Choroterpes (Euthraulus) alagarensis Dinakaran, Balachandran & Anbalagan, 2009

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 : 306-307

Choroterpes (Euthraulus) alagarensis Dinakaran, Balachandran & Anbalagan, 2009 ( Fig. 2A)

Choroterpes (Euthraulus) alagarensis Dinakaran, Balachandran & Anbalagan, 2009 , 2064:22, Holotype ♂ imago, Nuburagangai stream, Tamil Nadu, India.

Material examined. 1 larva, Kumbakkarai Falls II, 10°12'11" N, 77°32'56" E, 448 m, 14-x-2023 ; 3 larvae, Moolaiyaru River , 10°16'13" N, 77°36'34" E, 1217 m, 27-iv-2023 ; 6 larvae, Munishwarar Kovil , 10°16'30" N, 77°35'38" E, 1271 m, 27-iv-2023 ; 7 larvae, Thaliyuthu Water Falls , 10°26'33" N, 77°41'09" E, 346 m, 02- vii-2023 ; 3 larvae, Thalakuthu Main Falls , 10°26'16" N, 77°41'07" E, 450 m, 02-vii-2023 ; 10 larvae, Nallathangal Stream , 10°23'58" N, 77°36'49" E, 586 m, 02-vii-2023 ; 1 larva, Varaiyaru Falls , 10°19'41" N, 77°42'54" E, 1172 m, 01-vii-2023, Coll. C. Selvakumar & party.

Distribution. India: Karnataka, Kerala & Tamil Nadu ( Dinakaran et al., 2009; Kluge et al., 2022a).

Choroterpes (Euthraulus) atelobranchis Kluge, Srinivasan, Vasanth, Sivaruban, Barathy, & Isack, 2022 ( Fig. 2B)

Choroterpes (Euthraulus) atelobranchis Kluge, Srinivasan, Vasanth, Sivaruban, Barathy, & Isack, 2022 , 5181:13, Holotype L-S-I ♂ Veerapandi River , Theni district, Tamil Nadu, India.

Material examined. 29 larvae, Thaliyuthu Water Falls , 10°26'33" N, 77°41'09" E, 346 m, 02-vii-2023 ; 3 larvae, Thalakuthu Main Falls , 10°26'16" N, 77°41'07" E, 450 m, 02-vii-2023, Coll. C. Selvakumar & party.

Distribution. India: Tamil Nadu ( Kluge et al., 2022a).