232 RHYNCHOPHORA — CURCULIONIDAE. 



elytra with regular punctured striae. L. 2 — 2| 1. Rather 

 common. S. flavescens, Marsh. 



h b. Thorax longer than broad. 



Oblong. Black ; antennae, tibiae and tarsi red-yellow ; 

 covered with gray pubescence, thorax with three lines, 

 elytra with badly defined markings white. Thorax a little 

 longer than broad, closely and very finely punctured, sides 

 slightly rounded ; elytra with fine punctured striae. L. 2^ 1. 

 Rare. S. longicollis, Schoenh, 



JB S, Anterior margin of thorax raised. 



Black ; scantily covered with gray or greenish scales ; 

 thorax with sides and sometimes a central line pale ; elytra 

 with suture and a streak along each pale ; legs and base of 

 antennae dull red. L. 2 — 2\ 1. Common. 



S. suturalis, Steph. 



2, Upper-side with scarcely metallic scales ; inter- 

 stices on elytra quite flat. 



Oblong. Black ; scape of antennae, tibiae and tarsi red- 

 yellow, clothed above with scarcely metallic scales, beneath 

 with grayish ones. Eyes rather flat; elytra with punc- 

 tured striae, interstices flat. On the average rather longer 

 than S. suturalis, less cylindrical, and not so convex ; eyes 

 a little less prominent (although more so than in S. hispi- 

 cluhis) and when viewed from the side visibly narrower in 

 their transverse diameter and more elliptical in outline ; 

 elytra with feebler jDunctured striae. L. 2 1. Scarce. 



8. ononidis, Sharp. 



II» Eyes moderately prominent ; thorax as long as 

 broad. 



Oblong. Black ; antennae, tibiae and tarsi rust-red ; 

 upper-side scantily covered with coppery scales, thorax 

 with three coppery lines ; elytra more or less distinctly 

 variegated with white ; under-side with very fine whitish 

 pubescence, with a lateral streak (abbreviated behind) of 

 silvery or bluish scales. Rostrum somewhat hollowed out 

 at apex, with marginal line raised and a very short central 

 ridge ; forehead with deep furrow ; thorax finely punc- 

 tured ; elytra with distinct punctured striae. L. 1\ 1. 

 Common. S. sulcifrons, Thunb. 



S, Thorax very slightly dilated at sides ; elytra not very 



