160 Annals of the South African Museum. 



Abdominal tergites chestnut-brown, sublaterally much paler, light 

 greyish -buff ; segment one and most of segment two with a narrow 

 dark brown lateral line ; segments three to eight with a pale greyish- 

 buff triangular spot at the base of each segment, the apex of the 

 triangle directed caudad. 



Habitat. Portuguese East Africa. 



Holotype, <$ , Quelimane, Loureu9o Marquez, December 20th, 1908 

 (C. W. Howard). 



Type in the collection of the United States National Museum, the 

 species being added here to complete the data. 



This fly differs from all of the described African species in the con- 

 spicuous erect hairs on the thorax. 



GEN. LEPTOTIPULA, gen. n. 



Frontal prolongation of the head moderately prominent, uasus 

 distinct. Antennae of the male elongate, 12-segmented, the first and 

 third segments subequal in length ; flagellar segments very elongated, 

 cylindrical, the first flagellar segment shortest, thence gradually 

 increasing in length to the fifth, and then shortened to the tip. 

 Tibiae with short spurs. Wings with JB 2 oblique ; cross -vein r short ; 

 a long fusion of Cu-^ and M. A , this distance equal to the length of cell 

 1st Me, ; second anal vein short. 



Genotype, Leptotipula limnophiloides, sp. u. (Southern Ethiopian 

 region). 



The long fusion of Cu } and M. A is a Limnobiiue character and quite 

 unexpected in this sub-family. In Dolicliopeza and Neplirotoma long 

 fusions may occur, but they are between Cu^ and M. 



LEPTOTIPULA LIMNOPHILOIDES, sp. n. 



Antennae elongated ; femora black at the tip with a yellow sub- 

 terminal annulus ; wings with a distinct brown stigma ; veins (?, 

 and MX fused for the length of cell 1st M z . 



Male. Length 7'6 mm. ; wing 8'2 mm. ; antennae about 4'8 mm. 



Frontal prolongation of the head rather prominent, brown, the 

 entire dorsal half abruptly light yellow ; a distinct uasus with 

 numerous pale yellow hairs : palpi dark brown. Antennae elongated, 

 the three basal segments brownish-yellow, the remainder dark brown ; 

 first flagellar segment short, about as long as the first scapal segment ; 

 remaining segments of the flagellum exceedingly elongated, slender, 

 with abundant pale outstretched hairs and scattered black bristles. 

 Head broad, the eyes large with fine ommatidia ; a low tubercle on the 



