Mr. J. R. Malloch on E.xotlc Muscarldre. 421 



A yellow species without black thoracic vittse and with 

 black marks on dorsum of abdomen similar to those of the 

 two preceding species. 



DichcBtomyia peciinipes (Stein), 



I have seen one male from Peradeniya, Ceylon, which I 

 am certain belongs to this species. 



Dichafomyia apicalis (Stein), 



Oue male from Cameroon, Africa, which I consider is 

 uufloubtedly referable to this species. 



Dichatomyia difftanti, sp. n, 



Male and female. — Shining rufous yellow. Frons fuscous ; 

 antennte yellow, third segment brownish apically; palpi 

 yellow. Thorax indistinctly vittate, slightly whitish pruin- 

 escent. Abdomen with a large crescentic spot on apical 

 half of third tergite and all of fourth tergite black. Legs 

 yellow. Wings clear. Cah^ptroe and halteres yellow. 



Male. — Eyes almost bare; head-structure normal. Thorax 

 with 2 + 3 strong dorso-centrals ; prealar short ; anterior 

 intra-alarlong; scutellum bare below ; prosternal and ptero- 

 pleural hairs yellow. Basal sternite hairy. Fore tibia with 

 a posterior bristle ; mid-tibia with two posterior bristles ; 

 hind femur with two or three preapical antero-ventral 

 bristles and some fine bristles on apical third of postero- 

 ventral surface. Fourth vein very slightly curved forward 

 at apex. 



Female. — Frons not over one-third of the head-width. 

 Hind femur without fine bristles on apical part of postero- 

 ventral surface; hind tibia as in male, with one antero- 

 dorsal and one or two antero-ventral bristles and a postero- 

 dorsal setula at middle. 



Length 7 mm. 



Type, male, and allotype, Johannesburg, South Africa, 

 vi. 1901 {IV. L. Distant). 



Dichcetomyia fuscitibia (Stein). 



The tarsi and usually a part of tibiae in this species are 

 blackened. 



I have before me seven specimens from Obuasi, Ashanti 

 (Dr. TV. M. Graham). 



