Zygonyx atritibiae Pinhey, 1964
Viceroy Cascader

Type locality: Nseloki River, Mwinilunga, Zambia

Diagnosis

Male is similar to Z. regisalberti by (a) black labrum; (b) dorsum of thorax with pale cross-band anterior to antealar sinus; (c) largely dark sides of thorax; (d) 2-3 rows between anal loop and tornus; (e) hind femora (partly) brown rather than black; (f) anterior denticles on femora directed towards base. However, differs by (1) ranging from Katanga to N Zambia; (2) relatively smaller size, Hw 40-44 mm; (3) 12½-15½ Ax in Fw; (4) black rather than brown tibiae; (5) largely pale dorsum of S3, forming broad basal ring, like on S4. [Adapted from Dijkstra & Clausnitzer 2014]

Habitat description

Streams shaded by gallery forest. Often with a gravelly bottom and probably blackwater. From 800 to 1700 m above sea level.

Distribution

Abdominal segment 2 (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.

Barcode specimen(s):

References

• Pinhey, E.C.G. (1964). Dragonflies (Odonata) of the Angola-Congo borders of Rhodesia. Publicacoes culturais Companhia Diamantes Angola, 63, 95-130. [PDF file]
• Lieftinck, M.A. (1969). Odonates Anisoptères - Odonata Anisoptera. Explor. hydrob. Lac Bangweolo and Luapula, 14, 1-64. [PDF file]

Citation: Dijkstra, K.-D.B (editor). African Dragonflies and Damselflies Online. http://addo.adu.org.za/ [2024-10-25].