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First report of Mesocriconema sphaerocephalum (Taylor, 1936) Loof, 1989 associated with wild grass in Botswana

Ebrahim Shokoohi

Ebrahim Shokoohi

Green Biotechnologies Research Centre of Excellence, University of LimpopoSovenga, South Africa
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Shokoohi, Ebrahim
  
01 janv. 2021
First report of Mesocriconema sphaerocephalum (Taylor, 1936) Loof, 1989 associated with wild grass in Botswana's Cover Image
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Publié en ligne: 01 janv. 2021
Pages: 1 - 5
DOI: https://doi.org/10.21307/jofnem-2021-013
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© 2021 Authors, published by Sciendo.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1:

Mesocriconema sphaerocephalum (Taylor, 1936; Loof, 1989). (A) Anterior end; (B) pharynx and excretory pore (arrow); (C) lateral field with anastomoses at mid-body; (D, G) entire body; (E, F) posterior end (Scale bar: 10 µm; except for D, G 100 µm).
Mesocriconema sphaerocephalum (Taylor, 1936; Loof, 1989). (A) Anterior end; (B) pharynx and excretory pore (arrow); (C) lateral field with anastomoses at mid-body; (D, G) entire body; (E, F) posterior end (Scale bar: 10 µm; except for D, G 100 µm).

Figure 2:

(Left) 18S rDNA and (right) 28S rDNA Bayesian tree inferred from known and newly sequenced Mesocriconema sphaerocephalum from Botswana.
(Left) 18S rDNA and (right) 28S rDNA Bayesian tree inferred from known and newly sequenced Mesocriconema sphaerocephalum from Botswana.

Measurements of females of M_ sphaerocephalum from Botswana_

n 10 ♀♀
L 318 ± 24.8 (275-342)
a 9.7 ± 0.4 (9.2-10.2)
b 3.4 ± 0.1 (3.2-3.6)
c 40.6 ± 4.5 (34.1-44.7)
c´ 0.5 ± 0.02 (0.4-0.5)
VL/VB 0.6 ± 0.4 (0.7-0.9)
V 91 ± 3.5 (88-96)
VL 24 ± 0.5 (23-24)
Stylet 48 ± 2.3 (45-51)
Nerve ring 71 ± 4.9 (67-74)
Pharynx 96 ± 5.7 (87-103)
Excretory pore 102 ± 8.8 (96-115)
Neck base diameter 33 ± 1.4 (31-34)
Vulval-body diameter 28 ± 3.1 (25-32)
Anal body diameter 17 ± 1.8 (16-20)
Tail length 8 ± 0.8 (7-9)
Rst 12 ± 1.0 (11-13)
Rph 22 ± 0.5 (21-22)
Rex 21 ± 1.2 (20-22)
Rv 4.6 ± 0.5 (4-5)
Ran 2.3 ± 0.5 (2-3)
Rvan 2.6 ± 0.5 (2-3)
R 66 ± 1.4 (65-67)
Langue:
Anglais
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Sciences de la vie, Sciences de la vie, autres
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