Two new earthworm species of the genus Polypheretima Michaelsen, 1934 (Clitellata: Megascolecidae) from central Vietnam

Digital Gems > Biodiversity Library of Southeast Asia

Language

English

Creator

Lam, D. H.
Nguyen, T. T.
Hoang, S. V.
Nguyen, A. D.

Source Title

The Raffles Bulletin of Zoology

Publication date

2018/09/21

Publisher

Dept. of Zoology, National University of Singapore, Singapore

Page

572–579

Content Type

Journal Article

Object Type

Text

Terms of Use

Open Access

Access Status

Open

Repository

NUS Libraries

Start File Page

572

End File Page

579

Volume

66

Issue

2

Call Number

QL319 NMB

Subject

Earthworm -- Vietnam -- Identification

Keyword

earthworms
new species
Polypheretima
Vietnam

Abstract

Two new earthworm species of the genus Polypheretima Michaelsen, 1934, are described from Song Thanh Nature Reserve, Quang Nam Province, in the southern region of central Vietnam. Both new species belong to the bifaria species-group, which are characterised by holandry and having simple male pores and intersegmental spermathecal pores. Polypheretima medialis, new species, is distinguished by having two pairs of spermathecal pores in 7/8/9, and genital markings ventrally paired in viii–ix and xvii–xix; while P. tabhinhensis is distinguished by having three pairs of spermathecal pores in 6/7/8/9, rectangular genital markings which are raised on the body wall, and paired in ix–x and the male region. An identification key to the Vietnamese species of Polypheretima is also provided.

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