Choroterpes (Euthraulus) nambiyarensis Selvakumar, Arunachalam & Sivaramakrishnan, 2013

Selvakumar, Chellappa, Ashokkumar, Chandran, Sundar, Shunmugavelayutham, De Oliveira Roque, Fabio & Gunasekaran, Mariappan, 2025, Diversity and distribution of mayflies (Insecta: Ephemeroptera) in the “ sky islands ” of Palni Hills, Western Ghats, India, Journal of Insect Biodiversity and Systematics 11 (2), pp. 303-321 : 307

Choroterpes (Euthraulus) nambiyarensis Selvakumar, Arunachalam & Sivaramakrishnan, 2013 ( Fig. 2C)

Choroterpes (Euthraulus) nambiyarensis Selvakumar, Arunachalam & Sivaramakrishnan 2013 , 47:71, Holotype, mature nymph – Nambiyar River , Tamil Nadu, India.

Material examined. 50 larvae, Kumbakkarai Falls I, 10°10’24" N, 77°32'13" E, 353 m, 14-x-2023 ; 11 larvae, Kumbakkarai Falls II, 10°12'11" N, 7°32'56" E, 448 m, 14-x-2023 ; 63 larvae, Moolaiyaru River , 10°16'13" N, 77°36'34" E, 1217 m, 27-iv-2023 ; 11 larvae, Umaiyaru River , 10°20'56" N, 77°41'27" E, 1236 m, 01-vii-2023, Coll. C. Selvakumar & party.

Distribution. India: Tamil Nadu ( Selvakumar et al., 2013; Kluge et al., 2022a), Karnataka, and Kerala ( Kluge et al., 2022a).