292 BRACIIELYTEA — STENIDAE. 



evenly slightly depressed, furrows almost effaced, interstice 

 nearly flat ; thorax evenly arched ; elytra distinctly longer 

 than thorax ; abdomen moderately closely and finely punc- 

 tured. L. IJ 1. Eare. >S'. morio, Gr. 

 b 1, Forehead very convex. 

 Leaden-black, rather shiny. Frontal furrows rather 

 shallow, interstice much arched ; thorax flattened on hinder 

 half, often with traces of a central furrow ; elytra rather 

 longer than thorax. Punctuation of fore parts strong and 

 moderately close, tliat of abdomen difl'use, rather strong 

 toward base and rather fine toward apex. Second joint of 

 hinder tarsi much shorter than first and not much longer 

 than third. L. 1| L Not uncommon. S. atratulus, Er. 



7> 1. Frontal furrows broad and deep. 



a 1, Body leaden-black. 



Leaden-black, first joint of palpi brownish. Interstice 

 of frontal furrows distinctly arched ; elytra finely punc- 

 tured; abdomen finely, rather diffusely punctured. Second 

 joint of hinder tarsi not much shorter than first and dis- 

 tinctly longer than third. L. IJ 1. liare. S. incanus, Er. 



1> 1 . Body deep black. 



Deep black, very shiny ; first joint of palpi red-yellow. 

 Interstice of frontal furrows raised and shiny; thorax very 

 slightly longer than broad, strongly but not closely punc- 

 tured, with central furrow not reaching much beyond 

 middle ; elytra a little longer than thorax, strongly, rather 

 diffusely punctured, with a slight elevation between suture- 

 and shoulders. L. 1| 1. Common. S. melunopiis, Marsh. 



li Ji. Thorax with a central furrow throughout. 



a a. Thorax ratlier longer than broad, some- 

 what sliorter than elytra. 



Leaden-black, not very shiny, pubescence close. An- 

 tennae short, fourth joint as long as tliird. Forehead quite 

 flat; abdomen closely and distinctly punctured. L. If 1. 

 Itather common. S. canaliculatus, Gyll. 



h b. Thorax half as long again as broad, 

 scarcely shorter than elytra. 



Leaden-black. Antennae rather elongate, third joint 

 almost half as long again as third. Forehead almost with- 

 out trace of furrows; alidomen moderately closely and 



