Mongolodiaptomus mekongensis, a new species of copepod (Copepoda, Calanoida, Diaptomidae) from temporary waters in the floodplain of the lower Mekong River Basin

Digital Gems > Biodiversity Library of Southeast Asia

Language

English

Creator

Sanoamuang, L-O
Watiroyram, S.

Source Title

The Raffles Bulletin of Zoology

Publication date

2018/12/05

Publisher

Dept. of Zoology, National University of Singapore, Singapore

Page

782–796

Content Type

Journal Article

Object Type

Text

Terms of Use

Open Access

Access Status

Open

Repository

NUS Libraries

Start File Page

782

End File Page

296

Volume

66

Issue

1

Call Number

QL319 NMB

Subject

Copepoda -- Thailand -- Idnetification

Keyword

biodiversity
Southeast Asia
Cambodia
Laos
Thailand
Vietnam

Abstract

Freshwater copepods in the genus Mongolodiaptomus Kiefer, 1938 are known to occur in Asia. Of the thirteen species of this genus reported, ten are recorded from the lower Mekong River Basin (Thailand, Cambodia, Laos, and Vietnam). Collections from several temporary waters in the floodplain of lower Mekong River Basin resulted in the identification of a new species of Mongolodiaptomus. We describe the new species collected from several habitats in Ubon Ratchathani province of Thailand, Champasak province of Laos, Binh Phuoc province of Vietnam, and five provinces of Cambodia (Steung Treng, Kratié, Kampong Thom, Siem Reap, and Battambang). It is similar to Mongolodiaptomus loeiensis Watiroyram & Sanoamuang, 2017 in regards to the male 5th leg and the antepenultimate segment of the male right antennule. In this study, we propose three species groups of Mongolodiaptomus; mariadvigae, gladiolus, and mephistopheles groups, based on similarities of their morphological characteristics.

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