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. 2020 Dec 10;4894(3):zootaxa.4894.3.9.
doi: 10.11646/zootaxa.4894.3.9.

A new species of Notacanthurus Tshernova, 1974 (Ephemeroptera: Heptageniidae) from India

M Vasanth  1 , C Selvakumar, K A Subramanian, K G Sivaramakrishnan, Bikramjit Sinha
Affiliations

A new species of Notacanthurus Tshernova, 1974 (Ephemeroptera: Heptageniidae) from India

M Vasanth et al. Zootaxa. .

Abstract

A new species of Notacanthurus Tshernova, 1974 is described based on larvae from India. Notacanthurus pange Vasanth, Selvakumar Subramanian sp. nov. can be distinguished from all known species of Notacanthurus by the following combination of characters: (i) gill lamellae 5-6 with accessory lobe; (ii) dorsal surface of femora with scattered spatulate setae (iii) male genitalia having penis lobes fused, 'V' shaped apically blunt with me-dian pair of spine-like titillators subapically and mesally; (iv) labrum with anterior portion straight and laterally curved; and (v) lingua of hypopharynx apically broad and convex. The distribution map of the new species is also provided.

Keywords: Ephemeroptera, mayflies, new species, Notacanthurus pange, larva, India.

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