new or little-known Tipulidae. 167 



Thorax shiny black, the humeral region not brightened. 

 Halteres light yellow. Legs with the coxae brownish 

 testaceous, the fore coxse darkest, the posterior coxae testa- 

 ceous yellow ; trochanters obscure yellowish brown ; 

 remainder of the legs brown, the tarsi very slightly paler ; 

 a long curved bristle before tip of hind tibia in both sexes ; 

 in the males, at least, a similar bristle may occur ou the tibiae 

 of other legs. Wings whitish subhyaline ; cells C and Sc 

 more yellowish ; conspicuous dark brown bands on the wing ; 

 a basal area occupying the bases of cells R to 1st A ; a band, 

 at the cord, broadened out in the base of cell Ist Ri, the 

 centre of this area varying from pale to almost solid, the 

 mark extended along the cord and vein Cu as broad 

 conspicuous seams ; distal band occupying the wing-tip, but 

 centre of cell R^ distinctly pale ; veins brown, more 

 yellowish in the pale costal areas. Venation : Rs in align- 

 ment with the deflection of Ri_^.B ; -R2+3 strongly arcuated, 

 tip of /?] and r very pale, subatrophied ; cell 7^3 spoon- 

 shaped, greatly dilated on its proximal half, the outer half 

 narrow and with parallel sides ; basal deflection of Cui 

 immediately before the fork of M ; fusion of Cu^ and 1st A 

 slight. 



Abdomen black, the genital segment in both sexes obscure 

 reddish. 



Hub. Cameroun. 



Holotype, S , Efulan, June 5, 1920 (/. A. Reis). 



Allotopotype, $ . 



Paratopotypes, 1^,1 ? . 



Trentepohlia [Trentepolilia) nox, sp. n. 



General coloration black ; knob of halteres brown ; legs 

 brownish yellow, the tips of the femora conspicuously 

 brownish black ; posterior tibise with three or four bristles 

 before tips ; wings pale greyish subhyaline ; veins conspicu- 

 ously seamed with brown ; centre of the large cell \st Ri 

 pale ; wing-tip darkened, this including all of cell i?2 ; Rs 

 about one-half longer than the first section of /i^+s* 



Female. — Length 7 mm. ; wing 6*9-7 mm. 



Mouth-parts yellow ; palpi dark brown. Antennae dark 

 brown. Head dark brown. 



Mesonotum shiny brownish black, the extreme anterior 

 margin of praescutum on either side of median area obscure 

 yellow. Pleura shiny dark brown. Halteres dark brown, 

 the base of the stem pale. Legs with the coxte and tro- 

 chanteis obscure yellow ; femora brownish yellow, the tips 



