292 



Annah of the i%iitJi African Mugevm. 



towards the postcljpeus, iucludiug posteriorly tlie base and the first 

 joint of antennae. Prothorax black, with light blue sides, anterior 

 margin, posterior lobe and two transversely oblong dorsal spots. 

 Thoi'acic dorsum black ; broiid, complete bine ante-hiimeral lines 

 nearly equal to the median lilack part of each mesepisternum ; their 

 ventral half touching the humeral suture, dorsal half slightly distant 

 and not quite touching the ante-alar sinus. Black colour invading 

 the sides to half way between the humeral suture and the metastigma ; 

 a moderately broad black line on the second lateral suture ; sides 

 otherwise blue, shading to whitish on ventral side. Legs long and 

 slender ; spines extremely fine, numerous, long ; legs black, tibiae 



Fig. 20.— C;i7oi-c 



is Marshalli, g. Mazoe. Appendages, left side 

 and dorsal view. 



externally reddish brown ; internal side of first femora in basal half, 

 and of second femora wholly shining white (third femora lost). 



Abdomen very long and slender, black, mai-ked with light blue and 

 whitish. Segment 1 with sides and a narrow terminal ring whitish ; 

 2 with sides narrowly whitish, a blue mid-dorsal line, much narrowed 

 near the posterior end, the black colour foi'ming a narrowly interrujited 

 U-shaped figure ; 3 with a blue mid-dorsal line, broad at base, rapidly 

 narrowed and reaching to two-thirds of the length of the segment as 

 a very narrow line ; 4-7 with narrow basal rings ; 8-10 with a broad 

 mid-dorsal band, slightly broader than each black margin. Appendages 

 black, the small dilatation near the end of superior light reddish 

 brown. Text-fig. 20. 



