Two additional new species of Clypeocaenis Soldán, 1978 (Ephemeroptera Caenidae) from the Western Ghats of Peninsular India Author Balasubramanian, Chelliah Department of Zoology, Thiagarajar College, Madurai- 625009, Tamil Nadu, India Author Muthukatturaja, Marimuthu Department of Zoology, Thiagarajar College, Madurai- 625009, Tamil Nadu, India & drmkraja 83 @ gmail. com; http: // orcid. org / 0000 - 0001 - 8563 - 1677 drmkraja83@gmail.com text Zootaxa 2021 2021-01-22 4915 3 377 388 journal article 8523 10.11646/zootaxa.4915.3.6 40e98280-1cc8-4daa-8771-7f1b2d584875 1175-5326 4456564 020D2969-3F9A-4689-BC65-DE64D7AE8528 Key for nymphs of Oriental Clypeocaenis Soldán, 1978 1. Clypeal protrusion with 2 setae.......................................................................... 2 - Clypeal protrusion with more than 2 (at least 4) setae.......................... Clypeocaenis multisetosa Soldán, 1978 2. Fore femora with subapical row of spines.................................................................. 3 - Fore femora without subapical row of spines and subapical group of spines on outer margin.................................................................................................. Clypeocaenis bisetosa Soldán, 1978 3. Margins of femora with long bristles...................................................................... 4 - Margins of femora with short spines...................................................................... 5 4. Dorsal surface of femora with a complete transverse row of lanceolate setae located 2/3 distance from the base....................................................... Clypeocaenis sharadhae Balasubramanian & Muthukatturaja, 2020 - Dorsal surface of femora with incomplete transverse row of bifid setae located 2/3 distance from the base........................................................................................... Clypeocaenis napoklu sp. nov. 5. Dorsal surface of femora with a complete transverse row of bifid setae located 3/4 distance from the base............................................................................................. Clypeocaenis kaveri sp. nov. - Dorsal surface of femora with incomplete transverse row of bifid setae located 3/4 distance from the base............................................................ Clypeocaenis gayathri Balasubramanian & Muthukatturaja, 2020