in the British Museum. 3 



winji-tii) extensively darkened, this includinof the outer halves 

 of cells 2nd R^, B^, B-^, all of 2nd M. and J/-,, and the apices 

 of Cui and Cu ; the outer end of cell 16/ Mo is seamed with 

 brown, confluent with the dark wing^-apex. Venation : Sc 

 long, Sci ending opposite the fork of Rs, Sc2 at the tip of 

 Scj ; Rs long, strongly arcuated at origin ; r at the tip 

 of Bi ; basal deflection of i?4_,.5 less than twice the length of 

 r ; cell 1st M.2 closed, large^ longer than the veins beyond it; 

 the remainder of the wing-tip is injured and cannot be 

 described. 



Abdominal tergites reddish yellow, the bases of the seg- 

 ments more or less blackish, this most distinct ou tergites 

 six and seven where it occupies about the basal half of the 

 segment ; on the basal and intermediate segments these 

 marks are much paler ; sternites similar, the black markings 

 on segments six and seven distinct. Ovipositor with the 

 valves chitinized, but relatively short and stout; sternal 

 valves black at the base on either side of the median line, 

 the tips acute ; the weak and rather slender tergal valves 

 are bent upward at about mid-length. 



Hub. Southern Nigeria. 



Holotype, ? , Ilesha, September 18, 1910^ caught in house, 

 1 P.M. [Capt. L. E. H. Hamfrey). 



Presented by the Entomological llescarch Committee, 

 1911-422. 



Type in the collection of the British Museum (Natural 

 History). 



Dicranomyia woosnami, sp. n. 



General coloration light yellow ; antennae yellow ; tips of 

 the femora and tibiae narrowly darkened, claws simple ; 

 wings hyaline, with sparse, small, brown spots ; abdominal 

 tergites marked with brown triangular cross-bands; ovi- 

 positor with the tergal valves very small, strongly curved. 



Female. — Length about 6 mm. : wing 6*8 mm. 



Rostrum and palpi dark brown. Antennae with the first 

 scapal segment dark brown, remainder of the antennae light 

 yellow, the terminal three segments very slightly darkened ; 

 flagellar segments long-oval with rather long, black verticils. 

 Head dark brown, the vertex narrow. 



Mesothorax clear shiny yellow without dark markings ; 

 metanotum dark brown. Halteres pale, the knobs a bttle 

 darker than the stem. Legs with the coxae and trochanters 

 pale yellow ; femora yellow, the tips narrowly dark brownish 

 black ; tibia: brownish yellow, the tips vcrv narrowly dark 



1* 



