Ranatra malayana, Lundblad, 1933

Tran, A. D. & Zettel, H., 2021, Taxonomic review of the Ranatra gracilis group sensu Lansbury, 1972 (Nepomorpha: Nepidae), with descriptions of four new species, Raffles Bulletin of Zoology 69, pp. 45-70 : 47

Ranatra malayana group sensu Lansbury, 1972

Diagnosis. Body length: males 26–31, females 30–33; siphon long, ratio of siphon length: body length around 1.0–1.1; vertex in lateral view higher than eye, evenly round, without tubercle; flexor side of fore femur with two teeth at distal 0.4, one much larger than the other, pre-apical teeth absent; metasternum with posterior margin straight or convex; operculum of female at most reaching apex of connexivum; male paramere with pre-apical pointed tooth before hook, apical hook short with blunt tip.

Species included. Ranatra malayana Lundblad, 1933 and R. katsara Nieser, 1997 .

Note. For the difference between these two species, see Nieser (1997).