BRENDEL — SYNOPSIS OF FAMILY OF PSELAPHID.E. 3OI 



edges obsolete ; vertex arcuately impressed ; pro- 

 thorax with two or three longitudinal grooves, 

 two unequal claws . - - . Batrisus Aube 

 a Posterior coxas approximate. 



(/'" Body circulo-cylindrical, narrow ; vertex arcuate- 

 ly impressed, prothorax without longitudinal sul- 

 cus, the last antennal joint only enlarged, tarsi 

 with a single claw (^Trimiini). 



Elytral base bifoveate, no subhumeral fovea, 



head larger (^Trimiopsis Reitter) - - Trimium Aube 



Elytral base trifoveate with a subhumeral fo- 

 vea, head smaller - . - - Actium Casey 



d" Body elliptico-cylindrical, convex, broader, the 

 last three antennal joints enlarged, head trans- 

 verse, prothorax with sharp straight linear longi- 

 tudinal and basal sulcus crossing each other, tarsi 

 with two unequal claws {Trogasterifii), 



e" Prothorax at the sides not spinous. 



Elytra each with three basal foveolse, sutural 

 line and two shallow longitudinal discal impres- 

 sions, body uniformly tapering towards the head. 



CoNOPLECTUs Brendel* 



Elytra with four basal punctures, each with a 

 sharp line, the discal ones abbreviated. (^Rhexidius Casey) 



EuRHExiusf Sharp 



e' Prothorax at the sides spinous. 



Prothorax armed on the sides with a single sharp 



tooth, elytra with three discal lines ( Oropus 



Casey) Trogaster Sharp 



* The genus Conoplectus is founded on EupUctus canaliculatus, having a second rudi- 

 mentary claw, the fourth dorsal segment not prolonged, and an entirely different form of the 

 body than Euplecius. 



t A few months after Sharp's publication this genus was published by Casey by the 

 name " Rhexidius. " 



