OXYTELUS. 311 



three red-brown ; sides of thorax feebly notched ; 

 legs redd isl I -yellow. 



Shiny, black. Forehead diffusely punctured behind, 

 shiny. L. 2 1. Kare. 0. fulvi^ics, Er, 



b. Forehead rather diffusely and finely punctured in 

 front ; elytra (except round scutellum) reddish ; body 

 narrower. 

 Head, thorax and abdomen black ; antennae dark pitch- 

 brown, with first joint blackish and next three generally 

 red-brown. Head rather diffusely punctured. L. 2 1. 

 Moderately common. 0. insecatus, Gr. 



H. Side margin of thorax not notched. 



u. Elytra with an impressed line at side ; abdomen with 

 lateral bristles. 



I, Antennae scarcely thickened toward apex ; eyes 

 large, 



1, Last joint of maxillary palpi linear, scarcely 

 shorter than penultimate, which is scarcely 

 thickened ; elytra yellow. 



Head, tliorax, abdomen and antennae pitch-black ; first 

 four joints of latter and the legs yellow. Forehead punc- 

 tured, with a short longitudinal furrow behind, almost 

 smooth in front. Sixth ventral abdominal segment of 

 male bisinuate at apex, with central lobe produced. L. 2\ 1. 

 Eare. 0. piceus, Lin. 



2, Last joint of maxillary palpi pointed, shorter 

 than penultimate, which is thickened ; elytra 

 pitch-black or reddish-brown. 



Black, shiny ; antennae black, with first four joints dark 

 brown above and at apex, red-brown beneath ; legs yellow. 

 Forehead rather diffusely punctured, with a deep, short 

 longitudinal furrow behind, impunctate and dull in front. 

 L. 2 1. Common. 0. sculpt us, Gr. 



TI. Antennae thickened toward apex ; eyes small. 



Black, shiny ; elytra, first four joints of antennae and the 

 legs yellow. Forehead punctured, wath three impressions. 

 Sixth ventral abdominal segment of male with two tubercles 

 at posterior margin, and clypeus Avith a little tooth on each 

 side in front. L. 2 1. Common. 0. laqueatiis, Marsh. 



