neio or little-knoivn Tipulidae. 165 



with a conspicuous dark brown longitudinal stripe ; wings 

 uniformly pale brown, stigma small, subcircular ; Sc loug, 

 cell 1^^ Mg closed ; abdominal tergites dark brown, sternites 

 obscure yellow, the caudal margins of the segments dark 

 brown ; pleural appendage of male hvpopygiura subequally 

 bifid. 



Male. — Length about 5 mm. ; wing 5*3 mm. 



Female. — Length 5"7 mm.; wing 5*5 mm. 



Rostrum and palpi dark brown. Antennae dark brown, 

 the oval flagellar segments densely white pubescent. Head 

 grey. 



Mesonotal prsescutum obscure brownish yellow with three 

 ill-defined darker brown stripes, the latei-al stripes paler 

 anteriorly, behind crossing the suture and suffusing the 

 scutal lobes. Pleura testaceous yellow with a conspicuous 

 dark brown dorsal longitudinal stripe. Halteres dark brown, 

 the base of the stem conspicuously light yellow. Legs with 

 the coxae and trochanters testaceous yellow ; remainder of 

 the legs dark brown, the femoral bases slightly paler. Wings 

 with a uniformly pale brown tinge ; stigma small, subcircular 

 in outline, dark brown ; veins dark brown. Venation : Sc 

 long, Sci ending immediately before mid-length of Rs, Sc2 at 

 tip of Sci ; Rs long, feebly angulated at origin ; cell 1^^ ik/j 

 closed ; basal deflection of Cui at or beyond the fork of M. 



Abdominal tergites dark broAvn, the ninth tergite obscure 

 yellow ; sternites obscure yellow, the caudal margins dark 

 brown. Male hypopygium with the single fleshy pleural 

 appendage profoundly bifid into two subequal, digitiform, 

 hairy lobes. Ovipositor with the bases of the powerful 

 sternal valves blackened. 



Hab. Cameroun. 



Holotijpe, S , Lolodorf, November 16, 1920 (/. A. Reis). 



Allotopotype, ? . 



Dicranomyia submendica is undoubtedly related to 

 D. fuscopleura, but is readily distinguished by the larger size 

 and structure of the male hypopygium. 



Trentepohlia (Mongoma) dummeri, sp. n. 



Similar to T. fragillima ; white femoral tips narrow ; 

 white tibial tips occupying a little less than one-third the 

 length of the segment ; wings grey, the tips darkened ; 

 abdominal sternites obscure yellow. 



Male. — Length 10-11 mm. ; wing 9-10'2 mm. 



Female. — Length about 10 mm. ; wing 9'2 mm. 



