190 RHYNCHOPHORA — CURCULIONIDAE. 



lose punctures ; elytra distinctly striated. L. f 1. Eare. 



S. pygmaeus, Curt. 



TanyspJiyrus. 



Pitch-black ; antennae and legs usually brown ; sides of 

 thorax and some more or less distinct spots on elytra 

 covered with gray scales. Elytra with deep punctured 

 striae, interstices narrow, strongly raised. L. f 1. Com- 

 mon. T. lemnae, Fab, 



Bagous, 



A» Funiculus of antennae with seven joints. 



a. Antennae inserted a little before middle of rostrum ; 

 third tarsal joint not broader than second. 



I, Sides of thorax nearly straight, not rounded after 

 apical constriction. 



1. Elytra with tubercles before apex ; tibiae not 

 dilated on inner-side above middle. 



A A, Length 2| lines. 



a a. Each elytron with two tubercles before 

 apex. 



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

 closely covered with brown scales. Forehead with a de- 

 pression ; rostrum short, thick, moderately curved ; thorax 

 not transverse, constricted toward apex, nearly straight at 

 sides, extremely closely punctured, with an indistinct central 

 furrow ; elytra with fine punctured striae, alternate inter- 

 stices raised, second and fourth with a tubercle behind. 

 Rare. B. hinodulus, Herbst. 



I) h. Each elytron with only one tubercle 

 before apex. 



Black ; closely covered with gray scales. Thorax 

 broader than long, sides moderately dilated, very closely 

 punctured, with a short, indistinct central furrow behind ; 

 elytra with punctured striae, interstices unequally granu- 

 late, the alternate ones raised, fourth Avith a tubercle 

 behind. Eare. B. nodulosus, Gyll. 



B B. Length If— If lines. 



a a. Thorax with an indistinct central ridge 

 in front. 



