20 Dr. C. P. Alexander on African Crane-flies 



wing-margin ; cell \st M. 2 very small for a member of this 

 genus, pentagonal, the section of M 1+2 between r—m and m 

 shorter than the basal section and about equal to m ; the 

 fusion of il/ 3 and Cu x longer than any of the other veins 

 that surround cell \si M 2 ; basal deflection of Cu x before 

 the fork of M, this distance about equal to one-half the 

 length of the basal deflection of Cu x . 



Abdominal tergites dark brown, the hypopygium brown, 

 the sternites reddish brown. 



Hub. Nyasalaud. 



Holutype, S > Mt. Mlanie, December 5, 1912 (S. A. Reave). 



Presented by the Entomological Research Committee, 

 1913. 236. 



Type in the collection of the British Museum (Natural 

 History). 



This curious fly requires comparison with no other of the 

 known species of the genus. It is dedicated to the collector 

 in appreciation of his efforts in collecting members of this 

 neglected family of flies in Eastern Africa. 



Genus Dicranoptycha, Osten-Sacken. 

 Dicranoptycha atricolor, sp. n. 



General coloration deep shiny black, the antennal scape 

 and bases of the fore femora brighter. 



Male. — Length about 10 mm. ; wing 12 mm. ; hind L g, 

 femur 9 mm., tibia 10*3 mm. 



Rostrum and palpi dark brown. Antennae with the scape 

 dark brown, the flagellar segments black. Head dark 

 brown. 



Pronotum and mesonotum deep shiny black. Pleura 

 shiny black. Prosternum broad. Haltercs dark brownish 

 black. Legs with the coxae and trochanters black ; femora 

 black, the bases of the fore femora dull yellow ; tibiae dark 

 brown, tipped with black ; metatarsi dark brown, tipped 

 with black; remainder of the tarsal segments broken. Wings 

 with a deep, dark brown tinge, more suffused in the cosal 

 region ; veins dark brown. Venation : Sc longer than in 

 D. nataiia, Sci ending about opposite r-m, Sc 2 beyond mid- 

 length of the deflection of B i+5 ; B.! beyond r shorter than 

 the deflection of R i+5 ; Rs short, about equal to or shorter 

 than cell Is/ M 2 . 



Abdomen black throughout. j 



Hob. Uganda. 



