(Page 626) 



121. Oenus Protelnus Latr. 



(Latr. Precis Car. gen. Ins. 1796. 9; Erichs. Kaf. Mk. Br. I, 642; 

 Jen. Spec. Staph. 902; Kraatz Ins. D. II, 1022; Thorns. Skand. Col. Ill, 

 217; Muls. et Rey Brevip. 1878, 218; ianglb. Kaf. U. II, 757). 



The body is short, oval, rather convex; the head small, much narrower 

 than pronotum, constricted behind, without temples, with rather large, pro- 

 truding eyes and without ocelli on the vertex, forehead above antennal base 

 slightly impressed; antennae short, their first joints thick, the middle 

 ones small, the two-three next-last transverse, and in connection with the 

 large rounded distal joint forming a distinct club; maxillary palpi short, 

 their second joint thickened, the third short, distal joint styliform and 

 thinner, as long as the two preceding joints together. 



Pronotum is broad, posteriorly a little narrower than elytra, narrow- 

 ing anteriorly, with slightly rounded sides, rounded off fore-corners and 



rectangular hind corners, -- (Page 627)- convex, without middle-groove; 



elytra rather convex, proportionately long, covering the greater part of 

 abdomen, which is short, roundly tapering, with upturned side-margins; the 

 first ventral joint of abdomen at middle with a small carina or boss, which 

 however often is indistinct, lhe legs are short, tibiae not spiniferous, 

 tarsi 5-jointed, first joint of hind tarsi rather elongate, as long as 

 the claw-joint. 



The species live in fungi; of 5 known middle European only 3 are found 

 in Denmark. 



Key to Species. 

 1. Posterior margin of pronotum especially finely, yet (suitably magnified' 



-83- 



