in the British Museum. 43 



Subgenus Paramongoma, Brunetti. 

 Trentepohlia (Paramongoma) nigeriensis, sp. n. 



General coloration uniform pale brown, the pleura more 

 yellowish ; legs pale brown, the distal tarsal segments whitish ; 

 wings pale greyish subhyaline ; r far before the fork of i? 2+3 . 



Female. — Length about 4*5 mm. ; wing 4*4 mm. 



Rostrum and palpi dark brown. Antennas dark brown. 

 Head brown. 



Mesonotum uniformly pale brown, the pleura more 

 yellowish. Halteres brown. Legs with the coxse and tro- 

 chanters brownish yellow ; remainder of the legs pale brown, 

 on the distal tarsal segments passing into dull whitish. 

 Wings pale greyish subhyaline; veins brown. Venation: 

 Sc moderately long, the space on costa between Scj and R x 

 a little more than half the length of r ; r on R 2+3 about two- 

 thirds its length before the fork of the latter ; R 2 a little 

 longer than r ; cell 1st M 2 closed ; basal deflection of Cm, 

 before the fork of M, the fusion of Cu x and M about equal 

 to m; cell Cu widely open, the space along the wing-margin 

 about equal to vein Cu 2 alone. 



Abdomen dark brown, the genital segment and valves of 

 the ovipositor more yellowish, the tergal valves very strongly 

 upcurved. 



Hub. Southern Nigeria. 



Holotype, $ , Akassa, May 5, 1910 {Dr. J. J. Simpson). 



Presented by the Entomological Research Committee, 

 1910. 222. 



Type in the collection of the British Museum (Natural 

 History). 



This new species may be told from the related T. ramisiana, 

 Riedel (British East Africa), by the position of the radial 

 cross-vein and other venational details. 



Subgenus Trentepohlia, Bigot. 

 Trentepohlia (Trentepohlia) inflata, sp.-n. 



Antennal scape dark brown, the flagellum pale brownish 

 yellow ; mesonotal praescutuni reddish brown with three 

 darker brown stripes; wings comparatively narrow, with the 

 costal margin near the origin of Its conspicuously dilated ; 

 cell R 2 small, nearly triangular ; brown wing-pattern 

 extensive. 



Female. — Length about 4*8 mm. ; wing 4*3 mm. 



Rostrum and palpi dark brown. Antennal scape dark 



