Two New Species of Semi-aquatic Earthworms Genus Glyphidrilus Horst, 1889 from Malaysia (Oligochaeta: Almidae)

Authors

  • RATMANEE CHANABUN Program in Animal Science, Faculty of Agriculture Technology, Sakon Nakhon Rajabhat University, Sakon Nakhon 47000, THAILAND
  • SOMSAK PANHA Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, THAILAND

Keywords:

Taxonomy, Glyphidrilus, Malaysia

Abstract

Two new species of semi-aquatic freshwater earthworms of the genus Glyphidrilus Horst, 1889 are described from Malaysia. Glyphidrilus perakensis n. sp. from Sungei Kurau, Kampung, Panit Luar Geri, Perak and G. kedahensis n. sp. from Sungei Sedim, White fall, Kulim, Kedah. After comparing with the closely related species, the two new species have distinct different morphological characters from the previous recognized species. Glyphidrilus perakensis n. sp. has wings in 26, 27–30, 31, clitellum in 20–36, 37, hearts in 10–14, seminal vesicles in 12–15, and spermathecae in 16/17–18/19. Glyphidrilus kedahensis n. sp. has wings in 23, 24–½28, 28, clitellum in 17–33, 34, hearts in 9–12, seminal vesicles in 10–13 and spermathecae in 14/15–16/17. Descriptions of the new species including illustrations of the external and internal morphological characteristics are provided.

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Published

2015-10-01

How to Cite

[1]
CHANABUN, R. and PANHA, S. 2015. Two New Species of Semi-aquatic Earthworms Genus Glyphidrilus Horst, 1889 from Malaysia (Oligochaeta: Almidae). Tropical Natural History. 15, 2 (Oct. 2015), 179–189.

Issue

Vol. 15 No. 2 (2015): October

Section

Original Articles

License

Chulalongkorn University. All rights reserved. No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior written permission of the publisher