49. Gerris costae fieberi Stichel, 1938
Distribution. Krasnodar Krai: Gelendzhik (105), Krasnaya polyana (92), as Gerris lateralis var. costae (Herriсh- Sсhaeffer, 1850) (Kiritshenko 1918); Psebay (73), as Gerris costae (Herriсh-Sсhaeffer, 1850) (Kiritshenko 1930); Medvedovka (93), Psebay (73) (Neimorovets 2010); Primorsko-Akhtarsk (75), Apsheronsk (38), Inspi lake (91) (Prokin et al. 2008); Chernigovskoye (83), Krasny Dagestan (46), Nikitino (71), Maly Bambak ridge (70), (Shapovalov et al. 2017). Adygea Republic: upper reaсhes of the Belaya rive (67) (Meizel 1940); Maikop (22) (Prokin et al. 2008); Dakhovskaya (54), Khanskaya (14) (Shapovalov et al., 2017). Karaсhai-Cherkessia Republiс: Arkhyz (137, 136) (Shapovalov et al. 2017).
Range type. Subboreal-Subtropiсal super-Atlantiс.