1908.] Records of the Indian Museum. y^ 



prominence J both blackish^ 31' cl joint brownish orange, with orange 

 arista. Frons and face with whitish hair, yellowish brown mixed 

 with black above the antennae ; facial callus of moderate size, 

 shining, bare ; proboscis and mouth, brownish black. Back of 

 head dark grey, with a narrow fringe of short greyish yellow hair, 

 which is longer below the head. 



TJiorax blackish, covered with light yellowish grey pubescence 

 which also occurs in front of the wing-insertion, on the cinereous grcA' 

 sides of the thorax. vScutellum tawny, with rather long yellowish 

 grey erect pubescence. 



Abdomen light chestnut-brown ; ist segment and base of 2nd in 

 middle, blackish ; 2nd segment, towards the posterior border, 3rd 

 and 4th segments, both at base and towards posterior borders, with 

 broad black transverse bands, slightl}^ elevated ; extreme edges of 

 segments pale. Whole abdomen lightly clothed with pale yellow 

 hair, which is much longer and thicker on the yellowish belly, on 

 which some traces of black transverse bands can be seen. The 

 abdomen consists of only the four distinct segments as described ; 

 unless a fifth segment can be recognised in a bare brown curved 

 plate twisted to the left side of the large genital process, which is 

 shining brown, bare, biglobular ; the lower globe bearing on its 

 under side some further small appendages. 



Legs : coxae dark brown, with pale yellow hair ; trochanters 

 much lengthened, brown, with some black marks and yellow hairs ; 

 anterior femora blackish, except pale tips, with soft yellow hair ; 

 hind pair enormously enlarged, blackish on upper side, and on 

 apical half below, with a broad black ring round the middle, 

 most distinct on the outer side ; on the lower side (apical half) is 

 a collection of short black spines, whilst soft yellow hair occurs 

 rather thickl}^ on the upper side, and on the basal half below' ; scat- 

 tered long yellow hairs occurring over the whole femur more or less. 

 The basal half of the femur below is considerably cut away, 

 the vacancy being replaced by a prominent, tawn}^ yellow tooth, 

 closely covered with long yellow hair. Tibiae brown, lighter at 

 base, with yellow short pubescence ; hind pair shining chesnut- 

 brown, much curved, almost bare, and terminating in a point in- 

 wards. Tarsi dark brown, the metatarsus thicker than the rest 

 of the joints. 



Wings very pale grey — not darker at base ; two minute blackish 

 suffusions at the stigma, and on the spurious vein just below the 

 fork of the 3rd longitudinal vein. Halteres very short, pale yellow, 

 covered wholly by the dirty white tegulse, which bear whitish hairs 

 on the margins. 



Described from a single a' in fair condition in the Indian 

 Museum collection, bearing no data, but marked " Inde " in Bigot's 

 handwriting. 



N.B. — I leave this species in Polydonta, as being the most suit- 

 able genus to receive it, as the shape of the abdomen, venation, 

 and pointed curved hind tibiae all agree perfectly with Macquart's 

 description and figure. There are, however, several points in 



