in the British Museum. 27 



Hab. Aslianti. 



Holotype, cJ , Obuasi, June 8, 1907 (Dr. TV. M. Graham). 

 B.M. 1908. 245. 



Allotopoti/pe, ? , July 5, 1907. 



Type in the collection of the British IMuseum (Natural 

 History). 



A note by the collector indicates that these specimeus^ 

 were ''caught on window.'^ 



Tribe Eriopterini. 



Genus Erioptera, Meigen. 



Erioptera {Erioptera) carisdma, sp. n. 



Antennre pale brownish yellow ; head shiny black ; meso- 

 no'al prsescutum obscure yellow with three stripes, the 

 median stri|)e reddish brown, the lateral stripes bhickish ; 

 halteres jiale yellow at the base, the remainder brownish 

 bhack ; legs light yellow; wings light yellow, with three pale 

 greyish cross-bands, the tip broadly pale ; male hypopvgium 

 with two pleural appendages, the inner one branclied; 

 gonapophyses |)owerful, directed laterad. 



Male. — Letigth about 5'5 mm. ; ^ing .5"3 mm. 



Female. — Length al)out 5 8 mm.; wing 5"4 mm. 



Kostruin and palpi pale brownish yellow. Antennjie in 

 the male sex pale brownish yellow, in the female with tlie 

 flagellum a shade darker broMii than the scajie. Head 

 shiny brownish bhick, eyes of the male very large, broadly 

 contiguous beneath. 



Mesonotum higlily polished, obscure yellowish, with three 

 broad stripes, ihe median stripe reddish brown, the lateral 

 stripes almost black ; scutum with the lobes shiny brownish 

 black, indistinctly margined with pale ; scutellum dull 

 b.ownish yellow; postnotum with the basal half brown, the 

 posterior half almost black. Pleura with the dorsal sclerite* 

 deep chestnut-bruwu, the ventral sclerites yellowisli ; a con- 

 spicuous china. white area on the mesei)isteruum, cephalad 

 and ventrad of the wing-root ; in the paratype, this area is 

 scarcely evident. Halteres wiih the basal half (/f the stem 

 pale yellow, the remainder of the stem and the knobs dark 

 l)rownish black. Legs with the coxae and trochanters 

 light yellow; femora clear golden yellow; tibiae brownish 

 yellow; tarsi jjale, the a})ical segments dark brown. "Wings 

 light yellow, including a broad incomplete sub-basal band, 

 a broad band immediately before the cord, and the broad 



