296 PHYTOPHAGA— HALTICIDAE. 



reflection ; antennae red-yellow at base, brown at apex ; 

 legs pale red-yellow, posterior femora black. Elytra with 

 regular rows of punctures, interstices scarcely punctured. 

 L. 1 — 1| 1. Common. P. napi, E.H. 



6. Head bronze-green or yellow-red. 



I, Thorax not strongly punctured. 



1, Under-side wholly or chiefly blackish. 



A A, Elytra bronze-green or blackish-blue. 



a a. Head entirely bronze-green. 



Ovate, convex. Upper-side bronze-green ; under-side 

 bronze-black ; antennae red-yellow at base, pitch-black at 

 apex ; legs red-yellow, posterior femora bronze-black. 

 Punctuation of thorax finer but closer than in P. chalcomera, 

 and rows of punctures on elytra deeper, interstices finely 

 punctured. L. 1| 1. Eare. P. hyoscyami, Lin. 



h I). Head yellow-red, with vertex pitchy-red 

 or dark green. 



Ovate, convex, narrowed behind. Thorax and elytra 

 dark blue or green ; under-side pitch-black ; antennae red- 

 yellow at base, brown at apex ; legs yellow-red, posterior 

 femora black, front pairs of legs sometimes darker. L. 

 If — 2 1. Common. P. chrysocephala, Fab. 



The variety P. nigricollis has the vertex of head and 

 thorax bronze-green, elytra red-yellow. 



c c. Head entirely yellow-red. 



Oblong-ovate, convex, narrowed behind. Head, thorax, 

 prosternum, base of antennae and legs yellow-red ; elytra 

 dark blue ; breast, abdomen and posterior femora pitch- 

 black ; rest of legs red-yellow. Punctuation rather 

 stronger than in P. hyoscyami. L. If 1. Scarce. 



P. cyatioptera, 111. 

 B S. Elytra reddish-brown. 



Oblong-ovate. Head and thorax brassy-green ; elytra 

 reddish-brown, shiny ; antennae red-yellow ; legs brassy- 

 green, posterior femora brassy, pale at base. Narrower than 

 P. hyoscyami; smaller than P. chrysoccphala, elytra with 

 more finely and closely punctured striae. L. 1| 1. Scarce. 



P. luridipennis, Kuts. 

 2» Under-side pale red-yellow. 



