Megabranchiella gen. nov., a new mayfly genus (Ephemeroptera, Baetidae) from Thailand with description of two new species

被引：5

作者：

Phlai-ngam, Sirikamon ^{[1
]}

Boonsoong, Boonsatien ^{[2
]}

Gattolliat, Jean-Luc ^{[3
,4
]}

Tungpairojwong, Nisarat ^{[1
,5
]}

机构：

[1] Khon Kaen Univ, Fac Sci, Dept Biol, Khon Kaen 40002, Thailand

[2] Kasetsart Univ, Fac Sci, Dept Zool, Anim Systemat & Ecol Special Res Unit ASESRU, Bangkok 10900, Thailand

[3] Museum Zool, Pl Riponne 6, CH-1005 Lausanne, Switzerland

[4] Univ Lausanne, Dept Ecol & Evolut, CH-1015 Lausanne, Switzerland

[5] Khon Kaen Univ, Fac Sci, Appl Taxon Res Ctr ATRC, Khon Kaen 40002, Thailand

来源：

ZOOKEYS | 2022年 / 1125期

关键词：

Baetidae mayflies; enlarged gills; South East Asia; taxonomy; ACENTRELLA; PSEUDOCLOEON; LIEBEBIELLA; SYSTEMATICS;

D O I：

10.3897/zookeys.1125.90802

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Megabranchiella gen. nov. (Ephemeroptera: Baetidae) is established as a new baetid mayfly genus from northern Thailand. Two new species, Megabranchiella scutulata sp. nov. and Megabranchiella longusa sp. nov., are described. This genus is distinguished from other Baetidae by abdominal segment I, bearing a pair of enlarged, ventrally oriented single gills, covering abdominal sternites II-V; other gills have normal size and are dorsolaterally oriented. The two new species Megabranchiella longusa sp. nov. and Megabranchiella scutulata sp. nov. can be differentiated by the setation of femur dorsal margin and the shape of abdominal gill I. This mayfly genus was found in flowing water with cobble microhabitats in headwater streams of northern Thailand.

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页码：1 / 31

页数：31

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