Morphological Characterization of Mesocriconema mamitensis N. Sp. and A Known Species, Mesocriconema medani (Phukan & Sanwal, 1981) Loof & De Grisse, 1989, From Mamit District, Mizoram

Authors

  • Sorokhaibam Mexico Singh Reseracher and Professor, Department of Life Sciences (Zoology), Manipur University, Canchipur, 795003, Manipur, India.
  • Phougeishangbam Rolish Singh Researcher, Nematology Research Unit, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium.
  • Samandram Sushilkumar Singh Department of Life Sciences (Zoology), Manipur University, Canchipur, 795003, Manipur, India.
  • N. Mohilal Professor, Department of Zoology, Manipur University

DOI:

https://doi.org/10.17762/jaz.v44i1.81

Keywords:

Mesocriconema, Scanning Electron Microscopy, Taxonomy, Tylenchida

Abstract

Nematological investigation of the order Tylenchida, super-family Criconematoidea and sub-family Macroposthoniinae revealed the presence of two species of the genus Mesocriconema i.e., Mesocriconema mamitensis n. sp. and M. medani, in the rhizospheres of lemongrass and pineapple, respectively, from Mamit district of Mizoram, India. Mesocriconema mamitensis n. sp. is characterized by body length = 0.34-0.45 mm, stylet length = 37.6-49.6 µm, R = 117-120, RV = 7-9, Rvan = 1-2, Ran = 5-7, Roes = 24-32, V = 91.6-93.2 µm, and VL/VB = 0.91-1.27 µm. Mesocriconema medani is characterized by body length = 0.37-0.47 mm, stylet length = 40.6-46.1 µm, R = 117-118, RV = 7-9, Rvan = 1-2, Ran = 5-7, Roes = 26-29, V = 90.4-91.6 µm, and VL/VB = 1.2-1.3 µm. The morphological characterizations of the two species have been done through light and scanning electron microscopy studies. Morphometrics, line illustrations, and information about their hosts and locality are also provided. In addition to the new species description, this study reports M. medani for the first time in Mizoram, India.

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Published

2023-03-13

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