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First report of Aphelenchoides bicaudatus (Imamura, 1931) Filipjev and Schuurmans Stekhoven, 1941 associated with grass in South Africa Cover

First report of Aphelenchoides bicaudatus (Imamura, 1931) Filipjev and Schuurmans Stekhoven, 1941 associated with grass in South Africa

By: E. Shokoohi and  N. A. G. Moyo  
Open Access
|Dec 2022

Abstract

Aphelenchoides bicaudatus associated with grass in South Africa was identified morphologically and molecularly. This population is characterized by a body length of 409 – 529 μm, a stylet length of 9.5 – 13 μm, a post-vulval uterine sac of 45 – 50 μm, and the characteristic tail bifurcated at the end with one prong longer than the other. Molecular analyses based on the 18S and ITS rDNA data confirmed the primary morphological identification of the A. bicaudatus species. The obtained phylogenetic trees revealed a close positioning of the South African population to other representatives of A. bicaudatus with the maximum (1.00) posterior probability value. Principal component analysis (PCA) also indicated a variation within the populations of A. bicaudatus. This is the first report of A. bicaudatus from South Africa.

DOI: https://doi.org/10.2478/helm-2022-0035 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 414 - 423
Submitted on: Apr 13, 2022
Accepted on: Aug 17, 2022
Published on: Dec 30, 2022
Published by: Slovak Academy of Sciences, Institute of Parasitology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2022 E. Shokoohi, N. A. G. Moyo, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.