186 RHYNCHOPHORA — CURCULIONIDAE. 



Similar to A. violaceum, but with rostrum rather shorter 



and thicker at base, antennae inserted somewhat nearer its 



base, thorax with a feeble central furrow behind. L. 1\ 1. 



Moderately common. A. hydro lap at hi, Kirby. 



S 2. Funiculus of antennae thin, 



second joint nearly oval. 



Black, rather shiny, nearly bare ; elytra blue. Eostrum 

 of male short ; thorax narrow, not very closely punctured ; 

 elytra oval, with punctured furrows. L. 1^ 1. Moderately 

 common. A. marchicum, Herbst. 



b 1. Sides of thorax distinctly rounded. 



Black, rather shiny, nearly bare ; elytra greenish-blue. 

 Head large, punctured ; rostrum short, very thick ; thorax 

 almost globular, very closely punctured, with a short cen- 

 tral furrow or a depression before scutellum ; elytra oval, 

 with punctured striae, interstices flat. L. 1 — Ih, 1. Mode- 

 rately common. A. affine, Kirby. 

 B 1. Elytra black. 



Black, with gray pubescence. Eostrum very short; 

 forehead finely wrinkled ; thorax cylindrical, as broad as 

 long, distinctly punctured, with an impression behind ; 

 elytra oblong oval, with punctured furrows, interstices very 

 slightly convex. L. 1 1. Common. A. humile, Germ. 



BRIBHINIDES. 



A, Eyes small, rounded. 



Antennae short, scape not reaching over eyes, funiculus 

 with seven joints; thorax slightly Insinuate at base; second 

 abdominal segment scarcely longer than third, separated 

 from first by a straight suture ; tarsi short, rather narrow, 

 fourth joint reaching moderately beyond anterior margin of 

 third, claws very small, soldered at base. 



Brachonyx, Schoenh. 



IB* Eyes moderately large, transverse. 



a. Fourth tarsal joint not or scarcely reaching beyond 

 front of third. 



I, Funiculus of antennae with seven joints. 

 1, Fourth tarsal joint absent. 

 Eostrum scarcely longer than head, scrobes oblique; 



