434 CLAVTCORNIA — NITIDULIDAE. 



1, Upper-side brown ; intermediate tibiae of male 

 simple. 



Oblong, elongate. Eed-brown, disc of thorax and of 

 elytra darker ; under-side brown, apex of abdomen and the 

 legs lighter ; antennae rust-red, last two joints blackish. 

 Thorax not much broader than long, side border narrow, 

 posterior angles almost right angles ; apex of elytra trun- 

 cate. L. 1 — 1^ 1. Very rare. E. angustula, Er. 



2. Upper-side yellow or brownish-yellow ; inter- 

 mediate tibiae of male slightly dilated at apex. 



A A, Apex of thorax distinctly emarginate. 



a a. Side border of thorax broad ; apex of 

 elytra rounded. 

 Oblong, elongate, flat. Paist-yellow. Thorax scarcely 

 one-thuxl broader than long, posterior angles prominent. 

 Male with all tibiae very slightly curved, intermediate pair 

 feebly emarginate on inner-side and dilated at apex. L. 

 1| 1. Common. E. pusilla, Herljst. 



b J). Side border of thorax narrow ; apex of 

 elytra truncate, with angles rounded. 



Oblong, elongate, flat. Brownish-yellow ; club of an- 

 tennae rather dark. Thorax about one-third broader than 

 long ; posterior angles right angles. Male with intermediate 

 tibiae straight, slightly dilated at apex. L. 1| — If 1. Not 

 common. E. ohlonya, Herbst. 



H JB. Apex of thorax not or only very slightly 

 emarginate. 



Oblong, slightly ovate, rather flat. Yellow. Last joint 

 of antennae scarcely narrower than penultimate ; thorax 

 not much broader than long, posterior angles prominent, 

 side border rather narrow ; apex of elytra truncate. In- 

 termediate tibiae of male a little curved and somewhat 

 dilated at apex. L. 1} 1. Common. U. florea, Er. 



b. Thorax without any separate side border. 



Short ovate, slightly convex. Colour varying from gray- 

 black, with elytra brown-red and antennae and legs red- 

 yellow, to unicolorous reddish-yellow. Apical joint of 

 antennae as broad as penultimate ; base of thorax sliglitly 

 emarginate on each side ; elytra with narrow Ijorder, apex 



