. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 158 Orthorrhapha brachycera. have a slight knob below near Ihe base; front metatarsi about as long as the four following joints; hind tibiæ suddenly thickened at the end and here densely haired on the postero-dorsal side, hind me- tatarsi slightly thickened towards the base, almost as long as the second joint; it has a small, recurved spine at the extreme base on the postero-ventral side; eoxæ and femora grey, the latter shining some- wliat greenish olive, with the apex yellow, broadly on the anterior
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 158 Orthorrhapha brachycera. have a slight knob below near Ihe base; front metatarsi about as long as the four following joints; hind tibiæ suddenly thickened at the end and here densely haired on the postero-dorsal side, hind me- tatarsi slightly thickened towards the base, almost as long as the second joint; it has a small, recurved spine at the extreme base on the postero-ventral side; eoxæ and femora grey, the latter shining some- wliat greenish olive, with the apex yellow, broadly on the anterior femora, but only slightly on the hind femora; anterior tibiæ yellow with about the apical third blackish grey, hind tibiæ dark yellow with base and apex black; anterior tarsi black with the base of metatarsus yellow, hind tarsi black; the front tarsi have the four last joints compressed and slightly dilated, a little hairy at the upper margin, the hairs on the last joint white. The legs have short, black hairs, the front coxæ some bristly hairs above anteriorly; the femora have slightly longer hairs below; posterior femora with about four to five preapical bristles; front tibiæ with bristles above and on the postero- ventral side, posterior tibiæ with two dorsal and one ventral row of bristles. Wings hyaline or almost so; veins black; costa strongly thick-. Fig. 48. Wing of T. notatus c?. ened on a streak between the base and the apex of the subcostal vein; discai vein with a slight bend lying much nearer the posterior cross-vein than the apex of the discai vein; the latter coverging to- wards the cubital vein, the first posterior cell narrowly open; posterior cross-vein straight or almost straight; there is a slight blackish spot on the bend of the discai vein and a similar seam on the posterior cross-vein. Squamulæ pale yellow, with a black fringe. Balteres yellow, the peduncle darker. Female. Antennæ slightly shorter than in the male. Epistoma a little broader upwa
Size: 2572px × 972px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
