(Page 261) 

 than pronotum; antennae short, thickened distally, their third joint short- 

 er and finer than the second, the fourth small, rounded, the middle and 

 next-last joints distally increasingly transverse, so that the last ones 

 become twice as broad as long, distal joint short, oval, obtuse tip. 

 Posteriorly pronotum is about as broad as elytra, more than twice as broad 

 as long, slightly narrowing anteriorly, with slightly rounded sides and 

 roundly-obtuse hind corners, posterior margin very finely, sufficiently 

 magnified, yet distinctly margined, inside corners flatly incurved; dorsum 

 flatly convex and smooth; elytra //? longer than pronotum, flat, with very 

 dense and fine scabrous punctation, posteriorly about evenly truncated; 

 abdomen particularly to the fore very densely and finely , punctated, hind- 

 ward with less dense, but finer punctation. L. 2-2.5 mm. 



In the O the sixth free dorsal joint of abdomen posteriorly at middle 

 unevenly angulate, with knot-shaped thickened tip, and at each side with 

 a longer, thin, feebly inwardly curved spine. (Fig. 94). 



Distributed in North and Middle Europe, but everywhere very rare; in 



this country heretofore only found in the woods at Hiller0d under bark of 



pine, which .was Impaired by Tomicus typographus (Author 7. 02). 



2, PI. complanata Er. 



(Erichs. >ien. Spec. Staph. 104; Kraatz Ins. D. II, 331; Thorns. Skand. 

 Col. Ill, 102; Muls.~ et Rey Br^vip. 1871, 108; Janglb. Kaf. M. II, 2&5) . 



Much like the preceding species, but generally a little larger. Pro- 

 notum at middle slightly depressed and sometimes with two feeble longitu- 

 dinal impressions, posterior margin immarginate, hind corners more defined 

 and the curve inside these somewhat more distinct than in humllis ; sex- 



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