new or little-known Tipulidoe. 169 



and from tlie tibial apex. Wings nearly hyaline ; costal 

 and subcostal cells indistinctly yellowish ; stigma lacking ; 

 veins brown, those in costal area more yellowish. Venation : 

 Rsloug., straight, in alignment with i?4_,_5 ; r connecting with 

 i?2+3 about one-half its length before the fork; petiole of 

 cell R[, abont equal to basal deflection of Cui, the latter a 

 short distance before the fork of M ; fusion of Cu.^ and 

 l.v^ A punctiform. 



Abdomen brown, the basal tergites more yellowish. 



Hal). Cameroun. 



Holottjpe, ? , Batanga, July 14, 1920 (/. A. Reis). 



Trentepohlia {Trentepoklia) pomeroyi, sp. n. 



General coloration brown, the pleura and lateral margins 

 of the mesonotum yellow; tibiae and tarsi obscure whitish ; 

 wings whitish subhyaline, marked with brown ; the large 

 cell 1st Ri largely pale ; cell /?2 largely dark-coloured ; 

 abdominal tergites dark brown, sternites obscure yellow, 

 the caudal margins of the segments broadly dark brown. 



Male. — Length about 5'5 mm. ; wing 4*6 mm. 



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



Rostrum obscure yellow; palpi dark brown. Antennae 

 brownish black. Anterior part of vertex dark brown, the 

 remainder pale brownish yellow. 



Mesonotum brown medially, the lateral margins 

 brightening into yellow, the scutellum and postnotum 

 darker brown. Pleura testaceous yellow, the mesosternum 

 a little darker. Halteres dark brown, the base of the stem 

 yellow. Legs with the coxae rather bright yellow ; tro- 

 chanters testaceous ; femora brown, the tips very narrowly 

 and indistinctly paler ; tibi?e and tarsi obscure whitish; in 

 the types only the fore and middle legs are attached, and in 

 these the tibiae are unarmed. Wings whitish subhyaline, 

 in the female the costal and subcostal cells more yellowish, 

 in the male more brownish ; conspicuous brown seams at 

 the origin of Rs, tip of Rj, and r, continued as paler brown 

 seams along Rs,R2^ji, the cord, and Cti; the wing-tip in cells 

 i?2, ^3j and i?6 is pale brown, the centre of cell R^ sometimes 

 paler; veins dark brown ; in the female, veins C, Sc, R, and 

 the distal section of 7?2+3 yellow; cell 1^/ Z?2 is large and 

 •with the centre conspicuously pale. Venation : Rs longer 

 than the first section _ of 7?2_,.3, cell 1st Ri consequently 

 elongate-triangular ; cell 7?^ narrow, its petiole about twice 



