208 RHYNCHOPHORA — CURCULIONIDAE. 



A a. Thorax ratlier flat. 



Oblong. Black ; antennae and tibiae reddish-brown ; 

 with pubescence and gray scales ; thorax with two brown 

 longitudinal lines ; elytra with brown lines on disc and 

 diffusely-placed black spots throughout. Thorax rather 

 flat, sides strongly rounded in front. L. 2| 1. Not 

 common. H. tigrina, Boh. 



jB 6. Thorax convex. 



Oblong. Black ; antennae rust-red ; closely covered 

 with gray pubescence and scales ; thorax with two broad 

 brown longitudinal lines ; elytra with numerous dark spots 

 (often confluent), hinder half of suture not or more scantily 

 spotted with black than front part. Eostrum short, only 

 slightly curved ; thorax convex. L. 2^ — 2f 1. Not un- 

 common. H. suspiciosa, Horbst. 



b b. Elytra with a large, dark spot on disc of 

 each. 



Oblong-ovate. Black ; antennae and tiliiae brown-red ; 

 closely covered with gray scales ; thorax with two broad 

 longitudinal brown lines ; elytra with a large, elongate dark 

 spot on disc of each and usually with other dark markings 

 toward scutellum. Eostrum moderately long, curved, thorax 

 rather flat. L. 2| 1. Eather common. 



H. plantaginis, De G. 



2? J?. Base of suture of elytra with a common 

 dark spot. 



a a. Thorax narrower at apex than at base ; 

 length 2f lines. 



Black ; antennae and tibiae rust-red ; covered with gray 

 scales ; thorax with two brown longitudinal lines, some- 

 times with three pale greenish lines ; elytra with white 

 lines, spotted with black, base of suture with a common 

 oblong, sometimes toothed brown spot. L. 2| 1. Common. 



H. murinus, Fab. 



b b. Thorax nearly as broad at apex as at base ; 

 length 2—21 Hues. 



Oblong-ovate. Black ; antennae and tibiae rust-red ; 

 with gray scales and short pubescence ; thorax with two 

 brown longitudinal lines and a dark point on each side 

 before middle ; elytra with indistinct black points, base of 



