HYPERA. 209 



suture (until beyond middle) with a triangular dark common 

 spot. Eostrum moderately long, slightly curved ; thorax 

 rather flat. L. 2 — 2^ 1. Common. 



H. variabilis, Herbst. 



II. Elytra with uninterrupted light and dark lines. 



Narrow. Black ; head and thorax with brown scales 

 and hairs ; latter with three white lines, central one con- 

 tinued on to head ; elytra gray, with suture brown from 

 before middle to apex, dilated into spots in places, second 

 interstice brown in front, whitisli behind, third interstice 

 from middle and fifth from before middle backward with 

 brown lines meeting toward apex. Thorax rather broader 

 than long, sides moderately rounded. L. 2| 1. Common, 



H. polygoni, Lin. 



-Z?. Second joint of funiculus of antennae not much longer 

 than third joint. 



a. Elytra without dark spot on disc. 



I. Thorax nearly twice as broad as long. 



Pitch-black ; antennae and tibiae rust-red ; closely 

 covered with gray or yellowish hairlike scales ; thorax with 

 two broad longitudinal dark lines ; elytra with a row of 

 whitish hairs on interstices, apex of suture spotted with 

 white and brown. L. If 1. Kare. 11. meles, Fab. 



II, Tliorax not much broader than long. 



Pitch-black ; antennae and legs brown-red ; tliorax with 

 three green lines ; elytra covered with green hairlike scales. 

 L. I5I. Common. H. nigrirostris,Yah. 



h. Elytra with a dark spot on disc of each. 



Black, closely covered with grayish-metallic scales ; an- 

 tennae and legs rust-red ; thorax with two brown lines ; 

 elytra with suture spotted with brown, base of third inter- 

 stice and a spot on middle of disc of each brown, nearly 

 bare. Thorax not much broader than long, sides moderately 

 rounded. L. 2 1. Moderately common. 



H. trilineata, Marsh. 



Alox)hus. 



Oblong-ovate. Black ; closely covered with gray or 

 brown scales ; each elytron with two light spots, anterior 

 one variable in size, placed before middle on disc, hinder 



VOL. II. p 



