(Page 539) 

 is a species from Middle Russia. Its larva is described and illustrated 

 by Schijzfdte in Nat. Tidsskr. III. R. 3. B., 212, T. XII, Fig. 15-1S = 

 dlota -Larven. 



In Catal. Col. Eur. Edit. Reitter 1891 and several German authors 

 (inter alia Janglb.) diota Schi/J. is placed as synonymous with tricornis 

 Kerbst. "ith this species it is however not closely connected, but through 

 blcornis Jerm. it is more closely related to Bl. f urcatus Oliv. 



3. Subgenus Blediodes Muls. et Pey. 



6. El. opacus Block. 



(Block. Verz. Ins. Plauens. 117, 7. Fig. 7; Erichs. Kaf. Mk. Br. I, 

 581; Jen. Spec. Staph. 771; Kraatz Ins. D. II, 828; Thorns. Skand. Col. 

 Ill, 119; Schiadte Nat. Tidsskr. 1866, 148; Muls. et Rey Bresip. 1879, 

 157; ianglb. Kaf. U. II, 619). 



Recognized principally by middle-grooved, feebly punctated, poster- 

 iorly rounded-off pronotum, by the color of elytra, and by transversally 



grooved vertex. 



(Page 540) 



Black, finely haired; thorax feebly, abdomen rather glistening; 

 elytra reddish or brownish yellow, along the suture narrowly or more 

 broadly pitch-brown; antennae brownish, their base, and mouth, also 

 legs with coxae reddish-yellow. 



The head is narrower than pronotum, together with same densely sha- 

 greened, with tranversally grooved vertex and boss-formed forehead cor- 

 ners, antennae short; pronotum narrower than elytra, a little broader 

 than long, with obtuse fore-corners, posteriorly obliquely narrowing 

 and with very obtuse hind corners, slightly convex, finely middle-groov- 



-19- 



