OTIOEHYNCITUS. 223 



rounded. L. 4| — 5^ 1. Not common. 



0. haematopus, Schoenh. 



6. Anal segment of male punctured or at most scratched, 

 even or with a shallow depression. 



I, Eyes more or less approximated, forehead narrow, 

 not or not much arched transversely. 



1. All interstices evenly raised. 



A A. Elytra without rows of bristles on inter- 

 stices. 



a a. Upper-side bare. 



Elongate-ovate. Black, shiny. Thorax closely sha- 

 greened at sides, diffusely punctured ondisc ; elytra oblong- 

 ovate, with distinct punctured striae, inner interstices 

 feebly wrinkled, outer ones granulate. L. 5 — 5| 1. Eare. 



0. eheninus, Schoenh. 



b 6. Upper-side pubescent. 



A a. Breast with longer and closer pubes- 

 cence than upper-side. 



Black, rather shiny ; legs reddish-brown. Eostrum 

 ridged ; head and thorax very finely shagreened, latter as 

 long as broad, rounded at sides ; elytra ovate, ol^tuse, 

 with very indistinct striae, interstices granulate. L. 3|— 4 1. 

 Common. 0. atroapteriis, De G. 



a b. Pubescence on breast not closer or 

 longer than on upper-side. 



Black ; antennae and legs reddish-brown ; under-side, 

 head and thorax scantily covered with pubescence ; elytra 

 closely covered with gray and brown pubescence, clouded. 

 Eostrum punctured in wrinkles ; thorax rather broader 

 than long, closely granulate, with a short and fine central 

 ridge ; elytra short ovate, witli deep punctured striae 

 (hidden by scales). L. 3 1. Not uncommon. 



0. raucus, Fab. 



B S, Elytra with rows of bristles on interstices. 



a (t. Eostrum furrowed. 



Oblong-ovate. Black : antennae, tibiae and tarsi brown- 

 red ; with scanty brown pubescence. Forehead with deep 

 furrow ; tliorax closely covered with rounded tubercles ; 

 elytra with strong punctured striae, interstices closely 



