PTINUS. 75 



hairs ; antennae and legs lighter. Thorax coarsely punc- 

 tured, with four tul jercles, the two inner ones pointed ; 

 elytra punctured in rows, L. 1| — 2 1. Scarce. 



P. germanus, Fab. 



&. Elytra marked with white. 



Brown ; forehead, scutellum, a large spot behind shoulder 

 of each elytron and another (usually double) before apex 

 white ; under-side with close gray- white pubescence. L. 

 1| 1. Not uncommon. P. sexijunctatus, Panz, 



2?. Elytra (at least of female) rounded at sides. 

 a. Elytra with white spots. 



I, Thorax with very fine central furrow. 



Black or dark brown ; scutellum white; elytra indis- 

 tinctly clouded and waved with white ; legs and antennae 

 red. Thorax very convex, with two indistinct teeth ; 

 elytra with striae. Abdomen of female inflated. L. 1^ — 

 If 1. Eather common. P. lichenum, Marsh. 



II, Thorax with strong central furrow at base. 



1, Elytra with a short, oblique line of points of 

 white hair at shoulder; sides rounded in both sexes. 



Brown or pitchy; antennae and legs lighter. Thorax 

 globular, constricted beliind, with four tubercles, the two 

 inner ones blunt, central furrow not shiny at bottom and 

 not fringed with white hairs at base ; elytra with strongly 

 punctured furrows, bristles longer than in P. far. L. 1 — 

 1\ 1. Eare. P. suhjjilosus, Miill. 



2. Elytra with two transverse bands of white hairs 

 (at least in female) ; in male almost cylindrical, 

 in female rounded at sides. 



Eed, red-brown or pitchy. Head with white hairs and a 

 feeble central furrow ; thorax strongly constricted before 

 base, sides with a little tooth behind middle, disc with four 

 tubercles, the two inner ones covered with oblong tufts of 

 yellow hairs, convergent behind, central furrow shiny at 

 bottom, fringed with white hairs at base ; elytra with punc- 

 tured striae. L. 1^ — 1| 1. Common. P. fur, Lin. 



6. Elytra unicolorous ; in male oblong, with parallel 

 sides, in female oblong oval. 



I. Thorax broader than long. 

 Eust-red ; antennae and legs lighter. Thorax almost 



