440 CLAVICOKNIA — NITIDULIDAE. 



brown, first two joints red ; anterior legs brown-red, hinder 

 pairs black-brown. Thorax scarcely narrowed in front ; 

 anterior tibiae with even, fine, sawlike teeth, and two strong- 

 ones at apex. L. 1 1. Common. M. hidens, Bris. 



h 1. Transverse scratches on whole of 

 upper-side. 



Anterior tibiae with several larger teeth before apex. 



A 2. Base of thorax rather broader 

 than elytra. 



Oblong, convex. Black ; antennae black, first two joints 

 l)rown-red ; legs brownish-black, anterior tibiae lighter ; 

 ]»ubescence close, fine, black or gray- black. Metasternum 

 either even or impressed, with a prominence between pos- 

 terior coxae. L. 1^ 1. Eare. M. umhrosns, Sturm. 



J5 2, Base of thorax at most as broad 

 as elytra. 



a 2. Anterior tibiae with fine, 

 sawlike teeth and three or four 

 larger, usually unequal, ones 

 before apex. 



A 3. Pubescence black. 



Oblong, convex. Black ; antennae black, second joint 

 brown-red ; anterior legs pitch-brown, hinder legs black. 

 Very similar to M. uvihrosus, but more shiny, more dis- 

 tinctly and strongly jjunctured, with more scanty and 

 shorter black pubescence. Metasternum either even or 

 impressed, with two small transversely placed prominences 

 at the front of impression. L. 1| 1. Moderately common. 



M. maurtcs, Sturm. 



JB »V. Pubescence gray. 



Oval, convex. Black, with distinct, recumbent gi-ay 

 pubescence ; first two joints of antennae and the legs pitch- 

 brown, anterior tibiae brown-red. More oblong than 31. 

 maurus and more convex, colour more gray-black, pubes- 

 cence longer, punctuation closer ; metasternum of male 

 without tubercles. Less shiny than if. ovatus. L. 1 — 1^ 1. 

 Rare. 3f. in c amis, Sturm. 



b 2. Anterior tibiae with fine saw- 

 like teeth at base and four broad 



