162 Annals of the South African Museum. 



Habitat. South Africa. 



Holotype, $ , Clairmont, Natal, August, 1915 (Marley)- 



Type in the South African Museum. 



TKJBE TIPULINI. 



GEN. LONGUEIO, Loew. 

 1869. Berlin. Entomol. Zeitschr., vol. 13, p. 3. 



LONGURIO MINUSCULUS, sp. 11. 



Head black with a greyish-brown bloom ; thorax orange-yellow, 

 unmarked ; abdomen brownish, the basal segments and the hypo- 

 pygium yellowish. 



Male.. Length 8' 2-9 -6 mm. ; wing 8-8-1O3 mm. 



Frontal prolongation . of the head moderate in length, yellowish- 

 brown, the mid-dorsal region darker, the nasus present, with elongate 

 hairs ; palpi dark brown. Antennae short, the scape yellowish, the 

 flagellum dark brownish-black ; first segment as long as the succeeding 

 two together ; second segment pyriform ; first flagellar segment 

 enlarged, elongate-pyriform, the remaining segments gradually 

 narrowed and more slender ; hairs on the flagellum very short. 

 Head black with a greyish-brown bloom, the front yellowish, this 

 colour continued on to the vertex along the inner margin of the eyes ; 

 ventral sclerites of the head yellowish ; sometimes the occiput is dull 

 yellow. 



Thorax orange-yellow without markings, the pleura more yellowish. 

 Halteres long and slender, brown, the knob darker. Legs with the 

 coxae and trochanters yellow ; femora and tibiae yellow, darkened 

 towards their tips ; tarsi dark brown. Wings light grey, the costal 

 region yellowish ; stigma small, greyish-yellow ; veins brown, Vena- 

 tion (Plate XI, fig. 26), petiole of cell M } about one-half the length of 

 vein M l alone. 



Abdomen with tin- b;isal tergites yellowish, more brown medially ; 

 on segments three to eight dark brown, more yellowish sublaterally ; 

 sternites dull yellow, the eighth segment brown ; hypopygium dull 

 yellow. Male hypopygium (Plate XIII, fig. 51) of the typical Longurio 

 structure, the ninth tergite (Plate XIV, fig. 56) small, deeply incised by 

 a U-shaped notch, the lateral lobes slender, subacute at their tips ; 

 the ninth sterno-pleurite moderately elongated, bearing at its apex 

 the pleural appendages that are beset by numbers of short black 

 spicules ; these appendages in a position of rest lie in the dorsal con- 

 cavity of the ninth steruo-pleurite. 



