(Page 522) 



54. St. crassus Steph. 



(Staph. 111. Brit. V, 287; Janglb. Kaf. li. II, 582. - ni^ritulus 

 Erichs. Kaf. Mk. Br. I, 559; Jen. Spec. Staph. 719; Kraatz Ins. E. II, 

 775. - crassiventris Thorns. Ofv. Vet. Ac. Forh. 1857, 229; Skand Col. 

 II, 226; Rey Bre'vip. 1884, 164). 



A species varying in size, and often with remarkable thick, short 

 abdomen, otherwise within the subgenus identified by narrow head and 

 abdominal f our-carinated foremost free dorsal joint. 



Black, rather glistening, very fine, short, whitish haired; first 

 joint of maxillary palpi yellow. 



The head is hardly broader than pronotum, distinctly narrower than 

 elytra, robustly and very densely punctated, with almost flat forehead, 

 and two very feeble, broad forehead-grooves, separated by a very feeble 

 interval, which often is finely carinated in the middle-line, antennae 

 short; pronotum broadest before the middle, distinctly narrower than 

 elytra, hardly as broad as long, narrowing posteriorly, with robust and 

 very dense punctation, without impressions and without groove in middle- 

 line; elytra somewhat longer than pronotum, with equally robust, but 



(Page 523) 

 hardly as dense punctation as this, anteriorly a little uneven; abdomen 

 round, often thick, with rather fine, and not dense or deep, posteriorly 

 finer punctation, its first three free dorsal joints at base with four 

 short carinae, and the sides often very finely marginated; tarsi short 

 and simple. L. 3-3. 5mm. 



In the O ••nich ordinarily is larger and more robust ther. <3\ especial- 

 ly the abdomen is remarkably thicker than in this; in the u the abdominal 



-85- 



