(Pa^-e 232) 

 Black, finely ^ray-haired, somewhat glistening; forebody with steel 

 blue gloss; antennae and knees pitch-bronn or reddish-brown; tarsi red- 

 dish-yellow. 



The body dorsally very densely and very finely punctated; the head 

 porrect, about as broad as pronotum, somewhat constricted behind, at mid- 

 dle rather flat, often grooved (^); the antennae rather long, feebly 

 thickened distally, their third Joint as long as the second, the middle 



(Page 233) 



ones longer than broad, the next-last as long as broad (j^) or a little 

 longer than broad (^). Pronotum is somewhat narrower than elytra, as 

 long as broad, distinctly narrowing posteriorly, with anteriorly rounded 

 sides, slightly convex, most often with a small fovea posteriorly before 

 the scutellum, and a more or less distinct longitudinal groove in middle- 

 line; elytra''/? longer than pronotum; abdomen evenly broad, its first three 

 free dorsal joints atrantfLy traQsverise^grooyed depressed «1 base. L. 3.5-4 mm. 

 In the ^ the grooves of head and pronotum are more distinct then in the 

 Q . Sixth ventral joint of abdomen is in the <y elongate and rounded dff at 

 tip, in the O emarginate. 



On sandy margins of rivers and ponds; distributed in North and Middle 

 Europe; very rare in this country (Vang and Aalbaek in Vendsyssel, Jrejs- 

 dalen; Blykobbeaa, Bornholra et al.), but most often numerous where it is 

 found. 



3. T. umbratica Er. 



(Erichs. Kaf. Uk. Er. I, 310; Jen. Spec. Staph. 73; Kraatz Ins. D. II, 

 154; Muls. et Key Brevip. 1875, 363; Janglb. Kaf. M. II, 245). 



-3$ 6- 



