(Page 595) 

 broad as long, narrower than elytra, with almost linear or only feebly 

 emargined fore-margin, not rounded-off 4bre-corners, slightly rounded 

 sides, and rounded-of f-obtuseangqlar hind corners, its dorsum somewhat 

 convex and with upturned, set off side-margins, densely and rather coarse- 

 ly punctated, in middle-line most often distinctly grooved, back of the 

 groove with two oblique, often nearly obliterated impressions, and with 

 a fovea at middle of side-margin. Elytra are z\ times as long as prono- 

 tum, rather convex, posteriorly only feebly broadened, rather densely, 

 coarsely and more or less regularly rowed-punctated ; the uncovered ab- 

 dominal tip with especially fine and rather isolated punctation. L. 3 mm. 

 Distributed everywhere in North and Middle Europe, and common in 



(Page 596) 

 this country, on damp or semidamp ground under the plant-cover, at de- 

 cayed plants,. in alluvium, also at fungi; v. nigrum is found in N. Sjael- 

 land at Brede (5. 76 Koch, 1 specimen). 



Fig. 178. Lathrimaeum atrocephalum Jyllh. 



3. L. unicolor Marsh. 



(Marsh. Ent. Brit. I, 127; ianglb. Kaf. M. II, 722. - luteum Erichs. 

 Jen. Spec. Staph. 869; Kraatz Ins. D. II, 645; Thorns. Skand. Col. IX, 3i5; 

 Rey Bre'vip. 1880, 122). 



From atrocephalum , which it much resembles, it is most often separat- 

 ed by the color together with other details. 



Light reddish- or brownish-yellow, somewhat glistening and naked; the 

 head only a little darker than the rest of the body; antennae toward tip 

 pitch-brown, their base, also the legs reddish-yellow or yellow. 



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