346 CLAVICORNIA PSELAPHIDAE. 



Similar to Eiijjlcdus, Ijut with thorax longer than broad, 

 sides only slightly rounded, and body somewhat convex. 



Trimium, Aub. 



Batrisus. 



Eust-red, shiny ; abdomen black or pitchy. Vertex of 

 head with a small depression in middle ; posterior tibiae 

 without any apical spine. Last joint of antennae mucli 

 broader than penultimate one in male, and eipial in Ijreadth 

 to it in female. L. 1 1. Scarce. B. venustus, Ileich. 



Trichonyx, 



A, Elytra finely and closely punctured. 



Reddish yellow-brown ; antennae and legs rather lighter. 

 Forehead with a horseshoe-shaped impression ; disc of 

 thorax with a central furrow and three deep depressions 

 behind ; elytra with a deep dorsal stria, reaching almost to 

 middle, and entire sutural and side striae. L. \ 1. Eare. 



T. sulcicollis, Eeich. 



jB. Elytra not punctured. 



Very similar to P. sulcicollis, but with head rather more 

 pointed, the liorscshoe im})ression on forehead ending 

 behind in a large round depression, and the dorsal stria on 

 elytra shorter and shallower. L. 1 1. Eare. 



T. Mdrkeli, Aub. 



Brijaxis. 



A. Thorax with three equally large depressions before 

 base. 



a. Basal depressions of thorax united by a transverse 

 furrow. 



Black ; elytra red ; antennae and legs lighter or darker 

 brown. Elytra with a sutural and an abbreviated dorsal 

 stria ; anterior trochanters not toothed. Male with a little 

 tooth in middle of inner margin of anterior tibiae ; an- 

 tennae longer than in female. L. f — 1 1. Common. 



B. sang nine a, Fab. 



6. Basal depressions of thorax separate. 



I, Head, thorax, and abdomen tlark brown or pitchy. 



1, Anterior trochanters of male not tu<jtlied. 



