ERIRHINUS. 195 



toward suture), interstices rather convex. L. 3 — 3J 1. 

 Common. E. sciri^i, Fab. 



2, Eostrum punctured or smooth. 



A A, Thorax with a yellow spot on each side ; 

 length 4 lines. 



Black, dull; antennae and legs pitch-brown; pubescence 

 brown ; thorax with a curved streak of yellow hairs on 

 each side; each elytron with a more or less distinct whitish- 

 spot behind middle. Eostrum as long as head and thorax, 

 curved, shiny, diffusely punctured; thorax closely punc- 

 tured in wrinkles, with central ridge, sides rounded ; elytra 

 with indistinct striae, interstices nearly flat ; anterior 

 tibiae toothed on inner-side. Not common. 



E. himaculatus, Fab. 



_B _B. Thorax without yellow spots ; length 

 2— 2 1 lines. 



a a. Thorax without raised central line. 



Black, shiny, bare ; antennae and legs red-brown. Eos- 

 trum as long as head and thorax, curved ; thorax almost as 

 long as broad, difi'usely and strongly punctured, central 

 line imjjunctate but not raised, sides slightly rounded; 

 elytra oblong-ovate, with deep punctured striae, interstices 

 flat, extremely finely punctured. L. 2| 1. Eare. 



E. aethiops, Fab. 



I) h. Thorax with a fine raised central line. 



Pitch-brown, dull ; antennae and legs (except often 

 femora) brown-red ; pubescence yellowish-gray, scanty. 

 Eostrum as long as head and thorax, curved, punctured 

 diffusely in front, more closely and partly in rows behind ; 

 thorax closely punctured ; elytra scarcely one-third longer 

 than together broad, with moderately strong punctured 

 striae, interstices nearly flat. L. 2 — 2-|- 1. Common. 



E. acridulus, Lin. 

 II. Elytra reddish. 



Elongate. Eed-brown ; antennae and legs rust-red ; 

 covered with a gray crust, with scattered, erect, whitish 

 bristles. Eostrum almost as long as head and thorax, 

 curved, wrinlded ; thorax scarcely broader than long, dis- 

 tinctly punctured, sides slightly rounded ; elytra with 

 distinct punctured striae, alternate interstices somewhat 



o 2 



