Afelif/etJies.'] 



CLAVICORNIA, 



243 



1. Upper surfiicc without cross strirttion or reticula- 



tion butween punctures. 

 A. Bl;\ck, or with dark hrown reflection, very 

 shining; punctuation strong, and not very close, 

 especially on elytra. 



a. Anterior margin of forehead emarginate. 



a*. Body long-oval ; punctuation of elytra 

 plaiidy stronger tlian tliat of thorax, 

 af. Punctuation of elytra less diffuse ; 

 metasternum of male with a tubercular 

 proniiucncc ou each side of middle . , . 

 bf. Punctuation of elytra more diffuse; me- 

 tasternum of male simple 



b*. Body short-oval : punctuation of elytra 

 not much stronger than that of tliorax 



b. Anterior margin of forehead straight. 



a*. Body short-oval ; colour shining black, 

 af. Punctuation not much stronger on 



elytra than on thorax 



b-f. Punctuation much stronger on elytra 



than on thorax 



b*. Body long-oval ; shining, with dark brown 



reflection 



B. Black, moderately shining ; punctuation close 

 and fine, almost the same ou elytra as on 

 thorax. 



a. Male v.-ith the last abdominal segment simple . 



b. Male with the last abdominal segment fur- 

 nished with a large smooth tubercle at apex . 



2. Upper surface with cross striation or reticulation 



between punctures; black, as a rule rather 

 dull. 



A. Cross striation present ou elytra only ; anterior 

 tibias with two stronger teeth at apex, not sepa- 

 rated by smaller teeth 



B. Cross striation or reticulation present on the 



whole of the upper-side. 



a. Thorax at base wider than elytra ; anterior 

 tibiae with two to five stronger teeth at apex, 

 of which two or three are usually larger 

 than the rest ; none, however, are very con- 

 spicuous, and they are very often almost 

 obsolete 



b. Thorax at base at most as wide as elytra ; 

 anterior tibiae with three or four conspicuously 

 stronger teeth at apex, the last but one being 



usually the largest, 

 a*. Punctuation closer and weaker ; upper sur- 

 face dull 



b*. Punctuation stronger ; upper surface 



shining 



iii. Anterior tibiae without conspicuously stronger teeth 

 at apex ; as a rule, evenly and finely, although dis- 

 tinctly, toothed for the greater part of their length, 

 but often presenting irregularities, particularly as 



regards breadth of teeth. 

 1. Thorax entirely smooth between punctures; elytra 



R 2 



M. DIFFICILIS, Iieer. 

 M. KuNZEi, Er. 



M. MOEOStrs, Er. 



M. MEMNONIUS, Er. 

 M. OCHROPTTS, Sturm. 

 M. BiiUNNicoRNis,S<«r;». 



M. viDTTATTJS, Sturm. 



M. rEDICULAEITTS,-S'/Mr»J. 



M. BIDEN3, Bris. 



M. TJiiBROSUs, Sturm. 



M. INCANUS, Sturm. 

 M. OVATUS, Sturm. 



