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 with particularly fine, isolated punctation, in middle-line especially 

 posteriorly deeply, but not entirely tjrooved, posterior margin and sides 

 finely margined; elytra longer than pronotum, with modulated shine, around 

 scutellum and together with this particularly densely and rather finely 

 punctated, posteriorly and on sides with much more scattered and finer punc- 

 tation; abdomen feebly fusiform, finely and rather densely punctated, pos- 

 teriorly a little more densely and distinctly punctated than anteriorly. 

 L. 2.5-3 mm. 



Distributed in Middle Europe, but not found in Sweden; very rare in 

 Denmark, on the strand under seaweed and other alluvium (Nyminde at Fing- 

 kefbing Fjord; Hulerizfd and Refnaes in North Zealand, at Juldborgsund and 

 in llizien). In Middle Europe said to be found with Myrmica rubra . 



4. F. nigra Jravh. 



(aravh. Kicr. 75; Erichs. Kaf. Mk. Br. I, 2S6; Sen. Spec, Staph. 54; 

 Kraatz Ins. D. II, 36; Thorns. Skand. Col. II, 298; Muls. at Rey Brevip. 

 1875, 449; G^anglb. Kaf. M. II, 257). 



A small species, considerably smaller than our other species, with in- 

 distinctly grooved, posteriorly finely margined pronotum. 



Black or pitch-black, finely haired, glistening; elytra often brown 

 with yellowish-brown posterior margin; antennal base and mouth-parts brov.n- 

 ish; legs brownish yellow. 



The head as broad as pronotum, very finely and not densely punctated; 

 antennae short, robust, distinctly thickened distally, their third Joint 

 shorter than the second, the middle and next-last (5-10) rather strongly 

 transverse, distal joint short oval. Pronotum is short cordate, narrower 



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