258 BRACHELYTRA — STAPHYLINIDAE. 



narrower behind than elytra, very closely, rather strongly 

 punctured, with smooth raised central line ; elytra and 

 abdomen extremely closely, finely punctured. L. 5 — 6^ 1. 

 Common. 0. 7norio, Gr. 



b. Antennae black, with base red-yellow ; legs red- 

 yellow. 



Black, dull. Whole body evenly, extremely closely, 

 finely punctured. Head scarcely broader than thorax, 

 which is not narrowed behind and as broad as elytra. 

 L. 7 1. Moderately common, 0. comi^ressus, Marsh. 



Philonthus, 



A, Thorax without rows of impressions on disc. 



a. Head and thorax shiny black ; elytra with several 

 lateral setae. 



Elytra bronze-green ; scutellum black, impunctate ; ab- 

 domen, antennae and legs black. Head of female as broad 

 as, of male broader than thorax. Punctuation of elytra 

 moderately close, strong ; that of abdomen rather more 

 diffuse. L. 5 — 5| 1. Eather common. P. splendeiis, Fab. 



h. Head and thorax bronze-green ; elytra with at most 

 one or two lateral setae. 



I, Elytra bronze. 



Abdomen, antennae and legs black. Head usually rather 

 narrower than thorax. Punctuation of elytra rather more 

 diffuse, of abdomen rather closer and in botli cases a little 

 finer than in P. sjdcndens. Anterior tarsi strongly dilated 

 in male, moderately in female. L. 4 — 5 1. Eather com- 

 mon. P. inicrmedius, Boisd. 

 ZI, Elytra dark-green or bluish. 



Abdomen, antennae and legs black. Head distinctly 

 narrower than thorax. Elytra and al)domen closely and 

 distinctly punctured. Scutellum bluish-black, closely 

 punctured. Anterior tarsi sliglitly dilated in ])oth sexes. 

 L. 4^- 1. Common. P. laminatus, Creutz. 



JS, Thorax with a row of four impressions on each side of 



disc. 



n. Elytra not longer tlian tlioi'ax, more or less shiny ; 

 head generally ovate or triangular and narrower than 

 thorax ; lateral seta of tliorax placed in margin itself. 



