Two new species and two new records of the genus Tenuibaetis Kang & Yang, 1994 (Ephemeroptera: Baetidae) from Indian Himalaya.

As part of ongoing exploration of the mayflies of streams and rivers of Indian Himalayan regions, we describe two new species of the genus Tenuibaetis based on recently collected materials from Western Himalaya viz., Tenuibaetis himani Kubendran, Vasanth & Subramanian sp. nov.

Three new species of Atalophlebiinae (Ephemeroptera: Leptophlebiidae) of India, with a new record of the genus Megaglena Peters and Edmunds, 1970.

Three new species of Leptophlebiidae viz., Choroterpes (Choroterpes) andamanensis Vasanth, Subramanian Selvakumar n. sp.

A new species and new record of the genus Platybaetis Mller-Liebenau, 1980 (Ephemeroptera: Baetidae) from Eastern Himalaya, India.

A new species of Platybaetis viz., P. selvai sp.

Contribution to the knowledge of Tenuibaetis Kang & Yang 1994, Nigrobaetis Novikova & Kluge 1987 and Labiobaetis Novikova & Kluge 1987 (Ephemeroptera: Baetidae) from the Western Ghats (India).

As part of ongoing exploration of the mayflies of hill streams of southern Western Ghats, we describe two new species: Nigrobaetis paramakalyani Kubendran & Balasubramanian n. sp. and Labiobaetis jacobusi Kubendran & Balasubramanian n.

A new species of Labiobaetis (Ephemeroptera: Baetidae) from the southern Western Ghats in India, with comments on the taxonomic status of Labiobaetis.

A new species of Labiobaetis Novikova & Kluge, 1987, Labiobaetis soldani sp. nov., is described from the larvae and reared male and female imagoes from Gadana River in the southern Western Ghats in India.