442 CLAVICOKNIA NITIDULIDAE. 



outer-side in almost a straight line until beyond 

 middle, and thence suddenly and obliquely nar- 

 rowed. 



Short ovate, convex. Deep black, shiny; base of an- 

 tennae and legs yellowish-red. Punctuation diffuse and 

 strong ; pubescence diffuse and very fine, blackish. Allied 

 to M. dijfficilis but broader, more convex, apical teeth on 

 anterior tibiae less strongly developed. L. 1^1. Eare. 



M. ochropus, Sturm. 



2, Body oblong-ovate or oval ; posterior tibiae 

 rounded on outer-side. 



A A* Thorax finely and closely, elytra more 

 strongly and diffiisely punctured. 



a a. Head and thorax with a greenish reflec- 

 tion ; pubescence blackish. 



Oblong-ovate, moderately convex. Black ; antennae 

 brown or red-brown, first two joints red ; legs brownish- 

 red, L. 1\ 1. Not uncommon. M. difficilis, Heer. 



b b. Head and thorax deep black ; pubescence 

 whitish. 



Very similar to 3f. difficilis, but with punctuation of 

 elytra more diffuse and deeper, and with the teeth on an- 

 terior tibiae feebler, the larger ones at apex being fewer in 

 nmnber ; the legs are rather lighter and the antennae have 

 usually three basal joints reddish-yellow. L. IJ 1. Eare. 



M. Kunzei, Er. 



jB B. Thorax and elytra tolerably equally closely 

 and finely punctured. 

 a a. Side border of thorax distinctly raised. 



Oval, convex. Black ; antennae brown-black, first two 

 joints red ; legs dark brown-red, anterior pair lighter. 

 Hinder pairs of tibiae somewhat angular ; elytra double as 

 long as thorax. L. 1 1. Eare. M. viduatus, Sturm. 



b 6. Side border of thorax not raised. 



Very similar to 3f. viduatus, but less convex, more ob- 

 long ; hinder pairs of tibiae rounded and elytra more than 

 double as long as thorax. L. 1 1. Not common. 



M. pedicularius, Gyll. 



II. Anterior tibiae finely toothed throughout, witli 



