Pseudagrion (B) rufostigma Longfield, 1947
Ruby Sprite

Type locality: Sangévé, Angola

Diagnosis

Male is similar to P. sjoestedti by (a) face usually reddish, sometimes yellow, postocular spots and antehumeral stripes often present; (b) at least tibiae pale, contrasting with femora when these are dark; (c) apical black often extends ventrally to sides of S8-9, segments may be pruinose; (d) lateral lobes of penis rounded or absent; (e) cerci with apical notch, or notch unclear; (f) paraprocts not hatchet-shaped and at most curved up weakly, with rounded apex, and if low knob present then apex is long and pointed. However, differs by (1) less widespread and ranging from N Botswana to N Zambia; (2) apex of penis bilobed, rather than rounded; (3) cerci marginally longer than paraprocts and slightly expanded distally, with distinct apical notch (lateral view). [Adapted from Dijkstra & Clausnitzer 2014; this diagnosis not yet verified by author]

Habitat description

Mostly rivers, but also standing waters and possibly flowing channels in marshes, in open landscapes. Usually with emergent vegetation and mostly a sandy bottom. From 900 to 1600 m above sea level.

Distribution

confirmed: Angola; Botswana; Namibia; Zambia; Zimbabwe


Male © Jens Kipping


Appendages (dorsal view)

Appendages (lateral view)

Penis (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.


References

  • Longfield, C. (1947). The Odonata of South Angola. Results of the missions scientifiques suisses 1928-29, 1932-33. Arquivos Museu Bocage, 16, 1-31. [PDF file]
  • Pinhey, E.C.G. (1961). Dragonflies (Odonata) of Central Africa. Occasional Papers Rhodes-Livingstone Museum, 14, 1-97. [PDF file]

Citation: Dijkstra, K.-D.B (editor). African Dragonflies and Damselflies Online. http://addo.adu.org.za/ [2019-05-25].