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Issue: Vol. 4350 No. 1: 16 Nov. 2017
Type: Article
Published: 2017-11-16
DOI: 10.11646/zootaxa.4350.1.4
Page range: 84–90
Abstract views: 58
PDF downloaded: 1

A new species of Thalerosphyrus Eaton 1881 (Ephemeroptera: Heptageniidae: Ecdyonurinae) from India

Zoological Survey of India, Prani Vigyan Bhavan, ‘M’ Block, New Alipore, Kolkata-700 053, West Bengal, India.
Zoological Survey of India, Prani Vigyan Bhavan, ‘M’ Block, New Alipore, Kolkata-700 053, West Bengal, India.
Flat 3, Gokulam Apartments, No.7, Gokulam Colony, West Mambalam, Chennai-600 033, India.
Zoological Survey of India, Prani Vigyan Bhavan, ‘M’ Block, New Alipore, Kolkata-700 053, West Bengal, India.
Ephemeroptera Thalerosphyrus meghalayensis sp. n. larvae mayfly Meghalaya

Abstract

A new species of Thalerosphyrus Eaton 1881 is described based on larvae collected from East Khasi Hills district and East Jaintia Hills district of Meghalaya. Thalerosphyrus meghalayensis Selvakumar & Chandra  n. sp. can be distinguished from other known species of the genus by the following combination of characters: (i) posterolateral expansions of segment VIII always shorter than those of segment VII; (ii) pronotum moderately enlarged laterally; (iii) bristles on the dorsal face of hind femora truncate or round at apex; (iv) hind tibia with a row of thin setae; (v) outer margin of superlinguae evenly covered with long setae ending at apex by minute setae and (vi) posterior margin of tergites with regularly pointed teeth, and numerous microdenticles. A modified larval key is provided for known species of this genus.

 

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