GRAPXOMYZA. 143 



rather tliick, inodenxtely broad, lai^eral, dark brown margin, 

 narrowing posteriorly and disappearing at tip. On the hind 

 border of tlie 2nd segment two moderately large, dark brown 

 triangular spots; reproduced on the 3rd segment, but a litth; 

 larger, and with rounded angles ; and again on the 4tli segment, 

 more triangular and of the same size as those on tlie 2nd seg- 

 ment, but placed quite clear of the hind border. Dorsum of 

 abdomen practically bare, but w'ith some short yellow haii'S 

 towards the tip. Leys yellow, fore coxae with short pale yellow 

 hairs; femora with a brown streak below; tibiae pale yellowish- 

 brown, the hind leg (one leg missing) showing the brown ahnost 

 as a wide band; tarsi yellowish, brownish on upper side. Legs 

 with short yellow hair, a little thicker on the tibiae. Wings clear 

 yellowish-grey, tip of subcostal cell tawny-brown, forming a not 

 very well-detined stigma at the tip of the mediastinal vein, 

 llalteres orange-yellow. 



LengtJi, 7| mm. 



Described from one § in fair condition in the Indian Museum 

 collection, from 8ikkim. Another 5 in tlie British Museum from 

 Dibra, Ivhasi Hills, 1878 (OhenneU). 



ll.j. Graptomyza ventralis, Wied, xar. mgv'n^es, Jjran. (PI. Ill, 

 tig. 17.) 

 Graptomyza ventralis, Wiedemtum, Auss. Zwelti. ii, p. 207 (18;30). 



2 . Head : frons and face witli practically parallel sides, rather 

 less than one-third of head; frons short, blackish, with short 

 yellowish pubescence ; face and snout dull yellowish, with a 

 moderately broad median black stripe from base of antennae and a 

 similar stripe on each side from the eyes, all three stripes reaching 

 tip of snout; latter about as long as height of eyes, with a little 

 brown pubescence towards tip on upper side, and some short 

 white hairs towards tip at sides and below. Antennal 3rd joint 

 very elongate, orange, as is the plumose arista. Eyes with micro- 

 scopical greyish jnibescence ; upper occipital margin witii short 

 whitish hairs, lower margin with white pubescence that grows 

 shorter at sides, where it dies away. Thorax rather dark aeneous 

 with short, somewhat dense brownish-grey pubescence ; humeri 

 and a s|)ace below them, hind corners of dorsum narrowly and 

 irregularly along hind margin, and a short \ertical stri])e on 

 mesopleura, dull yellowish ; cluctotaxy normal. Scutellum dull 

 yellowish; centre blackish ; a row of long black bristles on hind 

 margin, and also a row of stiff erect long yellow hairs there. 

 Ahdomen dull yellowish; base, except in centre, black: side 

 margins )iarrowly to tip. a little more broadly in front, bhuk. On 

 hind margin of 2nd segment a large transverse spot, not reaching 

 sides, rounded anteriorly and extending forwanis beyond middle 

 of segment ; ;'>rd and 4th segments Avith a similar spot each, but 

 leaving only a narrow yellow anterior margin to each segment, 



