CIS. 85 



a. Thorax not bordered at base. 



J. Elytra rugulose, with large punctures. 



Pitch-black, brown or yellow-brown ; antennae and legs 

 rust-red. Closely covered with extremely short hairs ; 

 thorax rather uneven, anterior margin raised and sinuate, 

 side margin broadly separate, with a line raised line near it, 

 base not bordered ; elytra very finely and closely punctured, 

 with an admixture of larger punctures, forming more or 

 less distinct rows toward base. L. 1 — If 1. Common. 



G. holeti, Scop. 



IT. Elytra rugulose, without large punctures. 



Nearly cylindrical. Pitch-black ; closely covered with 

 short, shiny pubescence ; antennae and legs pale-brown or 

 rust-red. Thorax transverse, anterior margin raised and 

 sinuate, sides broadly bordered ; base not bordered. L. If 1. 

 Rare. G. rugulosus, Mell. 



I), Thorax bordered at base. 



Nearly cylindrical. Pitch-black, strewn with golden- 

 yellow scale-lilce hairs ; antennae and legs pale-brown or 

 rust-red. Thorax transverse, very uneven, ridged, anterior 

 margin raised, lateral border narrower than in G. rugulosiis 

 and more strongly bristly ; elytra rugulose, witliout large 

 punctures. L. If 1. Eather common. 



G. villosulus, Marsh. 

 -B. Thorax even. 



a. Elytra very finely punctured in wrinkles, without 

 rows of punctures. 



Pitch-brown ; antennae and legs lighter ; pubescence 

 very short, shiny, yellow. Thorax sinuate in front, finely 

 bordered at sides and behind. L. 1 1. Common. 



G. micans, Herbst. 



b. Elytra punctured in wrinkles, with rows of punctures. 

 J, Thorax bordered behind. 



Pitch-black or pitch-brown ; antennae and legs yellow- 

 brown, evenly and closely covered with very short, stiff 

 hairs. Thorax slightly sinuate in front, finely bordered at 

 sides and behind ; rows of punctures on elytra feeble but 

 distinct in front. L. 1 1. Not common. 



C. hispidus, Payk. 



