178 RHYNCHOPHORA — CTTRCULIONIDAE. 



punctured striae ; third joint of antennae nearly double as 

 long as fourth ; anterior tibiae curved, very slightly in 

 female, more strongly in male. L. 1 1. Moderately com- 

 mon. A. varipes, Germ. 



JS 3. Hinder pairs of tibiae 

 entirely black. 



Black, bare; base of antennae, femora and anterior 

 tibiae yellow-brown. Forehead punctured in wrinkles ; 

 rostrum long, slightly curved ; thorax longer than broad, 

 almost cylindrical, not very closely, rather strongly punc- 

 tured, with central furrow at base ; elytra with punctured 

 striae, interstices slightly convex ; anterior tibiae straight. 

 L. 1 — 1:1 1. Common. A. fagi, Lin. 



h 1. Third joint of antennae short 

 conical. 



A 2, Trochanters reddish. 



Narrow, Black, bare ; base of antennae brown ; femora 

 red. Thorax cylindrical, narrow, closely and finely punc- 

 tured, with feeble central furrow behind; elytra oblong 

 ovate, with rather indistinctly punctured striae, interstices 

 flat. L. 1 1. Common. A. assimile, Kirby. 



JB 2, Trochanters black or blackish. 



Black, scarcely pubescent, femora red. Head short and 

 broad ; rostrum very little curved ; thorax cylindrical, not 

 very closely punctured ; elytra ovate, convex, with deep 

 punctured striae, interstices slightly convex. L. f — 1 1. 

 Common. A. trifolii, Lin. 



h b. All tibiae red or yellow. 



A a, Male with rostrum entirely black ; 

 female with anterior coxae black. 



Black, with extremely fine pubescence; base of antennae 

 reddish-yellow; femora and tibiae red. Forehead with 

 deep longitudinal wrinkles ; thorax as long as broad, 

 slightly narrowed in front, strongly and rather closely 

 punctured, with a central furrow behind ; elytra oval, con- 

 vex, with deep punctured striae. L. f — 1 1. Common. 



A. flavipes, Fab. 



S b, Male with apex of rostrum yellow ; 

 female with anterior coxae red. 



Black, rather shiny, pubescence extremely fine ; antennae 



