the Tifulid genus Styringomyia. 215 



8. S. nigrofemorata, sp. n. 

 Fig. 51. 



Head dark brown. Antennae with the first joint dark brown 

 below, lighter brown above ; second joint dark brown ; remaining 

 joints yellowish brown with traces of darker rings. Thorax mainly 

 black ; light grey areas in the middle of the pronotum, on the middle 

 of the posterior half of the mesonotum and in the middle of the 

 scutellum; upper half of pleurae dark brown, lower half orange- 

 yellow. Abdomen black (discoloured). Legs: femora mainly 

 blackish brown, light yellowish on the basal fifth, a narrow yellow 

 ring at the base of the apical third, tip yellow. Tibiae brownish 

 in ground-colour, with the usual dark rings, which are fairly broad. 

 Wings slightly infuscated ; the dark spot over the R-M cross -vein 

 does not extend into cells Rj or R.^ + 3. M, + 2 and Ax are some- 

 what darker than the other veins ; Ax with its tip evenly curved to 

 the hind margin. Halteres rather dark. 



Type in the British Museum. 



Loc. Malay States : Taiping {L. Wray,junr.), 1 $. " 



9. S. impunctata, sp. n. 



Figs. 15, 16, 52 and 53. 



Head yellowish, with some small dark brown patches. First 

 joint of antennae dark below, light above; second dark brown. 

 Thorax : pronotum dark brown at the sides, yellow in the middle. 

 Mesonotum yellowish-brown ; a nari'ow median dark brown line 

 extends from the front half-way back towards the suture ; on each 

 side of this along the line of bristles, is another narrow dark brown 

 line, nearly reaching the suture, where it bends outwards to the 

 margin. Scutellum and postnotum dark brown with a yellow 

 median line. Abdomen dingy yellowish, the basal halves and the 

 posterior borders of the segments obscurely brownish. Legs (those 

 of the male missing) dingy yellowish, the rings complete, fairly 

 narrow, normal in position. Joints of tarsi slightly darker at the 

 tips. Wings without any dark spots on the membrane, except a 

 very slight trace round the R-M cross-vein. All the veins dark 

 except Costa and Rj. Ax angulated, the apical portion slightly 

 recurrent, a very short spur at the angle. 



Type in the British Museum. 



Loc. Northern Nigeria : Zungeru, Nov. 1910 {Dr. 

 J. W. Scott Macfie), 1 (^, 1 ?. 



