T/if Craiie-JIies of Sontli Africa (Dijitera, TqyuUdae). 171 
TiPULA CAFFRA, Sp. U. 
Antennae with the flagellar segments uniformly elongate-cylin- 
drical ; coloration blackish with a yellowish pollen ; wings brownish- 
grey, the stigma and costal cell yellowish-])rown ; male hypopygium 
of simple structure, the ninth tergite extensive, profoundly incised 
medially by a V-shaped notch that extends about to the eighth tergite. 
i/((/e.— Length about 10 mm. ; wing 10*6 mm. 
Frontal prolongation of the head narrowed basally, dark brownish- 
black with a sparse greyish bloom ; nasus not distinct, but the whole 
apex of the prolongation with an abundance of stout black bristles ; 
palpi short, l)lack. Antennae black with sparse tiny grey hairs ; 
flagellar segments elongate-cylindrical, even more narrowed toward 
the tip of the organ. Head with the frontal tubercle not very 
prominent ; head black with a heavy greyish-golden pollen ; a blackish 
area on either side of the median line. 
Thoracic praescutum dark with a heavy yellowish pollen and with 
four l)rown stripes, the median pair confluent in front ; scutellum dull 
yellowish ; postnotum yellow, darkened behind. Pleura with the 
mesopleurites dark brown with a greyish pruinosity, the metapleurites 
light brown, conspicuously and abruptly lighter coloured than the 
anterior sclerites. Halteres brownish-yellow, the knobs darker. Legs, 
with the anterior and middle coxae dark brown, the posterior coxae 
brownish-yellow ; trochanters brownish-yellow ; femora light yellowish- 
brown, the tips broadly dark brown ; tibiae brown, darker at the 
tips ; tarsi dark brown. Wings brownish -grey, the costal cell and 
stigma light yellowish-brown ; a yellowish tinge along Cn ; a vitreous 
band before the cord crossing cell 1st M.-, and a smaller vitreous spot 
beyond the stigma ; veins dark brown, paler in the vitreous areas. 
Venation (Plate XII, tig. 33), Rs rather elongate, strongly angulated 
at its origin ; second anal vein short and straight. 
Abdomen with the basal segment light reddish-yellow ; remaining 
segments black with a sparse greyish bloom. Male hypopygium of 
simple structure. Ninth tergite dark brown, extensive, profoundly 
incised medially by a V-shaped notch, this cut extending about to the 
eighth segment, so that the ninth tergite, viewed from above, is 
completely divided into two lobes, each lobe triangular, the apex sul)- 
acute. Ninth sterno-pleurite smaller than the tergite, dark brown, 
the pleural region yellowish ; appendages yellow, simple in structure ; 
pleural suture deep, black and almost straight ; sternal region 
profoundly incised on the mid-ventral line, the adjacent edges not 
contiguous. ' 
