The Odonata or Bracjonflieg of SoufJi Africa. 



509 



N.E. Rhodesia, mid. Luangwa Valley, 13-1800 ft. (23-31 . viii . 

 1910, id.). 



(^ . Occiput whitish, a small dark spot at the foraineu. Labiuni 

 light ochreous, labrum, aute- and postclypeus, genae, frons to level of 

 posterior ocelli brick red ; towards the occipital margin greenish or 

 bluish shades become gradually mixed to this colour. Very scanty 

 black markings ; a point in front of anterior ocellus, short and narrow 

 dots at side of same ; in level of posterior ocelli fragments of a 

 narrow transverse band ; a few points on occipital margin ; a kind of 

 very large postocular spots are indistinctly limited by these markings. 

 Antennae red, terminal joints obscure. 



Prothorax light yellowish red, laterally shading to whitish ; narrow 

 black lines in the transverse sutures. Thoracic dorsum yellowish red, 



Fig. 28. — Pseudagrion acaciae, $ . M'Fongosi. Appendages, right side 

 and dorsal view. 



sides very light greenish, shading gradually to whitish and slightly 

 pruinose ventrally and posteriorly ; marked with blackish ; complete 

 narrow line on median suture ; complete slightly broader line at 

 humeral suture, broader in ventral half and behind the suture than 

 across the suture and very narrow at dorsal end ; small dots in dorsal 

 end of first and second lateral sutures. Legs black, external surface 

 of tibiae and tarsi light reddish ochreous ; femora pruinose. Abdomen 

 comparatively short. Segments 1-7 dull greenish blue, with bronze- 

 black marks ; small dorsal spot on segment 1 ; U -shaped mark and, not 

 connected thereto, narrow terminal ring on 2 ; 3-7 narrow, but 

 successively broader mid-dorsal line, not fully i-eaching anterior end 

 and ' slightly enlarged immediately before posterior end of each 

 segment. Segments 8-10 marked black dorsally — 8 less, 9 more than 

 posterior half, 10 full length. Appendages (Text-fig. 28) reddish 

 brown. A* slightly proximal to Cuq, not fully the length of Cuq ; 

 20 



