DESCRIPTION OF THE NEW SPECIES OF FREE-LIVINGS NEMATODES DAPTONEMA SECURUM SP. NOV. FROM ARTIFICIAL RESERVOIRS IN VIETNAM

Authors

  • Nguyen Thi Xyan Phuong Institute of Ecology and Biological Resources, Vietnamese Academy of Sciences and Technology
  • J.C. Klein Institute of Ecology and Biological Resources, Vietnamese Academy of Sciences and Technology
  • Pham Thj Man Institute of Ecology and Biological Resources, Vietnamese Academy of Sciences and Technology
  • V.G. Gagarin Institute for Biology of Inland Waters Russian Academy of Science
  • Nguyen Dinh Tu Institute of Ecology and Biological Resources, Vietnamese Academy of Sciences and Technology

DOI:

https://doi.org/10.33910/1999-4079-2016-8-4-225-232

Keywords:

Vietnam, artificial reservoirs, free-living nematodes, new species, Daptonema securum sp. nov.

Abstract

Illustrated description of free-living nematodes, Daptonema securum sp. nov., found in ground of artificial reservoirs in Vietnam. D. securum sp. nov. differs from three relatives of length of body to species: D. communis Gagarin & Nguyen Vu Thanh, 2014, D. biggi (Gerlach, 1965), D. rectungulatum Pastor de Ward, 1985 by presence of thin annulated cuticle, very long of inner labial setae and another structure of gubernaculum. Morphometric data of males of 17 new species, described from water bodies in Vietnam are given.

References

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REFERENCES

Fonseca G., Bezerra T.M., 2014. Order Monhysterida Filipjev, 1929. In.: Schmidt-Raesa (Ed). Handbook of Zoology: Gastrotricha, Cycloneuralia, Gnathifera. Vol.2. De Gruyter. Nematoda. P. 435-465.

Gagarin V.G., 2013. Daptonema obesum sp. n. and Steineria vietnamica sp. n. (Nematoda, Xyalidae) from mangrove forest of Vietnam. International Journal of Nematology. Vol. 23. № 2. P. 129-137.

Gagarin V.G., Nguyen Thi Thu, 2008. Three new species of the genus Daptonema (Nematoda, Xyalidae) from the Red River Delta (Vietnam). Zoologicheskii Zhurnal. Vol. 87, № 5. P. 515-523. In Russian.

Gagarin V.G., Nguyen Vu Thanh, 2007. Free-living nematodes from Mekong River Delta, Vietnam. Inland Water Biology. № 3. P. 3-10. In Russian.

Gagarin V.G., Nguyen Vu Thanh, 2010. Two new species of the family Xyalidae Chitwood, 1951 (Nematoda, Monhysterida) from littoral zone of South China Sea. International Journal of Nematology. Vol. 20, № 1. P. 1-6.

Gagarin V.G., Nguyen Vu Thanh, 2012. Free-living nematode of the Tra Ly River in the Red River Mouth, Vietnam. Inland Water Biology. № 5. P. 11-18. In Russian.

Gagarin V.G., Nguyen Vu Thanh, 2014. Two new species of the family Xyalidae Chitwood, 1951 (Nematoda, Monhysterida) from the coast of Vietnam. International Journal of Nematology. Vol. 24. № 2. P. 108-116.

Gagarin V.G., Nguyen Vu Thanh, Nguyen Thi Thu, 2005. Daptonema salvum sp. n. and D. rigidum sp. n. (Nematoda: Monhysterida) from Chu River, Vietnam. International Journal of Nematology. Vol. 24. № 2. P. 210-214

Gerlach S., 1965. Freilebende Meeresnematoden aus der Gezeitenzone von Spizbergen. Veroffentlichungen des Instituts fur Meeresforschungen in Bremerhaven. Bd. 9. Heft 2. S. 109-172.

Gusakov V.A., Gagarin V.G., Semenova L.M., 2014. Taxonomic composition and structure of meio-and macrozoobenthos of investigated reservoirs. Ecology of internal waters of Vietnam. Moskov. P. 163-190. In Russian.

Nguyen Dinh Tu, Gagarin V.G., Nguyen Vu Thanh, Nguyen Thi Xuan Phuong, Nguyen Thanh Hien, 2014. Two new nematode species of the genus Daptonema Cobb, 1920 (Nematoda, Xyalidae) from mangrove forest estuary of the Red River (Vietnam). Inland Water Biology. Vol. 7. № 2. P. 125-133. In Russian.

Nguyen Txi Thu, Nguyen Vu Thanh, Gagarin V.G., 2004. Two new brackish water nematode species of the genus Daptonema Cobb, 1920 (Nematoda: Monhysterida) from Can Gio mangrove. The 2004-th National Conference of Life Sciences Thai Nguyen University. P. 249-252. In Vietnamese.

Nguyen Vu Thanh, Gagarin V.G., 2004. Two new free-living brackish water nematode species of the genus Daptonema Cobb, 1920 (Nematoda: Monhysterida) recorded from Can Gio mangrove. The 2004-th National Conference of Life Sciences Thai Nguyen University. P. 229-232. In Vietnamese.

Nguyen Vu Thanh, Gagarin V.G., 2009. Three species of monhysterids (Nematoda: Monhysterida) from mangrove forest of the Mekong River Estuary, Vietnam. Journal of Biology (Hanoi). Vol.31. № 2. P. 8-15.

Nguyen Vu Thanh, Lai Phu Hoang, Gagarin V.G., 2005. The new species of Daptonema pumilus sp. n. (Nematoda: Monhysterida) in Vietnam. Journal of Biology (Hanoi). Vol. 27. № 3. P. 1-4. In Vietnamese.

Pastor de Ward C.T., 1985. Nematodes marinos de La Ria Deseado (Monhysteroidea, Xyalidae) Santa Cruz, Argentina. II. Physs, Secc. A. 43(105). P. 113-130.

Seinhorst J.V. 1959. A rapid method for the transfer of nematodes from fixative to anhydrous glycerin. Nematologica Vol. 4. P. 67-69.

Venekey V., Gheller R., Maria T.F., Brustolin M.C., Kandratavicius N., Vieira D.C., Brito S., Souza G.S., Fonseca G., 2014. The state of the art of Xyalidae (Nematoda: Monhysterida), with reference to the Brazilian record. Marine Biodiversity. Vol. 44. № 3. P. 367-390.

Published

2016-12-30

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Section

Articles