(Page 6E) 

 long, narrowing anteriorly with slightly rounded sides and nearly round- 

 ed off hind corners, dorsum slightly convex, without impressions; elytra 

 as long as pronotum, occasionally a little longer than this, very finely 

 densely punctated, their posterior margin inside the outer corners flat- 

 ly incurved; abdomen rather evenly broad, only narrowing posteriorly, very 

 finely, and anteriorly also very densely punctated, posteriorly somewhat 

 less densely punctated, glistening, but not silky, its sides feebly brist- 

 le-haired. L. 2-2.5 mm. 



It occurs commonly and often numerously in the mounds with Formica 

 rufa and pratensis , but is also found singly under leaves, bark and in 

 alluvium; is distributed throughout the entire Europe. 



25. 0. amoena Fairm. 



(Falrm. Fn. Fr. I, 436; Muls. et Rey Drevip. 1874, 357; 3anglb. KSf. 

 :jI. II, 75. - flavicornis Kraatz Ins. D. II, 185; Thorns. Skand. Col. Ill, 25), 



Compared with haemorrhoa , to which amoena is closely allied, this is 

 easily identified by the entirely yellowish-red, distally very strongly 

 thickened antennae, and also by the very dense punctation and dull gloss 

 of the body. 



Narrow, elongate and of even breadth, very finely, densely haired, mo- 

 dulated or. dull shine; pitch-i-rown or lighter brown; tip of abdomen reddish- 

 yellow and the posterior margins of its Joints reddish; elytra sometimes 

 brownish-red; antennae ana legs rcssish-yellow. 



Forebody particularly densely and very finely punctated; antennae (Fig. 

 21) short, peculiarly strongly thickened distally, much more robust than 



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