BEMHIDHIM. 91 



on elytra more extensive, especially the basal ones, leaving 

 a triangular spot round the seutellum, the suture, a trans- 

 verse band (narrowing outward) behind middle and the 

 apex dark. L. 2i 1. Common. B. femorahcm, Sturm. 



b »*>. Striae on elytra strong. 



Femora (except apex) brown ; penultimate joint of palpi 

 black. Base of thorax distinctly punctured ; spots on 

 elytra as in B. littorale, but generally rather darker. 

 L. 2} 1. Katlier connnon. B. hruxellense, Wesm. 



C /i. Antennae entirely yellow. 



Legs and palpi entirely yellow. Base of thorax some- 

 what punctured ; sides of elytra yellow, with the outer 

 margin brown, the suture also is lirown for some breadth 

 (except at apex) and in the middle is dilated into a nearly 

 round connnon spot. L. 2^ 1. Moderately common. 



B. conciimum, Stepli. 

 b 2* Central furrow on thorax dis- 

 tinctly reaching posterior margin. 

 Antennae brown, first three joints and base of the next 

 two red-yellow ; penultimate joint of palpi brownish at 

 apex ; legs entirely red-yellow. Tliorax punctured at liase ; 

 elytra brownish-bronze-green, with two yellow spots on 

 each, a basal one at shoulder (the inner margin of wddch 

 runs nearly parallel with the suture) and an ol)long 

 ol )liquely placed one near apex ; striae deep and strongly 

 punctured, outer ones effaced behind. L. 2^ 1. Connnon. 



B. littorale, OL 

 -B 2, Thorax as long as broad, heart- 

 shaped, posterior angles not promi- 

 nent, the base being scarcely wider 

 than the necklike part of tlie meso- 

 thorax. 



Antennae, palpi, and legs coloured as in B. Hit untie ; 

 body more elongate and convex. Elytra bronze-green, 

 with two yellow spots on each, which are rather larger 

 than in B. littorale, the inner margin of the basal one curved. 

 L. 2| L iSTot uncommon. B. fluviatile, De], 



b 1. Base of elytra wholly bronze- 

 green. 

 Antennae reddish-brown, first three joints and base of 

 the fourth yellow ; palpi and legs yellow. Thorax iiuich 



