(Page 84) 

 ^ated and rather evenly broad, its first four free dorsal joints strong- 

 ly depressed at base, the first three ventral joints impressed at base; 

 legs long, all tarsi 5-jointed; first joint of middle-tarsi hardly as 

 long as the two following joints together, first joint of hind tarsi near- 

 ly as long as the three following joints together, quite as long as the 

 claw-joint. Visible sex-characters do not appear. 



The species live on damp ground under the plant cover, but are also 

 found with ants. In Middle and North Europe 2 species occur. 



Key to the Species. 



1. Pronotum as coarsely punctated as head and elytra. L. 4-5.5 mm 



1. I. ni^-^ricollis Payk. 



Pronotum much more finely punctated than head and elytra. L. 4-5 mm.. 



2. I. propinquus A ube. 



1. I. ni^ricollis Payk. 



(rayk. Fn. Suec. Ill, 400; Krichs. K4if. Mk. Br. I, 302; ien. Spec. Staph. 

 64; Kraatz Ins. D. II, 134; Thoms. Skand. Col. II, 304; I'mIs. et Pey Erevip. 

 1874, 4S2; ianglb. Kaf. M. II, 101). 



Identifiable by trie very dense, all over equally coarse punctation of 

 the forebody and due thereto very feeble or dull gloss. 



Rather narrov, and elongate, finely and sparsejy haired; head and pro- 

 notum dull; elytra feebly, abdomen rather strongly glistening. In mature 

 animals heaa ana pronotum are black, elytra brownish-red, abdomen pitch- 

 brown, its tip and posterior margin of its joints lighter, antennae and 

 legs yellowish-red. In teneral specimens the head and pronotum are brown, 

 elytra yellowish-red, abdomen brownish-rud, 



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