42 (41) Lateral processes of penis as wide as parameres near 



apex (Fig. 53); body more convex; elytron usually 

 with very faint humeral and apical spots; middle tibia 

 of male without the enlargement or spiny ridge on 

 inner side which is typical of most species of 

 Stenelmis; 2.75-3.1 mm long, 1.1-1.12 mm wide: 



Stenelmis oonvexuta 

 Lateral process of penis about half the width of 

 paramere near apex (Fig. 54); body less convex; 

 elytron with vitta entire, though slightly narrowed 

 at middle; 3-3.25 mm long, 1.17-1.3 mm wide: 



Stenelmis markeli 



43 (14) Lateral margin of fourth or iifth abdominal stemite 



produced as a prominent lobe or tooth which is bent 

 upward to clasp the epipleuron; epipleuron widened to 

 receive tooth, then usually narrowing abruptly toward 



apex '. 56 



Lateral margin of abdominal stemites not produced into 

 a prominent upturned tooth; epipleuron usually tapering 

 uniformly toward apex 44 



44 (43) Pronotum with sublaterai carinae 45 



Pronotum smooth, without sublaterai carinae 49 



45 (44) Prostemum projecting beneath head; epipleuron extending 



to middle of fifth abdominal segment; black; 2.5-2.6 

 mm long, 1.2-1.3 mm wide (Figs 55, 56): Rhizelmis nigra 

 Prostemum not projecting beneath head; epipleuron ending 

 at base of fifth abdominal segment; less than 2.3 mm 

 long 46 



Figs 55-"56 Rhizelmis nigra adult: 55- dorsal; 56- ventral 



34 



