(Page .-^0) 

 Abdomen slightly tapering, strongly glistening, the transversal grooves 

 with robust and rather dense punctation, the joints elsewhere with more 

 scattered, and especially the hindmost also much finer punctation. L. 5- 

 7.5 mm. 



In the o^ the first free dorsal joint of abdomen posteriorly at middle 

 with a robust, obliquely hindward directed tooth, the second joint with 

 a corresponding small granule; the fifth free joint at middle before pos- 

 terior margin with a short transversal plica, and the dorsal side of the 

 sixth with granulated punctation. 



It varies considerably in size, and iii appearance somewhat i-esembles 



a Myrmedonia . It lives on forest ground under leaves and is most often 



found in company with roaming ants, namely Formica rufa , however also at 



outflowing tree-sap, occasionally in alluvium, is distributed throughout 



Middle Europe, but in this country is heretofore found only in southerjT. 



Jutland: Wadskov at S;e)nderborg V'l . "'ustnei) and later in Fredsted at Ra- 



derslev (7. 1907, J. Andersen). It may presumably also be found in other 



places within the region of our fauna. 



(Page 31) 



5. Subgenus Poly stoma Steph. 



23. A. grisea Kr. 



(Kraatz Ins. D. II. 96. Kote; I.'.uls. et Rey Br<^vlp. 1874, ]80; C;anglb. 

 Kaf. M. II, 45. - nitidula Ihoms. Skand. Col. IX, 216). 



"Within the subgenus this species is separated from the following two 



especially by the distinct though feeble gloss of forebody, and by the 



coarse and dense punctation of elytra. 



-35- 



