164 Dr. C. P. Alexander on 



Dicranomyia mendica, sp. n. 



Anteunre dark brown ; liead grey pruinose, the vertex 

 with a median (hirk line ; mesonotum yellowish brown, 

 prsescutum with three brown stripes ; femora dark brown, 

 the tips conspicuously yellow ; wings greyish subhyaline, 

 stigma brown ; Sc long, cell \st M^ closed ; abdominal seg- 

 ments dark brown, the caudal margins of the segments 

 broadly pale. 



Male. — Length 55 mm. ; wing 66 mm. 



Female. — Length 6 mm. ; wing 7 mm. 



Rostrum slightly produced, brown ; palpi dark brown. 

 Antennee dark brown, the elongate terminal segment paler 

 brown; flagellar segments elongate-oval. Head light grey, 

 the vertex with a dark, elongate, median stripe. 



Prouotum yellowish testaceous, dark brown medially. 

 Mesonotal prsescutum with three conspicuous dark brown 

 stripes, the median stripe longest and broadest ; lateral 

 stripes indistinctly delimited at their anterior ends ; pale 

 interspaces narrow ; lateral margins of prsescutum sparsely 

 pruinose ; scutum testaceous, the lobes dark brown ; scu- 

 tellum and postnotum sparsely pruinose. Pleura testaceous ; 

 a brownish area on mesepisternum. Halteres yellow, the 

 knobs dark brown. Legs with the coxae and trochanters 

 concolorous with the pleura ; femora testaceous basally, 

 passing into dark brown before the tips ; apices conspicuous 

 pale jellow ; remainder of the legs dark brown. Wings 

 greyish subhyaline, the costal and subcostal cells slightly 

 more saturated; stigma oval, brown; veins dark brown. 

 Venation : Sc long, Sc^ extending to about opposite four- 

 fifths Rs ; Sc^ at tip of Sci ; Rs long, gently arcuated ; r at 

 tip of /?] ; basal deflection of -R44.5 about equal to or a little 

 longer than the deflection of ik/j+gj cell \st M^ about as 

 long as the outer section of Cui ; basal deflection of Cui at, 

 or immediately before, the fork of M^ longer than Ci^g- 



Abdominal segments dark brown, the posterior margins of 

 the segments broadly pale. 



Hub. Cameroun. 



Holutype, S, Bidu, July 24, 1920 (J. A. Reis). 



Allotopoti/pe, $ . 



Parutopolype, $ . 



Dicranomyia submendica, sp. n. 

 General coloration brownish yellow, the thoracic pleura 



