Vol. xxiii] ENTOMOLOGICAL NEWS 33 



Lytta bieti n. sp. 



Color metallic, bluish purple, a yellow spot on the vertex, elytra 

 with a yellow vitta extending obliquely from the basal margin over 

 the humeral callus to the apex and ending nearer the suture than 

 the margin ; form medium, robust, depressed, slightly wider posterior- 

 ly; head large, triangular, slightly rounded angles, a slight vertical 

 median impressed line, an impression at base of antenna on each side, 

 another impression at the anterior end of the light spot on vertex, 

 coarsely and very sparsely punctured, becoming a little denser at frons; 

 pubescence short, sparse and mixed dark and lighter at back and un- 

 der head; labrum strongly obcordate, a median smooth space, finely 

 and sparsely punctured, pubescence pale, sparse, labro-clypeal suture 

 distinct ; clypeus very short, transverse, narrowed in front, posterior 

 border convex, a foveate impression on either side, finely and thickly 

 punctured, pubescence sparse; maxillary palpi long and medium, art. 

 2 medium, slightly obconical, art. 3 short, obconical, last article the 

 longest of all, slightly ovoid; antennae art. I short, strongly swollen, 

 art. 2 small, beadlike. 



Pronotum short, transverse, narrowed behind, strongly gibbous at 

 sides, suddenly constricted into neck, a median longitudinal impressed 

 line to near posterior margin ending in a large impression, reflexed 

 posterior margin strong at middle weakening at sides, a large, round, 

 shallow fovea on either side of disk, disk around these foveae smooth, 

 impunctate, and in front of these it is sparsely and coarsely punctured, 

 a little coarser than head, pubescence short, sparse, dark; scutelhun 

 large, rounded, a large deep fovea taking in nearly all of it; elytra 

 less than three times as large as joint width, ora and nervures dis- 

 tinct, evenly, mediumly, coarsely and rugosely punctured, light and 

 dark areas punctured the same, pubescence sparse and very short, 

 slightly dehiscent and separately rounded at apices; ventral surface 

 of mesosternum finely, thickly and rugosely punctured, pubescence 

 mediumly short, ventrals of abdomen finely, sparsely and transversely 

 aciculately punctured, pubescence mediumly short, sparse and confined 

 more to sternum ; legs medium long and stout, femora and tibiae 

 punctured about like ventrals but not aciculate, posterior tibial spurs, 

 outer with slight tendency to being trumpet-shaped, inner sharp and 

 curved; tarsi long and slender; clan's short and stout. 



Length 13, width 3.5 mm. 



Type in B. Museum. Type locality, Thibet. 



Distribution. Thibet, Tatsienlou (Mgr. F. Biet.). British 

 Museum (3 specimens). 



This can readily be told at a glance from thibctana by its 

 more gibbous pronotum, color, by its much coarser elytral sculp- 

 ture, and by the oblique direction of the elytral vitta, in thibe- 



