Animal Systematics, Evolution and Diversity

The Korean Society of Systematic Zoology (한국동물분류학회)
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A New Species of the Genus Pithemera (Oligochaeta: Megascolecidae) from Namat NBCA, Laos

  • Hong, Yong (Faculty of Biological Resources Science, Chonbuk National University) ;
  • James, Samuel W. (Natural History Museum and Biodiversity Research Center, University of Kansas) ;
  • Inkhavilay, Khamla (Department, Faculty of Science, National University of Laos)
  • Published : 2008.07.31
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Abstract

As a result of a taxonomic study on the earthworm material collected from Namat National Biodiversity Conservation Area (NBCA), Hoaphane Province, Laos, a new species, Pithemera viengthongensis sp. novo is described from near Namchong river, Viengthong district. The new species bearing two pairs of spermathecal pores in 7/8, 8/9 is not assignable to any other species of Pithemera as defined by Sims and Easton (1972). In the new species, the male pore region has kidney-shaped pads extending between XVII-19/20, the male pores and spermathecal pores are 0.31 circumference apart, and genital papillae are lacking. The ventral view of anterior body region and the spermathecae are illustrated.

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References

  1. Beddard, F.E., 1895. A monograph of the order of Oligochaeta. Oxford, pp. 1-769
  2. Gates, G.E., 1972. Burmese earthworms, an introduction to the systematics and biology of Megadrile oligochaetes with special reference to southeast Asia. Trans. Amer. Phil. Soc., 62(7): 1-326
  3. James, S.W., Y. Hong and T.H. Kim, 2004. New earthworms of Pheretima and Pithemera (Oligochaeta: Megascolecidae) from Mt. Arayat, Luzon Island, Philippines. Rev. Suisse Zool., 111(1): 3-10 https://doi.org/10.5962/bhl.part.80221
  4. Kobayashi, S., 1938. Earthworms of Korea. I. Sci. Rep. Tohoku Imp. Univ. Biol., 3: 89-170
  5. Michaelsen, W., 1910. Die oligochäten fauna der Vorderindisch- Ceylonischen region. Abh. Geb. Naturw. Hamburg, 19: 1-108
  6. Ohfuchi, S., 1957. On a collection of the terrestrial Oligochaeta obtained from the various localities in Riu-kiu Islands, together with the consideration of their geographical distribution (Part II). J. Agri. Sci. Tokyo, 3: 243-261
  7. Perrier, E., 1875. Sur les vers de terre des îles Philippines et de la Cochinchine. C. r. Hebd. Seanc. Acad. Sci. Paris, 81: 1043-1046
  8. Shen, H.P. and C.F. Tsai, 2002. A new earthworm of the genus Pithemera (Oligochaeta: Megascolecidae) from the Lanyu Island (Botel Tobago). J. Natl. Taiwan Mus., 55(2): 1-7
  9. Sims, R.W. and E.G. Easton, 1972. A numerical revision of the earthworm genus Pheretima auct. (Megascolecidae: Oligochaeta) with the recognition of new genera and an appendix on the earthworms collected by the Royal Society North Borneo Expedition. Biol. J. Linn. Soc., 4: 169-268 https://doi.org/10.1111/j.1095-8312.1972.tb00694.x
  10. Thai, T.B. and K. Samphon, 1988. New species and subspecies of earthworms from Laos. Sci. Inf. Hanoi Nat. Ped. Inst., 1988C: 3-25. (in Vietnamese)
  11. Thai, T.B. and K. Samphon, 1989. Initial remarks on the fauna of earthworm in Laos (from Muongphuon to Bualaven plateaux). Sci. Inf. Hanoi Nat. Ped. Inst., 1989: 61-75. (in Vietnamese)
  12. Thai, T.B. and K. Samphon, 1990a. The fauna of earthworms of Luongphabang Province (Laos). Sci. Inf. Hanoi Nat. Ped. Inst., 1990(1): 3-13. (in Vietnamese)
  13. Thai, T.B. and K. Samphon, 1990b. New species of earthworms from Luongphabang, Laos. J. Biol., 12(1): 11-14. (in Vietnamese)
  14. Thai, T.B. and K. Samphon, 1991a. A list of discovered species of earthworms fron Laos. Sci. Inf. Hanoi Nat. Ped. Inst., 1991(5): 86-89. (in Vietnamese)
  15. Thai, T.B. and K. Samphon, 1991b. Earthworms of some regions skirting the middle part of Mekong River in Laos (from Vienian to Pacse). J. Biol., 13(4): 1-10. (in Vietnamese)

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  1. Three New Earthworms of the Genus Amynthas (Clitellata: Megascolecidae) from Nam Ha NPA, Laos vol.30, pp.2, 2014, https://doi.org/10.5635/ASED.2014.30.2.081