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On the synonymy of Trophotylenchulus asoensis and T. okamotoi with T. arenarius, and intra-generic structure of Paratylenchus (Nematoda: Tylenchulidae)

Journal of Nematology
Volume 51 (2019): Issue 1 (January 2019)
By:
Open Access
|Dec 2019

Figures & Tables

Figure 1:

Trophotylenchulus arenarius from Iran: Dehdasht population with narrow tail terminus in females (B, E–H, J, O) and Baghmalek population with blunt tail terminus in females (A, C, D, I, K–N). Female (A, B, K–O), male (F, J) and second-stage juvenile (C–E, G–I). A, B: entire body; C–E: head and stylet; F: anterior end and pharyngeal region; G–O: posterior end.
Trophotylenchulus arenarius from Iran: Dehdasht population with narrow tail terminus in females (B, E–H, J, O) and Baghmalek population with blunt tail terminus in females (A, C, D, I, K–N). Female (A, B, K–O), male (F, J) and second-stage juvenile (C–E, G–I). A, B: entire body; C–E: head and stylet; F: anterior end and pharyngeal region; G–O: posterior end.

Figure 2:

Trophotylenchulus arenarius from Iran: Dehdasht population (A, C, E, F, H, J–L) and Baghmalek population (B, D, G, I, M, N). Female (A–D, M, N), male (E, L) and second-stage juvenile (F–K). A, B: entire body; C–G: head and stylet; H–J: anterior end and pharyngeal region; K: lateral field at mid-body; L: posterior end; M, N: pharyngeal median bulb and excretory pore (scale bars: A = 50 µm; B = 100 µm; C–N = 10 µm).
Trophotylenchulus arenarius from Iran: Dehdasht population (A, C, E, F, H, J–L) and Baghmalek population (B, D, G, I, M, N). Female (A–D, M, N), male (E, L) and second-stage juvenile (F–K). A, B: entire body; C–G: head and stylet; H–J: anterior end and pharyngeal region; K: lateral field at mid-body; L: posterior end; M, N: pharyngeal median bulb and excretory pore (scale bars: A = 50 µm; B = 100 µm; C–N = 10 µm).

Figure 3:

Posterior end of females of Trophotylenchulus arenarius from Iran: Dehdasht population (A–E) and Baghmalek population (F–O) (scale bars = 10 µm).
Posterior end of females of Trophotylenchulus arenarius from Iran: Dehdasht population (A–E) and Baghmalek population (F–O) (scale bars = 10 µm).

Figure 4:

Posterior end of second-stage juveniles of Trophotylenchulus arenarius from Iran. Dehdasht population (A–H) and Baghmalek population (I–P) (scale bars = 10 µm).
Posterior end of second-stage juveniles of Trophotylenchulus arenarius from Iran. Dehdasht population (A–H) and Baghmalek population (I–P) (scale bars = 10 µm).

Figure 5:

Diagnostic characters of Paratylenchus goodeyi (A–E), P. nawadus (F–J) and P. teres (K–M) from Iran. Female (A–F, H, I, K–M) and male (G, J). A, B, F, G, K: anterior end and pharyngeal region; C, H, J: reproductive system; D, E, I, L, M: posterior end.
Diagnostic characters of Paratylenchus goodeyi (A–E), P. nawadus (F–J) and P. teres (K–M) from Iran. Female (A–F, H, I, K–M) and male (G, J). A, B, F, G, K: anterior end and pharyngeal region; C, H, J: reproductive system; D, E, I, L, M: posterior end.

Figure 6:

Paratylenchus goodeyi from Iran. Female (A–G). A: entire body; B: anterior end; C: part of reproductive system; D–G: posterior end (scale bars: A = 20 µm; B–G = 5 µm).
Paratylenchus goodeyi from Iran. Female (A–G). A: entire body; B: anterior end; C: part of reproductive system; D–G: posterior end (scale bars: A = 20 µm; B–G = 5 µm).

Figure 7:

Paratylenchus nawadus from Iran. Female (A, C–G) and male (B, H–J). A, J: entire body; B, C, F: anterior end; D, E: vulval region; G, I: posterior end; H: spicules (scale bars: A = 20 µm; B–I = 5 µm, J =  50 µm).
Paratylenchus nawadus from Iran. Female (A, C–G) and male (B, H–J). A, J: entire body; B, C, F: anterior end; D, E: vulval region; G, I: posterior end; H: spicules (scale bars: A = 20 µm; B–I = 5 µm, J =  50 µm).

Figure 8:

Diagnostic drawings of Paratylenchus sheri from Iran. Female (A, C, D, F–H, J–O) and male (B, E, I). A, B: entire body; C: head and stylet; D, E: anterior end and pharyngeal region; F–H: reproductive system; I–M: posterior end; N, O: cross sections at mid-body.
Diagnostic drawings of Paratylenchus sheri from Iran. Female (A, C, D, F–H, J–O) and male (B, E, I). A, B: entire body; C: head and stylet; D, E: anterior end and pharyngeal region; F–H: reproductive system; I–M: posterior end; N, O: cross sections at mid-body.

Figure 9:

Paratylenchus sheri from Iran. Female (A, B, E–M) and male (C, D, N). A, D: entire body; B, C: anterior end; E: cross sections from near mid-body; F–I: vulval region and part of reproductive system; J–M: posterior end; N: cloaca and genital organs (scale bars: A, D = 50 µm; B, C, E–I = 5 µm).
Paratylenchus sheri from Iran. Female (A, B, E–M) and male (C, D, N). A, D: entire body; B, C: anterior end; E: cross sections from near mid-body; F–I: vulval region and part of reproductive system; J–M: posterior end; N: cloaca and genital organs (scale bars: A, D = 50 µm; B, C, E–I = 5 µm).

Figure 10:

Paratylenchus teres from Iran. Female (A–D, F–H, J–L) and fourth-stage juvenile (E, I). A: entire body; B–E: head and stylet; F, J: vulval region; G, H: lateral field; I–L: posterior end (scale bars: A = 20 µm; B–I = 5 µm).
Paratylenchus teres from Iran. Female (A–D, F–H, J–L) and fourth-stage juvenile (E, I). A: entire body; B–E: head and stylet; F, J: vulval region; G, H: lateral field; I–L: posterior end (scale bars: A = 20 µm; B–I = 5 µm).

Figure 11:

The 50% majority rule consensus tree from Bayesian analysis generated from the D2–D3 expansion segments of 28 S rRNA gene dataset under the GTR + I + G model. Posterior probabilities for BI analysis more than 50% are given for appropriate clades. The new sequencesare indicated in bold.
The 50% majority rule consensus tree from Bayesian analysis generated from the D2–D3 expansion segments of 28 S rRNA gene dataset under the GTR + I + G model. Posterior probabilities for BI analysis more than 50% are given for appropriate clades. The new sequencesare indicated in bold.
DOI: https://doi.org/10.21307/jofnem-2019-078 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X
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Language: English
Page range: 1 - 14
Submitted on: Jul 20, 2019
Published on: Dec 24, 2019
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Identification,
Phylogeny,
Taxonomy,
Tylenchulidae,
28 S rRNA
Related subjects:
Life sciences,
Life sciences, other

© 2019 Hossein Mirbabaei, Ali Eskandari, Reza Ghaderi, Akbar Karegar, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

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