306 BRACHELYTllA — OXYTELIDAE. 



Mentum simple ; third joint of maxillary palpi scarcely 

 longer than second, fourth almost as long as second and 

 third together ; ligula somewhat emarginate in front, an- 

 terior angles much produced ; paragiossae free at apex but 

 scarcely longer than ligula. Antennae gradually thickened 

 toward apex ; thorax slightly raised longitudinally in 

 middle ; elytra with three indistinct raised longitudinal 

 lines; scutellum distinct. Acrognathus,l^r. 



-Z? JB, Anterior tibiae without spines. 



Mentum simple ; joints of maxillary palpi about equal 

 in breadth, third rather shorter than second ; ligula rather 

 deeply emarginate ; paragiossae free at apex but scarcely 

 longer than ligula ; joints of labial palpi about equal in 

 breadth, second rather shorter and third rather longer than 

 first. Antennae slightly thickened toward apex, third 

 joint almost longer than first ; thorax much narrower than 

 elytra; scutellum distinct. Dcleaster,'Ev. 



Oxyjforus, 



Head l)lack ; thorax red ; elytra black, with a large 

 reddish-yellow spot on shoulder ; abdomen with first five 

 segments red, and apex black ; antennae reddish-yellow, 

 ecpex brown. L. 2| — 4 1. Kather common. 0. o-ufus, Lin. 



Jilediiis, 



A, Thorax with a distinct central fprrow. 



«* Thorax of male produced into a horn in front. 



I, Length 2| — 3| lines. 



1. Thorax rather diffusely punctured. 



A A, Elytra l)lackish-brown or reddish-brown, 

 with' a large blackish triangular spot round 

 scutellum ; sides of forehead produced into a 

 long horn in male. 



Head, thorax and abdomen black, apex of latter gene- 

 rally red-brown ; antennae and legs red-brown, sometimes 

 darker. L. 2| 1. Moderately common. B. taurus, Germ. 



Ji ]i. Elytra red, with l:)ase scarcely blackish ; 

 sides of forehead raised only into a 1 )lunt knob 

 in male. 



