Diastatomma bicolor Selys, 1869
Dark Hoetail


  • scientific: D. ortizi Compte Sart, 1964

Type locality: Old Calabar, Nigeria


The status of this species is presently uncertain. It may replace D. selysi in Equaotrial Guinea and Cameroon, having a more drawn-out posterior corner of the posterior hamule and often reduced, fragmented or absent antehumeral and metepisternal stripes.

Habitat description

Streams shaded by forest. Often with a gravelly and/or sandy bottom and probably coarse detritus. Inferred to occur from 0 to 700 m above sea level.


confirmed: Cameroon; Equatorial Guinea; NOT confirmed: Nigeria

Thorax (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.


  • de Sélys-Longchamps, E. (1869). Secondes additions au synopsis des gomphines. Bulletin Academie royale Belgique Serie 2, 28, 168-208.
  • Pinhey, E.C.G. (1961). Dragonflies (Odonata) of Central Africa. Occasional Papers Rhodes-Livingstone Museum, 14, 1-97. [PDF file]
  • Schouteden, H. (1934). Annales Musee Congo belge Zoologie 3 Section 2, 3, 1-84. [PDF file]

Citation: Dijkstra, K.-D.B (editor). African Dragonflies and Damselflies Online. http://addo.adu.org.za/ [2024-07-21].