Skip to main content
Have a personal or library account? Click to login
Observation on Hemicriconemoides brachyurus (Loos, 1949) Chitwood & Birchfield, 1957 associated with grass in South Africa Cover

Observation on Hemicriconemoides brachyurus (Loos, 1949) Chitwood & Birchfield, 1957 associated with grass in South Africa

By: E. Shokoohi  
Open Access
|Sep 2022

Figures & Tables

Fig. 1

Hemicriconemoides brachyurus (Loos, 1949) Chitwood & Birchfield, 1957. (A) anterior end; (B) lip region; (C) posterior end including spermatheca; (D) female posterior end; (E) entire female body.

Fig. 2

18S rDNA Bayesian tree inferred from known and newly sequenced Hemicriconemoides brachyurus from South Africa.

Fig. 3

PCA analysis of different populations of Hemicriconemoides brachyurus.

Fig. 4

Discriminant analysis of H. brachyurus and H. promissus.

Measurements of females of Hemicriconemoides brachyurus from South Africa_ All measurements are in μm and in the form: mean ± SD (range), except for the ratio_

LocationCape Town
n8 females
Body Length442.5 ± 21.4 (429-474)
a15.1 ± 0.4 (14.6-15.3)
b4.6 ± 0.2 (4.5-4.8)
c28.5 ± 3.6 (24.3-30.6)
V93.4 ± 0.5 (93-94)
o7.7 ± 0.0 (7.7-7.8)
dgo3.9 ± 0.1 (3.8-4.0)
G143.1 ± 1.6 (41-44)
First lip annuli width4.5 ± 0.5 (3.8-5.0)
Second annuli width2.1 ± 0.5 (1.8-2.8)
Lip region width14.1 ± 0.6 (14-15)
Stylet length54.3 ± 8.6 (49-67)
Stylet knob width7.3 ± 2.3 (5-10)
Stylet knob length3.6 ± 1.0 (3-5)
Metenchium length40.9 ± 1.0 (40-42)
Telenchium length8.8 ± 0.2 (8.7-9.0)
m81.8 ± 0.9 (81-82)
Median bulb to the anterior end61.3 ± 2.3 (60-64)
Nerve ring to the anterior end73.7 ± 0.6 (73-74)
Excretory pore to anterior end102.0 (n =1)
Pharynx101.3 ± 13.3 (92-121)
Body diameter at neck28.7 ± 1.2 (28-30)
Body diameter at mid-body30.3 ± 0.6 (30-31)
Body diameter at anus14.0 ± 1.7 (13-16)
Annuli width4.3 ± 0.3 (4-5)
Vagina6.7 ± 0.6 (6-7)
Anterior genital branch208.0 ± 43.5 (181-273)
Spermatheca length27.5 ± 2.5 (24-30)
Spermatheca width16.0 ± 2.7 (14-20)
First body length432.0 ± 5.2 (429-438)
Second body length425.3 ± 4.0 (423-430)
Body annuli number104.3 ± 1.2 (103-105)
Rst13.0 ± 1.4 (11-14)
Rph22.7 ± 0.6 (22-23)
Rex24.0 (n = 1)
Rv6.3 ± 0.0 (5-7)
Ran5.3 ± 5.0 (5-6)
Rvan3.7 ± 0.6 (3-4)
VL/VB1.3 ± 0.1 (1.2-1.4)
Tail Length15.3 ± 2.3 (14-18)
St%L11.6 ± 0.3 (11-12)
Vulva-anus distance12.3 ±1.2 (11-13)
Vulva anterior end414.5 ± 21.8 (402-447)
Vulva to tail end30.8 ± 5.2 (27-38)
sperm size4.1 ± 0.7 (3.4-5.0)
DOI: https://doi.org/10.2478/helm-2022-0019 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 210 - 216
Submitted on: Mar 5, 2021
Accepted on: May 26, 2021
Published on: Sep 3, 2022
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

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