A New Earthworm Species of the Genus Metaphire Sims & Easton, 1972 (Oligochaeta: Megascolecidae) from Southern Vietnam

Authors

  • Tung Thanh Nguyen Department of Biology, School of Education, Can Tho University, Campus II, 3 Thang 2, Ninh Kieu, Can Tho City, VIETNAM
  • Vuong Van Ly Department of Biology, School of Education, Can Tho University, Campus II, 3 Thang 2, Ninh Kieu, Can Tho City, VIETNAM
  • Dang Hai Lam Department of Biology, School of Education, Can Tho University, Campus II, 3 Thang 2, Ninh Kieu, Can Tho City, VIETNAM
  • Thuan Van Nguyen Department of Biology, Hue University of Education, 34 Le Loi, Phu Hoi, Hue City, Thua Thien Hue, VIETNAM
  • Anh Duc Nguyen Department of Soil Ecology, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Cau Giay, Hanoi, VIETNAM

Keywords:

Metaphire houlleti, Metaphire cf. campanulata, morphological variations, genetic variations, new species, taxonomy, Southern Vietnam

Abstract

A new species, Metaphire acampanulata sp. nov., was described from Southern Vietnam. The species belonging to Metaphire houlleti species-group, can be characterized by having three pairs of spermathecal pores in 6/7/8/9, genital markings invisible, first dorsal pore in 11/12 or 12/13, spermatheca mushroom-shaped, ampulla duct L-shaped, and penial setae present. The K2P genetic distance based on a 600 bp fragment of the mitochondrial gene, COI, between the new species and its closely related one, M. houlleti, was 18.8%, and the intraspecific distance between its populations was from 0.3 to 9.8%.

Author Biography

Anh Duc Nguyen, Department of Soil Ecology, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Cau Giay, Hanoi, VIETNAM

Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Cau Giay, Hanoi, VIETNAM

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Published

2022-11-23

How to Cite

[1]
Nguyen, T.T. , Ly, V.V. , Lam, D.H. , Nguyen, T.V. and Nguyen, A.D. 2022. A New Earthworm Species of the Genus Metaphire Sims & Easton, 1972 (Oligochaeta: Megascolecidae) from Southern Vietnam. Tropical Natural History. 22, 1 (Nov. 2022), 72–84.

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