The Odonata or BragonJIies of South Africa. 



363 



genital pocket posteriorly (posterior yeuital lobe) projecting in a long 

 obtuse lobe, which projects veutrally considerably beyond the general 

 outline of abdomen ; lobes of both sides touching in median line. On 

 the anterior lamina two long and acute horizontal spines directed 

 backwards ; hamuli small (not clearly visible). 



Mid-dorsal carina of tenth segment raised in a short tooth in middle 

 of length, obsolete in posterior half, accompanied by one or two slight 

 folds on each side. Appendages (Text-fig. 63) dark reddish brown. 



Wings hyaline ; costal vein yellow anteriorly, cross-veins in basal 

 and costal part yellowish to nodus, triangle and case of Cn. Membrauule 

 dull brown, rather liroadly whitish at base. Pterostigraa very light 

 ferruginous. Eetieulation, Plate VIII, fig. 8. 



Fig. 63. — Aesehna subimpiUalu, g. Stutterheim. Terminal segments, 

 rio-ht side and dorsal views. 



9 . Labium and labrum darker ferruginous ; face and frons 

 anteriorly dull ferruginous with a shade of olivaceous. Frons above 

 as in male. Thorax and abdomen as in male, but dark part of 

 pattern lighter and light parts slightly more extended (discoloured in 

 our specimen) ; basal dorsal spots present on segment 8 and basal 

 lateral ones joined to terminal spots ; 9 light coloured entirely, except 

 a narrow, slightly sinuous transverse anterior line. Ventral plate of 

 first segment as in male ; terminal half of tenth ventral plate densely 

 covered with small black spinules. Valvae obtuse, projecting little 

 beyond end of abdomen. Wings as in male ; membrauule whitish in 

 basal, grey in apical half. 



S , Ahd. 42 + 6, hdw. 40, pt. 35 mm. ? , 44 + 4-5, 43, 35. 



This pair agrees well with MacLachlan's original description of 

 4- subjmpiUata, but almost as well with Calvert's (earlier) and 



