342 



Annals of the South African Museum. 



less than their own breadth, aiid approaching dorsally so that the 

 dorsal yellow band is narrower than each black band. This mid- 

 dorsal yellow band trilobed on segment 2, narrowly interrupted by 

 terminal black rings on the other segments. Appendages (Text-fig. 44) 

 superior black, inferior yellow with black tips. Genitalia of second 



FIG. 44. Podogomphus praetorius, $. M'Fong-osi. Terminal segments, 



dorsal and left side view. 



segment (Text-fig. 45) yellow, extreme tips of hamuli black, sheath 

 dark brown. 



Wings very light greenish yellow to level of t, and still lighter 

 from half-way between nodus and pterostigma and to apex. Ptero- 

 stigma bright yellow between narrowly black veins. 



? . Free margin of occipital plate not deeply trilobate ; vertex as in 

 male. Third femora as in male, but spines still more robust, 5-6 



FIG. 45. Podogomphus praetorius, $ . M'Fongosi. Genitals, second 



segments left, side view. 



medial, 4 lateral strong spines. Abdomen more robust, slightly con- 

 tracted in segments 9-10. Sub-anal plates and supra-anal tubercle 

 yellow, appendages black. Appendages, sub-anal plates, and supra- 

 anal tubercle pointed, all of about equal length. Vulvar scale half as 

 long as ninth ventral plate, comparatively narrow, slightly contracted 

 at the end, where there is a small triangular excision, continued in a 

 furrow over about half the length of the plate. 

 $ , Abd. 36, hdw. 31, pt, 4 mm. ? , 38, 34, 4'5. 



