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Description of Neorhabditis andrassyii n. sp., and Re-Description of Poikilolaimus oxycercus de Man, 1895 from Sindh

Description of Neorhabditis andrassyii n. sp., and Re-Description of Poikilolaimus oxycercus de Man, 1895 from Sindh

Tabassum Ara Khanum, Nasir Mehmood* and Shahina Fayyaz

National Nematological Research Centre, University of Karachi, Karachi-75270

 
* Corresponding author: nasir00576@gmail.com

ABSTRACT

During surveys of chikoo (Manilkara zapota L. van Royen) plantation at Saedabad, Karachi, Sindh, Pakistan, several soil sample analysis revealed one new and one known free-living soil nematode species, Neorhabditis andrassyii n. sp., and Poikilolaimus oxycercus which represents a new record of this species from Pakistan. Neorhabditis andrassyii n. sp. is characterized by having male (1109-1222) µm long body, spicules 32-44 µm long, gubernaculum slightly curved, boat shaped with flat distal end eight pairs of bursal papillae were present. Tail (46-68) µm long conical with fine tip, leptoderan bursa.  Female 1223-1742 µm long, anterior to middle vulva 48.7 (37-55) % tail filiform 156-206 µm long, 7-18.7 times as anal body width long. Detailed taxonomical studies of new species are given with measurements, descriptions, illustrations and photomicrophotographs along with brief description, measurements and microphotographs of Poikilolaimus oxycercus.

 

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Pakistan Journal of Zoology

August

Vol. 54, Iss. 4, Pages 1501-2001

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