448 CLAVICORNIA — NITIDULIDAE. 



narrowed Leliiiid, anterior angles slightly prominent, punc- 

 tures rather closely placed, oblong and deep, feebler toward 

 sides ; elytra with regular punctured striae, effaced at sides 

 and apex. L. 1 1 — 2 1. Not uncommon. 



B. parallelocollis, Gyll. 



II. Thorax considerably longer than broad. 



1. Last abdominal segment with a shallow impres- 

 sion toward apex, with a prominence on each 

 side. 



Elongate, slightly convex. Brownish-red, disc of thorax 

 blackish ; elytra black, with the basal fourth-part red and 

 extreme side and apical margins red-ljrown. Anterior 

 angles of thorax nearly right angles, not prominent. L. 

 li — 2^ 1. Not common. B. nitiduluf^. Fab. 



2. Last abdominal segment without impression. 



Elongate, ratlier flat. Brown-red, disc of thorax with a 

 badly defined brown shade ; elytra black, with a very 

 narrow space at l)ase, and a In'oader one at apex brown-red, 

 colours not sharply divided ; breast and base of abdomen 

 generally brownish. Anterior angles of thorax nearly riglit 

 angles, not prominent. L. Ih — 2 1. Common. 



B. dispar, Payk. 



1p. Elytra brownish-l)lack, with a badly defined brown - 

 red spot at shoulder and a more distinct one behind 

 middle, apex more or less red-brown. 



Eather flat. Head thorax and under-side brownish- 

 black, mouth lighter, abdomen with margins of segments 

 and apex more or less red-brown, the lightest specimens 

 unicolorous reddish-yellow. Thorax scarcely longer than 

 broad, a little narrowed behind, angles somewhat rounded, 

 moderately closely and finely punctured. L. 1 — 1-^ 1. 

 Common. B. hipustulatus, Fab. 



C. Elytra unicolorous black. 



Eather flat. Deep, shiny black ; antennae and legs 

 brown-red. Thorax as long as broad, angles rounded, 

 rather diffusely, finely punctured. L. li — 2 1. Eare. 



B. politus, Hellw. 



Z>. Elytra unicolorous blue-green. 



Eather broad and flat. Head and thorax black ; antennae 



