(Pase 423) 

 Key to the Species. 



1. Antennae entirely yellow. Head a little broader than lon^. L. 



4-4.5 mm 1. b. villosulus Steph. 



Antennae yellow only at base, elsewhere dark. Head as long as broad 

 or longer 2. 



2. Head as long as broad, square with slightly rounded-off temple- 



corners. L. 3. £-4. 5 mm 2. B. procerulus Iravh. 



Head as long as broad with strongly rounded-off temple-corners. 



1.. 4- -4. 5 mm 3. B. prollxus Erich s. 



(Page 424) 

 1. B. villosulus Steph. 



(Steph. 111. Brit. V, 251; 3anglb. Kef. K. II, 464. - elongatulus 

 SricE. Kaf. i.^k. Br. I, 479; 5en. Spec. Staph. 511; Kraatz Ir.s. C. II, 

 623; Thorns. Skand. Col. II, 168; Muls. et P.ey Brevip. 1877, 45C). 



Narrow, slender and of e^ual breadth, easily identified by the 

 color of the antennae. 



Jlistening black; head end pronotum vith very scattered, elytra 

 and abdomen with denser hair vestiture; elytra brown or pitch-brown, 

 often Vvith lighter posterior margin; antennae, mouth, and legs red- 

 dish-yellow. 



The head is as broad as or in the ^ even broader than pronotum, 

 distinctly broader than long, square, with slightly rounded-off temp- 

 le-corners, small eyes, rather long temples, and narrow neck, on si- 

 des rather robustly, or in the C3 coarsely, but not densely punctated, 

 at middle smooth; antennae rather robust, their next-last joints strong- 



• 162- 



