238 EHYNCHOPHORA — CURCULIONIDAE. 



h. Eostrum with five furrows. 



Pitch-black; covered with gray scales. Eostrum with a 

 central furrow and on each side of this two deep, rather 

 smaller furrows ; elytra with deep punctured striae, fifth 

 and seventh united in a curve at a considerable distance 

 from shoulder and more strongly raised (especially behind) 

 than in B. dbscurus. L. 4 — 4|- 1. Not common. 



B. moerens, Yah. 



Tiioiililoeus, 



Black, dull ; antennae (except club) red-brown ; closely 

 covered with gray scales (often with metallic reflection) ; 

 elytra checkered with brown spots. Thorax finely sha- 

 greened, with a feeble central ridge ; elytra with rather 

 deep and distinct punctured striae, interstices flat. L. 

 4 — 6 1. Common. L. nubilus, Fab. 



Cneorhimis, 



A, Thorax finely punctured ; elytra with fine punctured 

 striae, interstices broad and flat. 



Ovate. Black; covered with brown scales, with lines of 

 gray, sides of elytra with white scales. Eostrum scarcely 

 constricted at base, flat, not channeled ; thorax transverse, 

 sides rounded ; elytra broad, nearly globular, with fine 

 punctured striae and white bristles. L. 2 — 3 1. Common. 



C. geminatus, Fab. 



_B. Thorax longitudinally -^Tinkled; elytra with deep 

 punctured striae, interstices convex. 



Ovate. Black; covered with gray scales. Eostrum and 

 thorax narrower than in C. geminatus, former somewhat 

 constricted in middle, channeled, divided by an impressed 

 line from forehead, latter with sides slightly rounded ; 

 elytra large, more inflated than in C. geminatus, with dis- 

 tinct punctured striae and white bristles ; eyes more pro- 

 minent. L. 2 — 3 1. Moderately common. 



G. exaratus, Marsh. 



ANTHRIBIDAE. 



A, Antennae inserted on sides of rostrum, 

 a, Scrobes forming a broad depression. 



