Subgenus Cesavelia Koçak & Kemal, 2010
Diagnosis
(modified from Andersen 1981, and Tran et al. 2009). Antennal segment I distinctly longer than head width across eyes (except Velia anderseni Tran, Zettel & Buzzetti, 2009, which is almost equal to head width). Mesotarsus less than 2 / 3 mesotibia length. Metatibia distinctly longer than metafemur. Metafemur of male slender or moderately incrassate (in V. anderseni) and more heavily armed than in female on flexor side. Metatibia with scattered erect setae. In males, abdominal segment VIII relatively large, dorsal hind margin medially emarginated; proctiger plate-shaped, apically broadened; parameres prominent, strongly curved. In females, proctiger plate-shaped, covering gonocoxae and genital opening.
Key to the species of Velia (Cesavelia)
Note. Apterous forms; updated based on the “ Key to the species of Velia (Haldwania) in the Oriental Region ” in Tran et al. 2009). Hitherto, apterous forms of V. championi and V. steelei are still unknown (Tran et al. 2009).