334 AiiHiih (if the South African Mnsenm. 



(Wahlberg) ; 1 ^,\ 9, Mashoualaud (Marsljallj. Coll. Eis : 1 (J, 

 Loi-euco Marques, " bord de la mer " (1914, H. Juuod). Mus. 

 Hamburg: 2 cJ, 1 ?, Loreueo Marques (17 . ix . 1911, Michaelseu) ; 

 1 $,Beira (22 . ix . 1911, h7 )■ 



(J . Occiput aud labiuui whitish. Labrum, auteclypeus, genae, 

 frous uot quite to base of antennae green. Postclypeus brilliant 

 metallic blue. Dorsal surface of head otherwise Itronzy black ; small, 

 circular bright blue postocular spots. Prothorax bronzy black, sides 

 and a narrow anterior border bluish ; hind lobe small, sliallowly 

 divided in three rounded lobes, the lateral ones very narrow, the 

 median one slightly broader and semi-erect. Thoracic dorsum bronzy 

 black ; narrow regular ante-humeral lines bluish, ventral side yellowish 



Fig. 42. — Isclinura senegalensis, g. Blue Cliff. Appendages, right 

 side and postero-ventral view. 



white. Legs yellowisli, external side of femora broadly, of tibiae 

 narrowly black. 



Abdomen moderately stout. Segment 1 blue with a mid-dorsal 

 black band ; 2 blue on sides, brilliant metallic blue on dorsum ; 5-7 

 yellowish on sides, bronzy black on dorsum, the yellow colour ascending 

 in very narrow basal rings ; 8 blue ; 9-10 blue on sides with black 

 mid-dorsal band. Appendages (Text-fig. 42). 



Pterostigma narrow, slightly elongate, rhomboid, of e(|ual form in 

 both wings ; black in proximal, whitish in distal half iu front wing, 

 light greyish ochreous in hind wing. 



$. a. (Andromorphous or homoeochromatic form.) Almost entirely 

 similar to male in colour, the only appreeialile differences being dorsum 

 of segment 2 bronzy black with only an indication of metallic blue, 

 sides of segments 3-7 rather olivaceous than yellowish. Pterostigma 

 concolorous, greyish ochreous in both wings. 



