'1918.] 



31 



2. Posterior trochanters not similar in the two sexes ; male without tooth on 

 posterior femora ; female with apex of elytra simple. 



a. Thorax broadest before middle, with margins distinct, flattened 

 and slightly raised ; sculpture of upper surface fine, pubescence 

 short, silky ; posterior femora narrow. Male with posterior tro- 

 chanters short and blunt at apex, with a long, strong, straight 

 tooth on outer side near tip ; fourth and fifth ventral segments 

 deeply impressed in centre, sixth with a small triangular ex- 

 cision in middle of apex ; median lobe of aedeagus (fig. 2) 

 sharply contracted at apical third, terminating in a long, narrow, 

 fine point. Female with posterior trochanters short, obtuse at 

 apex glauca, sp. n. 



h. Thorax broadest before middle, with margins distinct but not 

 flattened, slightly rounded from middle to base; sculpture of 

 upper .surface strong, pubescence coarser and longer ; posterior 

 femora thickened. Male with posterior trochanters longer, 

 pointed at apex, with a long, strong, curved tooth on outer side 

 near tip ; ventral segments with an impressed line extending the 

 whole length of abdomen, sixth distinctly raised in centre of 

 apex ; median lobe of aedeagus (fig. 3) contracted before 

 apical third, terminating in a long, broad point. Female with 

 posterior trochanters slightly longer and more pointed at 

 apex cisteloides Frol. 



c. Thorax broadest before middle, with margins distinct and slightly 

 flattened, contracted in an almost straight line from middle to 

 base ; sculpture of upper surface moderately strong, pubescence 

 long with distinct outstanding hairs intermixed ; posterior femora 

 stout. Male with posterior trochanters long and gouge-shaped ; 

 fourth and fifth ventral segments lightly impressed in centre, 

 sixth with a slight triangular notch in middle of apex ; median 

 lobe of aedeagus (fig. 4) conical. Female with posterior tro- 

 chanters longer and sharply pointed intermedia Kraatz. 



1. 2. 3. 4. 



sturmi. glauca. cinteloides. intermedia. 



5. 

 angustata. 



Drawings made to same scale, X 32, and of the same portion of the median lobe 



in each case. 



