260 BRACHELYTRA — STARHYLTNIDAE. 



impressions. Thoracic punctures as in P. succicola; fourth 

 abdominal segment without setae toward lateral margin. 



F. carhonarius, Gyll. 

 2» Head roundish or ovate. 



A A, Oi the seven penultimate joints of antennae 

 the basal joints about double as h)ng as, the 

 apical ones a little longer than broad. 

 ff a. Antennae entirely black. 



A a. Head and thorax strongly shining ; 

 anterior tarsi slightly dilated in both sexes. 



Black; thorax and elytra somewhat bronze, latter dullish, 

 closely punctured. L. 5 — 6 1. Not common. 



P. scutatus, Er. 



B h. Head and thorax dullish ; anterior 

 tarsi simple in both sexes. 

 Slender. Black ; thorax and elytra blackish-green, 

 latter dull, moderately closely, very finely punctured. L. 

 5 — 6 1. Kather common. P. de corns, Gr. 



b h. Antennae black, with first joint entirely, 

 or on under-side, yellow-brown. 

 Black ; fore-parts blackish-green. Elytra and abdomen 

 closely and rather finely punctured. Anterior tarsi mode- 

 rately dilated in male, simple in female. L. 5 1. Common. 



P. politus, Fab. 



B B. Of the seven penultimate joints of antennae 

 the basal joints rather longer than broad, and the 

 apical ones slightly broader than long. 

 Black ; fore-parts with greenish reflection. Thorax a 

 little broader than long ; elytra closely and rather strongly, 

 abdomen less closely punctured. Anterior tarsi simple in 

 both sexes. L. 4| 1. Scarce. P. lucens, Mann. 



II, Thorax shining black (with or without yellow 

 sides) ; length 2f — 4 lines. 

 1. Anterior tarsi of male dilated. 



A A . Head roundish, as broad as, or slightly 

 narrower than thorax. 

 a a. Legs black. 

 Black ; elytra black-green. Penultimate joints of an- 

 tennae a little longer than broad ; elytra rather difiusely 



