 9 , alutaceous ornamented with minute, remote, equidis- 

 tant tubercles; sides broadly margined, much rounded in % , hinder angles acute 

 and moderately produced; elytra oblong, longer and rather narrower than the 

 head and thorax, remotely and faintly a.«i)erate ; sides nearly straight, apex 

 scarcely rounded; abdomen rather I0112;. 4 segments e.xposed, api<'al segment long, 

 with an acute tooth on eacli side at the apex ; legs and antennie very long and 

 slender, pale yellow. 



United States (Dr. LeConte). 



Matthews Ann. Lye. Nat. Hist. New York, 8, p. 40i(. 18(57. 



Body conic, widest in front. 



Ahdomkn very short, robust, !»-jointed. 1 and 2 very hirge, :^>-(i very 

 small (the third joint appears to be ;in ;iinalgamation of three joints), 

 7— '•> very large and much incrassate, forming an elongate club. 



Head small, deflexed, completely received in a cavity of the prothorax. 



Pronotum very large and very convex, circularly rounded in front, hinder 

 angles acute and .slightly produced. 



Ei.ytr.\ truncate, ^hort ;iiid inucli attenuated towards the apex. 



