186 Annals of the South African Museum. 



Abdomen dark brown, the sternites more yellowish. Ovipositor 

 with the tergal valves slender, straight, acieular, divergent ; sternal 

 valves flattened, gradually narrowed to the subacute tips. 



Habitat. South Africa. 



Holotype, 9 . Oudebosch, Caledon, Cape Colony, altitude 1500 ft.,. 

 January, 1919 (K. H. Barnard). 



Type in the South African Museum. 



GrERANOMYIA (GrERANOMYIA) RUBRITHORAX, Sp. U. 



General coloration reddish-orange; wings greyish-yellow, the stigma 

 pale brown ; 8c. 2 present ; cell 1st M long and narrow ; Cu* longer 

 than the basal deflection of Cu^. 



Male. Length (excluding rostrum) 6'7 mm. ; wing 7 mm. 



Female. Length (excluding rostrum) 7 mm. ; Aving 7'9 mm. ;. 

 rostrum alone 2 - 8 mm. 



Eostrum long and stout, its exact length uncertain as it is broken a 

 short distance beyond the palpi, dark brown in colour ; palpi bi-articu- 

 late as in the subgenus. Antennae black throughout, the flagellar 

 segments short-oval with a short white pubescence ; verticils short, 

 secuud. Eyes large, the vertex very narrow, dark brownish-grey, the 

 under side of the head more yellowish. 



Mesonotum reddish-orange, the praescutum without distinct darker 

 markings. Pleura reddish-yellow. Halteres brown, the base of the 

 stem pale. Legs with the coxae and trochauters yellow ; femora 

 brownish-yellow, the tips darker ; tibiae brown ; tarsi dark brown. 

 Wings with a strong greyish -yellow tinge ; stigma rather large, rather 

 indistinct, pale brown ; veins dark brown. Venation : Sc short, Sc l 

 ending a short distance beyond the origin of Rs ; Sc., distinct, some 

 distance from the tip of Sc^ and proximad of the origin of Rs ; Sc-^ 

 more than one-half the length of the basal deflection of Cu^ alone ; 

 r indistinct, at the tip of J? 1 ; Rs strongly arcuated at origin ; basal 

 deflections of _K 4 + - and Ctt^ subequal ; cell 1st M 2 long and narrow, 

 longer than that portion of Cn l beyond it ; basal deflection of Cn l a 

 short distance before the fork of M ; CM,, longer than the basal 

 deflection of Cn-^. 



Abdomen brownish-yellow. Male hypopygium orange-yellow ; 

 pleurites rather slender, the ventral caudal angle produced caudad 

 and slightly proximad into a conspicuous cylindrical fleshy lobe that 

 is provided with long hairs ; ventral pleural appendage fleshy, a little 

 shorter than the pleurites, rather narrow, the tips obtuse, the proximal 

 cephalic margin produced into a slender arm that bears two stout 

 spines before its apex ; dorsal pleural appendage moderately long,- 



