. Fig. 7. Wing of S. Wiedemanni d". hairs on the middle tibiae are curiously erect, not adpressed as in platypterus. Wings slightly yellowish; veins brown or blackish brown; first posterior cell narrowly open; the curvature of the upper branch of the discal vein slighter than in -platypterus; the lower branch of the discal fork forming an angle with the stem, stopping long before the margin; the last part of the postical vein straight; the posterior cross-vein considerably longer than the discal vein to the fork, and than the last part of the postical vein. Squamulae yellow, blackish just
. Fig. 7. Wing of S. Wiedemanni d". hairs on the middle tibiae are curiously erect, not adpressed as in platypterus. Wings slightly yellowish; veins brown or blackish brown; first posterior cell narrowly open; the curvature of the upper branch of the discal vein slighter than in -platypterus; the lower branch of the discal fork forming an angle with the stem, stopping long before the margin; the last part of the postical vein straight; the posterior cross-vein considerably longer than the discal vein to the fork, and than the last part of the postical vein. Squamulae yellow, blackish just at the tip, with a yellow fringe. Halteres yellow. Female. Epistoma hardly any broader than in the male. Palpi with two bristles. The transverse bands on abdomen narrow, or al- most wanting. The bristles on the front coxae a little stronger and the front femora with five (sometimes four or six) spine-like bristles below; the legs more bristly than in the male, as there are small bristles on the dorsal side of the front tibiae and on the various sides of the middle tibiae, also a bristle near the base on the anterior side of the hind tibiae. The hairs on the middle tibiae not splayed out;
Size: 3582px × 1396px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
