Neurogomphus martininus (Lacroix, 1921)
Type locality: Congo, no locality data available.
Male is similar to N. alius by (a) ranging from C DRC to Cameroon; (b) size, Hw 36-41 mm; (c) occiput notched in middle; (d) dark stripes on sides of thorax wider than pale ones; (e) 16-20 Ax in Fw; (f) lateral tooth of cerci (almost) indiscernible. However, differs by (1) postclypeus and thorax anterior of collar black rather than green; (2) mesepimeral stripe more extensive than metepisternal stripe; (3) posterior hamule 5-6x (rather than 2-3x) as long as wide; (4) Pt smaller, with 3.0-3.2 mm. [Adapted from Dijkstra & Clausnitzer 2014; this diagnosis not yet verified by author]
Rivers in open areas in forest. Probably often with a soft (like muddy) bottom. From 300 to 500 m above sea level.
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.
- Pinhey, E.C.G. (1967). The genus Neurogomphus Karsch (Odonata: Gomphidae). Journal Entomological Society Southern Africa, 29, 64-73. [PDF file]
Citation: Dijkstra, K.-D.B (editor). African Dragonflies and Damselflies Online. http://addo.adu.org.za/ [2021-04-23].