Onychogomphus supinus Hagen in Selys, 1854
Type locality: Caffraria, South Africa
Male is similar to O. undecim by (a) size, Hw 27-30 mm; (b) face all pale; (c) black humeral stripe(s) narrower than pale stripes anterior and posterior to it; (d) at least front and mid tibiae pale or black with pale streak; (e) black on S3 typically connected to basal border; (f) S3-7 mostly pale ventrally and laterally and black in-between, showing continuous pale dorsal line in dorsal view; (g) foliations on S8 about 1/4 to 1/6 as deep as segment is high. However, differs by (1) being restricted to South Africa and possibly further north; (2) black humeral stripe split into two separate stripes by pale stripe on suture over most of its length; (3) costa anterior to Pt black, contrasting with pale Pt and remainder of costa; (4) foliations on S8 and S9 about equally deep, with convex border. [Adapted from Dijkstra & Clausnitzer 2014; this diagnosis not yet verified by author]
Rivers and streams in open areas in forest or shaded by gallery forest. Especially faster sections (rapids, falls), usually with rocks. Inferred to occur from 100 to 1900 m above sea level, but mostly between 500 and 1700.
Appendages (dorsal view)
Appendages (lateral view)
Map citation: Clausnitzer, V., K.-D.B. Dijkstra, R. Koch, J.-P. Boudot, W.R.T. Darwall, J. Kipping, B. Samraoui, M.J. Samways, J.P. Simaika & F. Suhling, 2012. Focus on African Freshwaters: hotspots of dragonfly diversity and conservation concern. Frontiers in Ecology and the Environment 10: 129-134.
- Ris, F. (1921). The Odonata or Dragonflies of South Africa. Annals South African Museum, XVIII, 245-452. [PDF file]
Citation: Dijkstra, K.-D.B (editor). African Dragonflies and Damselflies Online. http://addo.adu.org.za/ [2021-04-16].