388 Records of the Indian Museum. [Vol. IV, 



This species must be nearly allied to Chrysops pellucida, with 

 the face black, and to Chrysops translucens, with the first segment 

 yellow anteriorly. Rondani omitted to describe the abdomen, 

 which is now hard to distinguish as to colouring. 



Chrysops sinensis, ? cf , Walker. 

 (Plate XV, fig. 6.) 



Dipt. Saund., i, p. 453 (1856) ; Ricardo, Ann. Mag. Nat. 

 Hist. (7), ix, p. 2>77 (1902). 



In Brit. Mus. coll. 



Type (female) labelled ''China." Male from Haining, 

 Chekiang, China, 1893 (Walker). 



In Indian Museum coll. females from Hankow, China. 



Specimens from Formosa were sent me some time ago by 

 Dr. Kertesz for identification and proved to be this species, which 

 is distinct from any species belonging to the Palaearctic Region 

 and so far has not been found north of the Oriental Region 

 boundary. 



A large robust-looking blackish species with the first two 

 segments of abdomen largely yellow and sometimes the remaining 

 segments appear more yellow than black, with black median 

 oblique spots, or the abdomen appears blackish with median grey 

 triangular spots. Thorax black with distinct yellowish stripes. 

 Wings with a cross-band and apical spot, the former irregular 

 on its outer border becoming narrower as it approaches the fifth 

 posterior cell. Face, legs and antennae yellowish. Length type 

 and others 10— 1 1 mm. 



? . Face yellowish, the facial callosities reaching the oral 

 opening are shining, tawny, cheeks with a small black spot on 

 lower part near eyes and below blackish. Palpi tawny, rather 

 bare and shining. Antennae tawny, the third joint blackish, the 

 first two joints about equal in length, with very few yellowish 

 hairs, the first joint slightly incrassate, the third as long as the 

 first two joints together. Forehead covered with greyish yellow 

 tomentum, the frontal callus large, protuberant, transverse, not 

 reaching the eyes, vertex with the three ocelli blackish. Thorax 

 black, somewhat shining, with two well-marked median grey 

 tomentose stripes, sides with greyish yellow tomentum, breast 

 black with some grey tomentum. Scutellum black. Abdomen in 

 this species appears variable in colouring, in the type blackish, the 

 first two segments largely yellow, the second segment with only 

 two chevron-like black spots not quite joining above, their bases 

 resting on the posterior border, the remaining segments blackish 

 with narrow yellowish or yellowish grey borders expanding in the 

 middle to triangular spots, and with traces of a yellow spot on 

 each side of the third segment; in another specimen the yellow 

 colour is more greyish and on the posterior segments is more 

 extended leaving only black spots very similar to those in the 



