Observation on Hemicriconemoides brachyurus (Loos, 1949 ) Chitwood & Birchfield, 1957 associated with grass in South Africa
| 03 sept. 2022
À propos de cet article
Article Category: Research Note
Publié en ligne: 03 sept. 2022
Pages: 210 - 216
Reçu: 05 mars 2021
Accepté: 26 mai 2021
DOI: https://doi.org/10.2478/helm-2022-0019
Mots clés
© 2022 E. Shokoohi, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Fig. 1
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Fig. 4
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.
| Location | Cape Town |
| n | 8 females |
| Body Length | 442.5 ± 21.4 (429-474) |
| a | 15.1 ± 0.4 (14.6-15.3) |
| b | 4.6 ± 0.2 (4.5-4.8) |
| c | 28.5 ± 3.6 (24.3-30.6) |
| V | 93.4 ± 0.5 (93-94) |
| o | 7.7 ± 0.0 (7.7-7.8) |
| dgo | 3.9 ± 0.1 (3.8-4.0) |
| G1 | 43.1 ± 1.6 (41-44) |
| First lip annuli width | 4.5 ± 0.5 (3.8-5.0) |
| Second annuli width | 2.1 ± 0.5 (1.8-2.8) |
| Lip region width | 14.1 ± 0.6 (14-15) |
| Stylet length | 54.3 ± 8.6 (49-67) |
| Stylet knob width | 7.3 ± 2.3 (5-10) |
| Stylet knob length | 3.6 ± 1.0 (3-5) |
| Metenchium length | 40.9 ± 1.0 (40-42) |
| Telenchium length | 8.8 ± 0.2 (8.7-9.0) |
| m | 81.8 ± 0.9 (81-82) |
| Median bulb to the anterior end | 61.3 ± 2.3 (60-64) |
| Nerve ring to the anterior end | 73.7 ± 0.6 (73-74) |
| Excretory pore to anterior end | 102.0 (n =1) |
| Pharynx | 101.3 ± 13.3 (92-121) |
| Body diameter at neck | 28.7 ± 1.2 (28-30) |
| Body diameter at mid-body | 30.3 ± 0.6 (30-31) |
| Body diameter at anus | 14.0 ± 1.7 (13-16) |
| Annuli width | 4.3 ± 0.3 (4-5) |
| Vagina | 6.7 ± 0.6 (6-7) |
| Anterior genital branch | 208.0 ± 43.5 (181-273) |
| Spermatheca length | 27.5 ± 2.5 (24-30) |
| Spermatheca width | 16.0 ± 2.7 (14-20) |
| First body length | 432.0 ± 5.2 (429-438) |
| Second body length | 425.3 ± 4.0 (423-430) |
| Body annuli number | 104.3 ± 1.2 (103-105) |
| Rst | 13.0 ± 1.4 (11-14) |
| Rph | 22.7 ± 0.6 (22-23) |
| Rex | 24.0 (n = 1) |
| Rv | 6.3 ± 0.0 (5-7) |
| Ran | 5.3 ± 5.0 (5-6) |
| Rvan | 3.7 ± 0.6 (3-4) |
| VL/VB | 1.3 ± 0.1 (1.2-1.4) |
| Tail Length | 15.3 ± 2.3 (14-18) |
| St%L | 11.6 ± 0.3 (11-12) |
| Vulva-anus distance | 12.3 ±1.2 (11-13) |
| Vulva anterior end | 414.5 ± 21.8 (402-447) |
| Vulva to tail end | 30.8 ± 5.2 (27-38) |
| sperm size | 4.1 ± 0.7 (3.4-5.0) |