(Paje 437) 

 the head is distinctly oviform, that the surface of pronotum is enti- 

 rely smooth, not transversally acioulated, and that it sides is with 

 less smoothly scattered punctation, but the punctures often partly 

 arranged in an anteriorly curved, more or less confused or broken row. 

 L. 7-10 mm. 



In the o the posterior margin of the abdominal sixth free dorsal 

 joint truncate with lonj hairs in margin, and at middle with a more 

 or less distinct, , obtuse-angular incision. In tricolor and linearis 

 the posterior margin is more straight than in the Q , but without in- 

 cision or longer marginal hairs. 



Distributed in Middle Europe, and in this country more frequent 

 than the preceding species; under leaves in woods^ and often in com- 

 pany with ants, especially Lasius fuliginosus and formica rufa . 



IC. X. linearis Oliv. 



(Oliv. Ent. Ill, 42; Erichs. Kaf. \h\. Br. I, 42o; :Jen. Spec. Staph. 

 332; Kraatz Ins. D. II, 641; Muls. at Fey Erevip. 1877, 70; Janglb. 

 Kaf. M. II, 484. - multipunctatus Thorns. Scand. Col. II, 191). 



A narrow, elongate ana uniformly broad species, which in relation 

 to the precedin'j species is identified especially by the more oblong 

 form of the head, pronotal punctation and (suitably magnified) as a 

 rule distinct transversal aciculation. 



Black or pitch-black, glistening, finely and sparcely haired; the 

 thorax in the imago with feeble metal reflexion; elytra pitch-black or 

 pitch-brown, occasionally yellowish-brown; antennae, mouth-parts, and 

 legs brownish or yellowish red. 



-187- 



