162 



ERNEST E. AUSTEN — THREE NEW AFRICAN SPECIES 



with hair of same colour ; a small, clove-brown or blackish, median emargination 

 (looking like the rounded termination of the centre dark stripe on the dorsum of 

 the thorax) sometimes visible on the front edge of the scutellum. Abdomen : 

 longitudinal stripes on dorsum widely separated from lateral margins, commenc- 

 ing at base beneath scuteUura, where they are in contact, terminating just before 

 reaching hind margin of sixth segment, and frequently interrupted on hind 

 margins of fourth and fifth segments ; a vestige of the stripes sometimes visible 

 in centre of seventh segment : dorsum, except stripes on first four segments. 



^^V 



Fig. 1, — Chri/snps marjnlficn, Austen 



clothed with short, bright, cadmium-yellow or safifron-yellow hair ; venter safFron- 

 yellow, unicolorous, clothed with short, appressed hair of same colour. Wings : 

 dark area clove-brown or blackish brown, as shown in fig. 1 commencing at base, 

 including costal cells, extending diagonally across proximal portion of first and 

 second basal cells, and occupying whole of distal portion of wing from level of 

 origin of thii-d longitudinal vein ; hind margin of infuscated distal extremity only 

 very faintly lighter than elsewhere ; distal portion of axillary cell slightly in- 

 fuscated ; stigma clove-brown. Squama; blackish. Halteres clove-brown, base of 

 stalk lighter. Legs : tibia? not incrassate, hind tibias fringed on inner and outer 

 sides with fine black hair. 



GrERMAN East Africa : type and six other specimens from South Usagara, 

 22, 23. XII. 1910 (S. A. Neave). 



Chrysops magnifica,, which presents a certain superficia,! resemblance to 

 C. hicolor, Cordier* — especially when the wings are in the resting position so 



'* Syn. C. iiif/rlflava, Austen : cf. E. E. Austen, " Illustrations of African Blood-Sucking 

 Flies," p. 48, Plate II, Fig. 14 (1909). C, hicolor also occurs in German East Africa (Usambara). 



