t7j the British Museum. 25 



the scaj)al segments dark brown, tlie flagtlliim broken, 

 liead (lark brown, the clieeks with long curved setae. 



Mesonotum dark brown without ajjpareut daiker markings, 

 the pleura a little paler. Halteres broken. Legs with the 

 coxse and trochanters testaceous brown ; remainder of the 

 legs dark brown, the tarsi somewhat })aler brown. \A'ings 

 hyaline; s'igma narrow, iiidi>tinct, pale brown; veins dark 

 brown. Venation : Sc ending just before the fork of Rs, 

 Sc2 at the tip of Sci; Rs long and almost straight; cell 

 1st AIq open by the atrophy of m; basal deflection of C«i 

 inserted a short distance beyond the fork of M, the distance 

 between it and the fork of M about one-third the fusion of 

 Cui and M-^. 



Abdomen daik brownish black, the tip injured. 



Hab. Sierra Leone. 



Holoty/>e, sex?, Daru {Dr. Murphy). 



Presented, by the Entomological Research Committee. 

 1913.894. 



Type in the collection of the British Museum (Natural 

 History). 



Rhaiuphidia imperftcta may be told by the open cell \st M.j, 

 a character possessed only by R. cnuaiou/iensis, Alexander, 

 among the known Ethiopian species of the genus. This 

 latter fly is the type of tiie subgenus Rhamphidinu, distin- 

 guished by the shorter Sc, the very divergent veins i?2_|.3 and 

 /^4+5 with the Consequent widening of cell R^, and tlie loca- 

 tion of the basal deflection of Cui before the fork of M. 



Genus Teucholabis, Osten-Sacken. 

 Teucholubis I'uLrithorax, sp. n. 



lle;.d black; thorax shiny reddish yellow throughout; 

 wings subhyaline with tiiree narrow brown cross-bands, the 

 last occupying the wing-tip far beyond tl e outer end of cell 

 \sl M., ; aijdouien black, tlie ovipositor reddish horn-colour. 



Female. — Length about 7"5 mm.; wing (y2 mm. 



Rostruin slender, nearly as long as the l ead, dark brown ; 

 palpi dark brown. Antennse dark biownish black, the 

 scapal segments a little paler brown. Head black, the 

 anterior part of the vertex sparsely grey-pubescent. 



Neck brown. Pronotum reddish. JMcsonotum shiny 

 redddisli yellow without distinct darker stripes. P;eura 

 reddish yellow. Halteres duk brown, the knobs light 

 yellow. L: gs with the coxie and trochanters reddish yclhjw ; 



