(Page 549) 



Black, finely haired, glistening, with dull head and pronotum; mouth, 



antennae and legs yellowish-red; the middle club-joint of the antennae 



often brownish. L. 3-4 mm. 



On sandy brinks, at brooks, and on the sides of sandy ditches and 



like places; distributed in this country and here and there sometimes in 



masses, but as a whole rare (Vendsyssel, Aalborg, Vosborj, xrejsdalen; 



at Lellinge river; Dynddalen in Bornholm). 



(Page 550) 



92. Jenus Platystethus Mannh, 



(Mannh, Brach. 46; Srichs. Kaf. IQc. Br. I, 585; Jen. Spec. Staph. 781; 

 Kraats Ins. D. II, 838; Muls. et F.ey Erevip. 1879, 13; ianglb. Kaf. M. II, 

 627. - Platystethus 4- Pyctocraerus Thorns. Skand. Col. III,. 122, 125). 



The body is oblong, flattish convex, on dorsal side not haired; head 

 porrect, large in the O smaller in the Q , posteriorly sometimes (in sub- 

 genus Pyctocraerus ) distinctly constricted, with proportionately small, 

 somewhat protruding, round eyes, and with rather short, distally thicken- 

 ed antennae, which are inserted under a boss anteriorly upon the side- 

 margin of forehead, and which after the thickened, somewhat scape-formed 

 first joint are somewhat geniculate. Corners of the clypeus are sometimes, 

 especially in the O , acutely, spine-f ormedly produced; mandibles are rath- 

 er short, armed with 2-3 robust teeth; maxillary palpal last joint subulate. 



Pronotum is at least as broad as elytra, somewhat separated from these, 

 transverse and posteriorly semicircular, inasmuch as the sides and poster- 

 ior margin are together arcuate, its fore-margin is at each side feebly 

 outcurved, the dorsum slightly convex, sharply middle-grooved. Scutellum, 



•36- 



