GO STEATIOMYID^E. 



Odontomyia submutica, Brunetti, loc. cit. p. 130 (1907). 

 Oxycera indica, Brunetti, loc. cit. p. 119 (1907). 

 ? O.pusilla, Eabricius, Ent. Syst. iv, p. 271 (1794). 



3 $ . Head with eyes in ^ microscopically pubescent, barely 

 contiguous at nearest approach, and for a very short distance only,, 

 gradually separating to vertex ; i'rons shining black, with yellowish 

 hairs ; ocelli yellowish ; frontal triangle with yello \vish -grey 

 pubescence ; face and underside of head yellowish, with a little 

 whitish pubescence ; proboscis large, black ; antennae with 1st 

 joint distinctly longer than 2nd, orange-yellow, 3rd brownish, 

 4-annulatecl, tip black ; occiput black. In $ , whole head, in- 

 cluding the rather broad postocnlar orbits, yellow or orange- 

 yellow ; a broad shining black band across vertex from eye to eye, 

 sometimes with the appearance of being formed of three large 

 contiguous spots ; a pair of large oval shining black spots on frons, 

 placed transversely and slightly diagonally ; a pair of similar 

 smaller rounded spots below level of antennae and just below the 

 larger ones. Thorax black, with very short golden or greyish 

 pubescence ; sides black, a large pale yellow oblong spot below 

 shoulders, another in front of wing-bass, the two spots generally 

 connected above ; a third yellow spot below wing-base. 8cutellum 

 yellow, base black, spines generally extremely small, occasionally 

 normal in size. Abdomen of d 1 normally yellowish, with a large 

 rounded or somewhat diamond-shaped spot spread over middle of 

 first two segments ; a spot on middle of 3rd segment from anterior 

 to hind margin, narrowed behind ; on anterior margin towards 

 sides of 2nd segment, a small spot ; a similar larger one an each 

 side of 3rd segment ; on 4th and 5th segments a broad band on 

 anterior margin tilling about half the surface, the two bands con- 

 nected by a short median stripe ; all the above markings black. 

 In some males the marks are reduced to a dorsal row of small 

 detached rounded or angular spots ; in one d the abdomen is 

 wholly yellowish except for a single small black spot on 2nd seg- 

 ment. In $ a large spot similar to that of the d spread over 

 middle of 1st and 2nd segments, with a small spot towards each 

 side in a line with it; sometimes the three spots more or les 

 united by a short connecting stripe ; in one $ the spots were re- 

 placed by a definite uninterrupted broad band ; abroad black band 

 on anterior margin of 3rd, 4th, and 5th segments nearly filling the 

 sufraces and sometimes united in the median line by a dorsal 

 stripe. Venter in both sexes mainly yellowish. Leys brownish 

 yellow; femora with a broad median dark brown band; hind tibiae 

 with a similar band on apical half, generally leaving the lip pale ; 

 tips of tarsi barely darker. Witu/s absolutely colourless, anterior 

 veins and stigma very pale yellow; discal cell unusually small, 

 occasionally larger in individuals ; discal cell veinlets almost 

 invisible ; halteres yellowish. 



Length, 4-5 mm. 



Described from several specimens of each sex, including types of 



