印度南部东高止山脉一新种 Sparsorythus Sroka amp; Soldán, 2008（蜉蝣目：三肢蜉科）。

A new species of Sparsorythus Sroka amp; Soldán, 2008 (Ephemeroptera: Tricorythidae) from Eastern Ghats of Southern India.

机构信息

PG Research department of Zoology, The American College, Madurai-625002, India.

出版信息

Zootaxa. 2021 Jan 21;4915(2):zootaxa.4915.2.3. doi: 10.11646/zootaxa.4915.2.3.

DOI:10.11646/zootaxa.4915.2.3

Abstract

A new mayfly species, Sparsorythus sivaramakrishnani sp. nov. from the stream of Pullian cholai, Thuraiyur, Namakkal district, Tamil Nadu, India is described based on male and female nymphs. Sparsorythus sivaramakrishnani sp. nov. differs from the closely related S. gracilis by the shape of the left prostheca, the number of bristle-like processes at base of left prostheca, the ratio and shape of right prostheca, the ratio of femur length: width, the size of the female nymph, the mesonotum overlapping in fifth abdominal segment of the female, and by the shape of hypopharyngeal lingua.

摘要

一种新的蜉蝣物种，Sparsorythus sivaramakrishnani sp. nov.，来自印度泰米尔纳德邦图赖尤尔的普利亚恩·乔莱溪流，基于雄性和雌性若虫描述。Sparsorythus sivaramakrishnani sp. nov. 与亲缘关系密切的 S. gracilis 不同，其区别在于左假体的形状、左假体基部的刚毛状突起的数量、右假体的比例和形状、股骨长度与宽度的比例、雌性若虫的大小、雌性第五腹节覆盖的中胸以及下咽舌的形状。