Key to the Genera of Rhysodina

Ross T. Bell


1.      Temporal lobe with two medial angles, separated by a 
        semicircular emargination; orbital groove reaching occiput 
        (Figure 1); elytron without humeral tubercle..........Rhysodes

Click on an image to view larger version & data in a new window 




1'.     Medial angle of temporal lobe single or absent; orbital 
        groove short or absent; elytron with distinct humeral 
        tubercle (Figure 2)..........................................2

2(1).   Medial margins of temporal lobes parallel, close to narrow, 
        parallel-sided median lobe; basal impression of pronotum 
        short, preceded by fine, curved discal striole which ends 
        near middle of length of pronotum (Figure 2). ...........Kupeus

Click on an image to view larger version & data in a new window 




2'.     Medial margins of temporal lobes not straight nor 
        paralleling sides of median lobe (Figure 3); most species 
        with pronotum with complete paramedian grooves (in two 
        species with anterior part of paramedian groove broken into 
        row of large punctures.) .............................Kaveinga

Click on an image to view larger version & data in a new window

Figures 1 and 3 modified from:

Bell, R. T. and J. R. Bell. 1979. Rhysodini of the World part II. Revisions of the smaller genera (Coleoptera: Carabidae or Rhysodidae). Quaestiones Entomologicae 15: 377-446.

Figure 2 modified from:

Bell, R. T. and J. R. Bell. 1978. Rhysodini of the World part I. A new classification of the tribe, and a synopsis of Omoglymmius subgenus Nitiglymmius, new subgenus (Coleoptera: Carabidae or Rhysodidae). Quaestiones Entomologicae 14: 43-88.