(Page 435) 

 well as the head highly polished; elytru somewhat longer than pronotum, 

 with three rather regular punctate rows and between these finely and 

 sparsely punctata; abdomen with fine and scattered, at middle sparse 



punctation, L. 7 mm. (Page 436) 



Heretofore not found in Denmark, but as it is distributed in Midd- 

 le Europe, and also taken at Rin^s^en in Skaane (Thorns.)* i't is not 

 improbable that it may be found here also. It lives in old, hollow 

 trees, which are occupied by Vespa crabro , but it also occurs with 

 ants, both Formica rufa and Lasius fuliginosus (Janglb.). 



8. X. tricolar Fabr. 



(Fabr. Want. I, 221; Erichs. Kaif. IZk. Br. I, 427; Jen. Spec. Staph. 

 331; Kraatz Ins. D. II, 638; Thorns. Skand. Col. II, 191; Muls. et Rey 

 Br^vip. 1877, 56; ianglb. Kaf. U. II, 483). 



Broader and larger than the two following species, and especially 

 identifiable by the color of pronotum, but otherwise rather variable 

 in color. 



Lighter or darker reddish-brown, glistening, sparsely haired, the 

 head black or brownish-black, pronotum anteriorly yellowish-red or 

 brownish-red, posteriorly darkly brownish, more rarely entirely yel- 

 lowtsh-red; elytra yellowish-red; abdomen pith-black or pitch-brown 

 with lighter tip; antennae and mouth-parts brownish-red; legs reddish- 

 yellow. 



The head is a little broader than pronotum, oval, with convex si- 

 des and broadly rounded-off temple-corners, at midale simple or sparce- 

 ly, on sides scatteredly and rather finely punctate, the surface smooth 

 or indistinctly transversely aciculated; antennae robust, their third 



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