The Crane-flies of South Africa (Diptera, Tipvlidae). 153 



prominent, shiny black, rounded, situated near the anterior margin of 

 the sclerite, the distance between them a little greater than the 

 diameter of one ; scutum dark grey ; scutellum pale brown to brownish- 

 yellow ; postnotum black with a sparse grey bloom. Pleura with 

 the propleural sclerites yellowish ; mesopleura pale whitish-yellow, 

 with two broad blackish-grey stripes, the dorsal one beginning on 

 the prouotal scutellum continuing caudad to the mesonotal post- 

 uotum ; ventral stripe including the coxae and the mesosternum ; 

 mesosternum yellowish medially. Halteres pale brown, the knobs darker 

 brown. Legs with the coxae vellow, the outer faces dark with a 



o * 



dense grey bloom ; trochanters dark brown ; remainder of the legs 

 black. Wings with a pale grey tinge, vein Cv suffused with brown ; 

 stigma distinct, rounded-oval, brown ; veins dark brown. Venation 

 (Plate XI, fig. 17), Sc very long, extending to beyond mid-length of the 

 long sector ; Sc-^ rather long, longer than the radial cross-vein but 

 shorter than vein R., alone ; Us long, somewhat angulated at its 

 origin; R. 2 + ^ short; cross-vein r connecting R^ with -Ro + ;5 ; basal 

 deflection of R + 5 long, not on a line with r-m ; cell 1st M* open by 

 the atrophy of the outer deflection of M.^ ; fork of M l + . 2 longer than 

 its petiole; basal deflection of Cu\ beyond the fork of M. 



Abdominal tergites dark brownish-black, unmarked, the ovipositor 

 light yellowish-brown ; steruites black, the segments broadly margined 

 cauclally and laterally with yellowish ; lateral integument bright 

 vellow. 



tt 



Habitat. South Africa. 



Holotype, 9, G-illets, Natal, September, 1915 (Marley). 



Paratype, $, Krantz Kloof, Natal, September 26th, 1915 (Marley). 



Type in the South African Museum. 



GrONOMYIA (GrONOMYELLA) BREVIFURCA, sp. 11. 



Black ; thorax and abdomen striped and banded with bright yellow ; 

 wings with the radial cross-vein present; cell 1st M 2 open by the 

 atrophy of the medial cross-vein ; fusion of Cu^ and M. t very extensive, 

 the remaining fork being very short. 



Male. Length 4 mm. ; wing 3'3 mm. 



Eostrum and palpi black. Antennae black, the flagellar segments 

 rounded-oval. Head black ; eyes small with coarse ommatidia ; front 

 and vertex extensive. 



Pronotum black, the scutellum bright yellow. Mesonotum black with 

 a small yellow blotch on the outer caudal angle of the scutum inside 

 the wing-base. Pleura bright yellow with two broad black stripes, 

 the dorsal stripe extending from the pronotum to the mesonotal post- 



