282 PHYTOPHAGA — HALTICIDAE. 



Oblong-ovate. Black, shiny ; antennae with tirst six 

 joints and base of seventh yellow-red, rest black ; legs 

 yellow-red, posterior femora black. Elytra strongly punc- 

 tured, separately rounded at apex ; joints five to ten of 

 antennae dilated at apex, about equal in length. L. f 1. 

 Not very common. A. atratula, All. 



TT, Thorax nearly square ; punctuation distinct. 



Oblong-ovate. Green, . slightly bronzed, shiny; under- 

 side black ; antennae red-yellow, last three or four joints 

 somewhat brown. Elytra strongly punctured, separately 

 rounded at apex ; joints five to ten of antennae not dilated 

 at apex, fifth rather longer than rest. L. f — 1 1. Common. 



A. herhigrada, Curt. 



I*JiyUotreta. 



A. Elytra unicolorous. 



(I. Upper-side bronze-brown or bronze-green. 



I» Antennae with first four joints red-yellow, rest 

 black. 

 Oblong. Greenish-black or bronze-brown; under-side 

 and legs black. Thorax somewhat broader than long; 

 elytra almost parallel-sided, separately rounded at apex ; 

 punctuation somewhat strong, confused. Male with fourth 

 joint of antennae strongly and fifth somewhat dilated. L. 

 1 1. Common. P. nodicornis, Marsh. 



TT» Antennae unicolorous black. 



Oblong-ovate. Bronze-green (sometimes blue) ; under- 

 side and legs black. Thorax transverse ; elytra sliglitly 

 rounded at sides, separately rounded at apex ; punctuation 

 fine, confused. L. f — 1 1. Moderately common. 



P. leiiidii, E. H. 



1), Upper-side black. 



I, Antennae unicolorous black. 



Oblong. Black, sometimes bluish-black ; tarsi brown. 

 Thorax transverse ; elytra slightly rounded at sides, apex 

 obtusely rounded ; punctuation of thorax rather strong, of 

 elytra feebler and confused. Male with third, fourth and 

 fifth joints of antennae dilated. L. f — 1 1. Rather 

 common. P. melaena, 111. 



II. Antennae with base red-yellow. 



