dPkOMIus. 33 



Eed-yc'llow ; head Mack; disc of thorax and ahdomen 

 sometimes dark; elytra with a l)road, dentate, dark, trans- 

 verse band, reacliing along suture toward scutellum and on 

 outer margin nearly or quite to apex. Broader and stouter 

 than D. nigriventris, similar to I), sigma but more rolmst, 

 with shorter and stouter antennae, head and tliorax less 

 shiny, former broader and latter more transverse, elytra 

 comparatively shorter and broader, with lateral outline less 

 straight, their dark band broader and humeral light-coloured 

 space smaller. L. 1| 1. Southern coasts, especially Isle of 

 Wi<dit D- vectcnsis, Eye. 



h h. Dark marking on elytra ceasing on outer 

 margin I'ar from apex. 



Head black ; thorax light red-yellow, central furrow 

 rather feeble; elytra pale-yellow, with a brown transverse 

 band liehind middle, which is somewhat dilated at suture, 

 toothed in front and at outer margin, and extends backw^ard 

 but ceases at some distance from apex. L. 1| 1. Not common. 



D. sigma, lioss. 



c. Elytra entirely yellow. 



Head black ; thorax reddish, somewhat lighter at sides, 

 central furrow strong ; under-side reddish, abdomen often 

 brown ; legs yellow. L. 1| — -li 1. Common. 



D. mclanoccphalus, Dej. 



Blechvus, 



Black, shining ; elytra smooth ; claw^s feel)ly toothed. 

 L. 11 — 1| 1. Common. B. maurus, Sturm. 



The variety glahratus has the elytra somewhat longer, 

 with some feelde striae near suture, and the claws distinctly 

 toothed. It has also usually a rather stronger bronze 

 lustre. 



3£etahJetus. 



A. Dark brown, with a slight bronze lustre ; each elytron 

 marked with two more or less distinct light spots, the 

 one at shoulder, the other before apex (latter often 

 effaced). 

 Antennae Idack, usually reddish at base ; elytra with 



feeble striae and two impressions (often very weak) in third 



D 



