. Fig. 7. Wing of S. Wiedemanni d- hairs on the middle tibiæ 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 discai vein slighter than in platypterus; the lower branch of the discai 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 discai vein to the fork, and than the last part of the postical vein. Squamulæ yellow, blackish just at the t
. Fig. 7. Wing of S. Wiedemanni d- hairs on the middle tibiæ 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 discai vein slighter than in platypterus; the lower branch of the discai 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 discai vein to the fork, and than the last part of the postical vein. Squamulæ yellow, blackish just at the tip, with a yellow fringe. Balteres 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 coxæ 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 tibiæ and on the various sides of the middle tibiæ, also a bristle near the base on the anterior side of the hind tibiæ. The hairs on the middle tibiæ not splayed out;
Size: 3573px × 1399px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
