A new record and new species of Procloeon (Procloeon) Bengtsson, 1915 (Ephemeroptera: Baetidae) from the Western Ghats, peninsular India Author Muthukatturaja, Marimuthu 0000-0001-5796-0211 Department of Zoology, Thiagarajar College, Madurai- 625009, Tamil Nadu, India. & drmkraja 83 @ gmail. com; https: // orcid. org / 0000 - 0001 - 5796 - 0211 drmkraja83@gmail.com Author Balasubramanian, Chellaiah 0000-0001-8563-1677 Department of Zoology, Thiagarajar College, Madurai- 625009, Tamil Nadu, India. & ulab 62 @ yahoo. com; https: // orcid. org / 0000 - 0001 - 8563 - 1677 ulab62@yahoo.com text Zootaxa 2022 2022-02-03 5094 2 321 330 journal article 20790 10.11646/zootaxa.5094.2.6 feaa3d37-8cf6-4dc1-b538-867602d85627 1175-5326 5965287 21350F24-5440-4BD8-BD2B-5FF1AB3EDA99 Key for the known larvae of Procloeon ( Procloeon ) in the Oriental region 1. Hind wing pads present; maxillary palp 3-segmented; gill VI with dorsal lamellae.................................. 2 - Hind wing pads absent; maxillary palp 2-segmented; gill VI without dorsal lamellae........... Procloeon ( P. ) narumonae 2. Dorsal lamellae of gill V and VI normal................................................................... 3 - Dorsal lamellae of gill V and VI rudimentary.............................................. Procloeon ( P. ) tatualis 3. Maxillary palp terminal segment ca. 1/2× length of segment II.................................................. 4 - Maxillary palp terminal segment ca. 1/3× length of segment II............................... Procloeon ( P. ) spinosum 4. Terga III and VI with one pair of white streaks on anterior margin submedially; posterior margin of tergum I with blunt teeth............................................................................. Procloeon ( P. ) rubeosternum - Terga III and VI without white streaks on anterior margin submedially; posterior margin of tergum I with acute teeth……........................................................................ Procloeon ( P. ) kottagudiensis sp. nov.