. Diptera Nematocera (excluding Chironomidæ and Culicidæ). Diptera. 178 BIBIONIU^. 133. Dilophus gratiosus, Big. Dilophus (/mtioms, Bigot, Journ. Asiat. Soc. Bengal, lix, p. 265 (1890). â ^. 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.âDilophus gratiosus, Big.: a, "ing; A, antenna d, fore leg. thorax reddish brown, with yellowish


. Diptera Nematocera (excluding Chironomidæ and Culicidæ). Diptera. 178 BIBIONIU^. 133. Dilophus gratiosus, Big. Dilophus (/mtioms, Bigot, Journ. Asiat. Soc. Bengal, lix, p. 265 (1890). â ^. 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.âDilophus 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\^â 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., 11. v. 09 (Annandale) ; Kumaon district, 5700 ft., vii. 09 (Imms) ; Darjiling, 10 (Beebe) ; Sadon, Upper Burma, 5000 ft., , at Please note that these images are extracted from scanned page images that may have been digitally enhanced for readab


Size: 1804px × 1385px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectdiptera, bookyear1912