318 SYRPHID^. 



oti ontei' side of tibiae and tarsi. Wings quite clear, 4tli loni^n- 

 tudiiial vein quite straight on the recurrent portiou. 



LemjtJi, 7 J mm. 



Described" from four $ ^ (including t^/pe) from Mergui, Lower 

 BLU-ma. and one J and one $ from Tura, Garo Hills, Assam, 

 14U0 feet, x. J917 {Mrs. Kemp); all in the Indian Museum 

 collection. 



247. Microdon iinicolor, Bmn. 



Microdun v/;nco/or, Brunetti, Rec. Iiid. Mus. xi, p. 225 (191.5). 



cT . Head dark violet, a dark bluish tint behind upper part of 

 ej'tis ; frons and face with rather long yellowish-grey hair, leaving 

 the centre of the latter bare; the hair is also sparser on the vertex 

 and round the ocelli. A few stiff black hairs behind vertex. 

 Middle and lower parts of ocular orbits with short yellowish-grey 

 hair. Proboscis brown. Antennae with 1st joint distinctly longer 

 than ;Jrd, nearly as long as 2nd and 3rd together; 3rd three times 

 as long as 2nd, 1st and 2ucl joints black, 3rd black with dirty 

 brownish-grey dust. Thorax and scntellum deep violet, only a 

 little shining, with i-ather thick, short, black pubescence, which 

 also occurs on the pleura ; mesopleura with a little short grey 

 hair. Abdomen deep violet, a little shining ; dorsum with very 

 short black pubescence ; longer, wholly grey pubescence at sides, 

 also sparsely on hind margins of segments. A'^enter deep violet, 

 nearly bare. Legs blackish-violet with minute black pubescence ; 

 tibiae with grey pubescence except on inner sides; tarsi with a 

 little grey pubescence above, with which at least on hind meta- 

 tarsi some black pubescence at the sides is intermixed. Wings 

 rather dark brown, a little paler on posterior half ; halteres 

 brownish-yellow. 



Length, 10-11 mm. 



Described from a perfect S from near Puri, Orissa, G. xi. 1912 

 {Gravely). In the Indian Museum. 



The other only violet-black species from the East is samatranns, 

 Wulp, which is marked freely on the body and legs with white 

 hair-spots. 



248. Microdon auricinctus, Bnm. 



Microdon auricinctus, Bruuetti, Rec. Ind. Mus. ii, p. 93 (1908). 



5 . This species bears considerable resemblance to my ruficandus, 

 but differs as follows : — The antennae are black, except the dark 

 red basal half of the 1st joint. The hair on the face is thick, 

 golden-yellow. Metanotum shining black. The 2nd abdominal 

 segment is black in the centre, and ferruginous-red towards the 

 sides ; nearly the whole segment, including the posterior border, 

 being covered with short, fiery, golden-reddish, tomentose hair. 

 3rd segment black ; a stripe of short bright golden hair across 

 the base, continued downwards over the edge, and along the sides, 

 below. A stripe also of similar hair on the posterior border, also 



