Atomaria.'] 



CLAVICORNIA. 



337 



B. Size smaller ; thorax very transverse ; punc- 

 tuation and pubescence close 



ii. Anterior angles of thorax not prominent. 



1. Thorax moderately transverse, very convex ; 

 upper surface, as a rule, entirely deep black, 

 with at most apex of elytra obscurely lighter 



2. Thorax strongly transverse ; upper surface vari- 



able in colour, but never entirely deep black. 



A. Length not exceeding 1 mm. ; colour very 

 variable, but with thorax usually testaceous . 



B. Length exceeding 1 mm. 



a. Colour nearly always testaceous ; thorax 



rarely darker than elytra, 

 a*. Punctuation finer ; form narrower and 



less convex 



b*. Punctuation deeper ; fortn broader and 



more convex 



b. Elytra with base dark and apex more or 

 less broadly testaceous, the colour not being 

 sharply denned : punctuation of thorax very 



close, coarser and deeper. 



a*. Thorax black ; form more oblong; an- 

 tennae longer 



b*. Thorax red ; form more ovate and 

 wider; antennae shorter 



C. Elytra with basal half dark and apical half 

 yellowish-testaceous, the colour being very 

 sharply defined ; punctuation of thorax close 

 but less deep 



D. Elytra black with a large common light spot 

 reaching across middle of elytra ; punctuation 

 of thorax not so close 



II. Thorax bisinuate at base. 



i. Size larger, very convex ; upper surface entirely 

 black 



ii. Size smaller; apex of elytra reddish or brownish- 

 red. 



1. Form convex, evidently narrowed in front and 

 behind 



2. Form oblong-oval.. 



A. Colour dark with apex of elytra lighter. 



a. Size larger ; upper surface more distinctly 

 punctured 



b. Size smaller ; upper surface less distinctly 

 punctured 



B. Colour rufo-piceous or brownish-red with 



shoulders and apical region of elytra more or 

 less broadly and clearly rufescent . . . . 



A. FTTSCATA, Sett. 



A. ATBA, Herbst. 

 A. PUSII.LA, Payk. 



A. ATBICAPILLA, Steph. 

 A. BEBOLINENSIS, Kr. 



A. BASALIS, Er. 



A. RHENANA, Kr. 



A. MESOMELAS, Herbst. 



A. GUTTA, Steph. 



A. GiBBtriA, Er. (Hislopi, 

 Woll.) 



A. APICALIS, Er. 



A. ANALIS, Er. 



A. RUFICORNIS, Marsh. 



A. VEBSICOLOR, JEr. 



A. nigripennis, Payk. Subovate, very scantily pubescent, shining, 

 head and thorax bright red, elytra black ; antennae moderately long and 

 stout, red; thorax not very strongly transverse with sides almost 

 angularly rounded in middle, narrowed in front, anterior angles very 

 acute and prominent, sparingly and very finely punctured, basal trans 



VOL. III. 



