178 



BIBIONIU^. 



133. Dilophus gratiosus, Big. 



Dilophus (/mtioms, Bigot, Journ. Asiat. Soc. Bengal, lix, p. 265 

 (1890). ■ 



^. Head : eyes rather bright reddish brown, some loBg whitish 

 hairs below the head. Thorax shining, abdomen somewhat 

 roughened : posterior margin of scutellum, and a scutellar ridge 

 below it, connecting it with the metanotum, bright brownish 

 yellow. The whole body with short sparse pale hairs. Legs 



Fig. 19. — Dilophus gratiosus, Big.: a, "ing ; A, antenna 

 d, fore leg. 



thorax 



reddish brown, with yellowish hairs (longest on the femora); 

 coxa; and tips of tarsi darker. Wings (damaged) nearly clear ; 

 stigma dark brown, distinct but ill-defined ; halteres black, rather 

 large, stems yellow. 

 Lengtli 3 millim. 



$ . Head black, shining, eyes long, antennae jet-black. Thorax 

 bright ferruginous, with a thin black dorsal line, which widens 

 anterioi'ly and extends along the anterior Ijorders of the thorax 

 nearly to the shoulders. Abdomen dull ferruginous, dorsum of 

 segments blackish, the first two or three segments nearly wholly 

 blackish on the upperside. Belly ferruginous. Legs black, all 

 the coxa3, the fore femora wholly, middle femora \^ holly, except 

 the tips, and the basal half of the hind femora, bright ferruginous. 

 Wings uniformly yello\^■ish grey ; stigma large, clear cut, black. 



Redescribed from specimens of both sexes in the Indian Museum 

 including the type male and female, which were taken in cop. by 

 Major Sage in September 1890 at Dharmsala, Western Himalayas. 

 The other specimens are from Amangarh, Bijnor district, United 

 Provinces, 24. ii. 10 ; Kurseong, 24. vi. 10. ; Theog, 8000 ft., 

 2. V. 07 ; Phagu, 9000 ft., 1 1 . v. 09 (Annandale) ; Kumaon district, 

 5700 ft., vii. 09 (Imms) ; Darjiling, 21.iv. 10 (Beebe) ; Sadon, 

 Upper Burma, 5000 ft., 2.ii.ll, at light. 



