Philonthus.'] staphylinidje. 2G1 



Section II. 

 Dorsal series of thorax each consisting of four punctures. 



I. First joiut of posterior tarsi plainly longer than the 

 last, about equal to the three following united. 

 i. Head transverse, somewhat quadrate, at least as 

 broad as thorax in male ; thorax not or scarcely 

 narrowed in front. 



1. Elytra thickly punctured. 



A, Penultimate joints of antennae transverse. 



a. Hind body thickly punctured ; anterior tarsi 



of male strongly dilated ; elytra bronze, 



brassy P. ^neus, Rossi. 



b. Hind body more or less sparingly punctured ; 



anterior tarsi almost simple in both sexes. 

 a*. Elytra blackish bronze ; autennaj plainly 



thickened towards apex with penultimate 



joints very strongly transverse .... P. peoximus, Kr. 



{succicolu, Thorns.). 

 b*. Elytra brassy bronze ; antennae slightly 



thickened towards apex with penultimate 



joints moderately transverse P, ADDENDUS, Sharp. 



B. Penultimate joints of antennae not transverse P. caebonaeius, Gi/U. 



2. Elytra sparingly punctured, greenish or bluish 



bronze ; anterior tarsi dilated in both sexes . P. ATEATtrs, Grav. 

 ii. Head ovate, rather long, much narrower than 

 elytra ; thorax narrowed in front. 



1. Legs dark. 



A. Fifth ventral segment of hind body in male 



prolonged over sixth ; upper surface of front 



parts very shiny P. SCUTATT7S, Er. 



B. Fifth ventral segment of hind body in male 



not prolonged. 



a. Upper surface of a more or less dull bronze 



colour, with hind body darker .... P. DECOEUS, Grav. 



b. Upper surface black with elytra blackish or 



greenish bronze. 



a*. First joint of antennae testaceous beneath P. POIITUS, F. 



b*. First joint of antennae unicolorous. 



af . Elytra very thickly punctured ; size larger 

 and broader ; penultimate joints of antennae 

 transverse P. LUCENS, Man. 



bf. Elytra less thickly punctured ; size smaller 

 and narrower ; penultimate joints of an- 

 tennae not transverse P. VAEITJS, Gyll. 



2. Legs testaceous or reddish testaceous. 



A. Thorax with lateral margins broadly testa- 



ceous P. MAEGINATUS, F. 



B. Thorax unicolorous. 



a. Antennae dark, with base testaceous; elytra 



shorter than thorax, reddish testaceous or 



brick-red P. LEPIDUS, Grav. 



b. Antennae entirely dark ; elytra as long as 



thorax, pitchy. lalack P. ALBIPES, Grav. 



II. First joint of posterior tarsi not or hardly longer 

 than the last, not as long as the three following 

 united. 



