Hirschmanniella maritima n. sp. (Nematoda: Pratylenchidae) – a New Nematode Species Parasitizing Baltic Plants in Poland
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05. Juli 2025
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Artikel-Kategorie: Research Paper
Online veröffentlicht: 05. Juli 2025
Eingereicht: 14. Apr. 2025
DOI: https://doi.org/10.2478/jofnem-2025-0030
Schlüsselwörter
© 2025 G. Winiszewska et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Figure 6:
Morphometric characteristics of females and males of Hirschmanniella maritima n_ sp_ Measurements are provided in μm and in the form of mean ± standard deviation, with the range given in parentheses and the coefficient of variation (CV) in italics after the parentheses_ All abbreviations are used according to Brzeski (1998)_
| n | 1 | 14 | 12 | 20 | 22 | 6 | 8 | 41 | 42 |
| L | 3009 | 2355 ± 266.4 (1893–2708) |
2122 ± 198.3 (1787–2441) |
2688 ± 228.2 (2218–3010) |
2619 ± 205.8 (2065–3085) |
2531 ± 201.6 (2146–2682) |
2248 ± 93.3 (2100–2356) |
2559 ± 284.3 (1893–3010) |
2406 ± 294.1 (1787–3085) |
| a | 62 | 67.0 ± 7.2 (59.2–81.8) |
64.5 ± 5.2 (57.3–75.3) |
68.6 ± 5.6 (59.5–79.7) |
69.7 ± 6.6 (55.3–81.2) |
64.5 ± 3.5 (60.4–70.0) |
62.6 ± 4.3 (58.2–69.8) |
67.3 ± 6.0 (59.2–81.8) |
66.9 ± 6.5 (55.3–81.2) |
| b | 18.9 | 15.6 ± 1.4 (13.1–17.8) |
13.8 ± 1.0 (11.6–15.4) |
17.1 ± 1.5 (14.5–19.7) |
17.2 ± 1.0 (14.9–18.8) |
15.9 ± 1.0 (15.0–17.4) |
14.2 ± 0.7 (13.2–15.2) |
16.4 ± 1.6 (13.1–19.7) |
15.7 ± 1.9 (11.6–18.8) |
| b’ | 6.8 | 5.6 ± 0.6 (4.8–6.5) |
4.9 ± 0.3 (4.5–5.7) |
7.9 ± 0.8 (6.1–9.2) |
5.7 ± 0.8 (4.5–7.0) |
5.5 ± 0.4 (5.0–5.9) |
5.3 ± 0.6 (4.5–6.3) |
6.7 ± 1.3 (4.8–9.2) |
5.3 ± 0.6 (4.5–7.0) |
| c | 14.6 | 15.1 ± 2.0 (12.6–17.8) |
15.5 ± 1.2 (13.7–17.9) |
14.5 ± 1.2 (12.8–17.4) |
17.6 ± 1.5 (14.2–20.6) |
14.0 ± 0.5 (13.4–14.8) |
15.3 ± 1.5 (13.5–17.4) |
14.6 ± 1.5 (12.6–17.8) |
16.6 ± 1.8 (13.5–20.6) |
| c’ | 6.6 | 5.8 ± 05 (5.1–6.5) |
6.0 ± 0.4 (5.4–6.7) |
6.7 ± 0.7 (5.2–8.1) |
6.1 ± 0.7 (4.7–7.7) |
6.6 ± 0.6 (6.2–7.7) |
5.9 ± 0.6 (4.7–6.6) |
6.4 ± 0.7 (5.1–8.1) |
6.0 ± 0.6 (4.7–7.7) |
| V | 46.8 | 52.8 ± 1.7 (50.0–55.4) |
- | 49.8 ± 1.9 (46.8–53.7) |
- | 52.2 ± 1.7 (49.3–53.5) |
- | 51.1 ± 2.3 (46.8–55.4) |
- |
| G1 | 19.2 | 24.0 ± 2.8 (18.8–28.9) |
- | 22.3 ± 4.8 (14.7–29.8) |
- | 32.3 ± 3.4 (27.8–36.8) |
- | 24.9 ± 5.2 (14.7–36.8) |
- |
| G2 | 16.8 | 23.8 ± 2.6 (18.8–28.8) |
- | 22.7 ± 5.1 (14.7–28.5) |
- | 30.7 ± 2.9 (26.1–34.2) |
- | 24.6 ±4.8 (14.7–34.2) |
- |
| T | - | - | 44.3 ± 2.8 (38.9–48.0) |
- | 39.7 ± 4.5 (29.2–51.2) |
- | 44.9 ± 3.1 (40.4–49.5) |
- | 42.2 ± 4.4 (29.2–51.2) |
| Lip region diameter | 13.2 | 10.5 ± 0.6 (9.6–11.5) |
10.3 ± 0.6 (9.7–11.8) |
10.5 ± 0.5 (9.5–11.8) |
10.3 ± 0.4 (9.5–10.8) |
10.9 ± 0.7 (9.6–11.6) |
10.2 ± 0.6 (9.2–11.1) |
10.6 ± 0.7 (9.5–13.2) |
10.3 ± 0.5 (9.2–11.8) |
| Lip region height | 5.7 | 4.6 ± 0.4 (3.8–5.2) |
4.7 ± 0.6 (3.9–5.9) |
4.5 ± 0.4 (3.8–5.2) |
4.0 ± 0.4 (3.4–4.9) |
4.7 ± 0.2 (4.5–5.1) |
4.7 ± 0.3 (4.4–5.2) |
4.6 ± 0.4 (3.8–5.7) |
4.4 ± 0.5 (3.4–5.9) |
| Lip annules number | 5 | 5.3± 0.5(5–6) |
5.2±0.4 (5–6) |
4.8±0.4 (4–5) |
4.7±0.5 (4–5) |
5.2±0.4 (5–6) |
5.4± 0.5(5–6) |
5.1 ± 0.5 (4–6) |
5.0 ± 0.5 (4–6) |
| Stylet length | 23.2 | 21.3 ± 1.8 (19.3–24.5) |
20.9 ± 1.3 (19.4–23.4) |
21.5 ± 0.9 (20.0–23.4) |
21.3 ± 0.6 (20.4–22.8) |
21.6 ± 0.4 (20.9–22.1) |
21.5 ± 1.0 (20.2–23.3) |
21.5 ± 1.3 (19.3–24.5) |
21.2 ± 0.9 (19.4–23.4) |
| Conus length | 10.8 | 10.6 ± 0.9 (9.4–12.1) |
10.4 ± 0.8 (9.2–12.0) |
11.0 ± 1.0 (10.0–12.9) |
10.9 ± 0.6 (9.8–11.8) |
10.7 ± 0.2 (10.4–11.0) |
10.6 ± 0.6 (9.4–11.2) |
10.8 ± 0.8 (9.4–12.9) |
10.7 ± 0.7 (9.2–12.0) |
| Shaft length | 9.5 | 8.3 ± 0.8 (7.0–9.7) |
7.9 ± 0.5 (7.3–8.8) |
7.8 ± 0.9 (6.7–10.4) |
10.4 ± 0.7 (9.0–12.0) |
8.1 ± 0.3 (7.6–8.4) |
8.3 ± 0.4 (7.7–9.2) |
8.0 ± 0.8 (6.7–10.4) |
9.3 ± 1.3 (7.3–12.0) |
| Stylet knob height | 2.9 | 2.5 ± 0.3 (2.1–3.1) |
2.6 ± 0.2 (2.2–3.0) |
2.9 ± 0.4 (2.3–3.8) |
2.8 ± 0.3 (2.3–3.5) |
2.8 ± 0.2 (2.7–3.1) |
2.6 ± 0.3 (2.3–3.0) |
2.8 ± 0.4 (2.1–3.8) |
2.7 ± 0.3 (2.2–3.5) |
| Stylet knob width | 5.8 | 5.0 ± 0.5 (4.1–5.9) |
4.8 ± 0.3 (4.4–5.3) |
4.8 ± 0.6 (3.6–5.8) |
4.5 ± 0.3 (4.0–5.2) |
5.1 ± 0.3 (4.7–5.5) |
4.6 ± 0.2 (4.3–5.0) |
4.9 ± 0.5 (3.6–5.9) |
4.6 ± 0.3 (4.0–5.3) |
| Anterior end to median bulb valve distance | 108.8 | 102.9 ± 6.1 (94.1–115.0) |
103.1 ± 5.6 (95–111) |
108.5 ± 4.8 (102.1–119.0) |
111.2 ± 5.0 (102.1–120.3) |
108.8 ± 3.7 (104.4–112.5) |
108.5 ± 3.3 (103–112) |
106.5 ± 5.7 (94.1–119) |
108.3 ± 6.0 (95.0–120.3) |
| Anterior end to pharyngo-intestinal junction (PIJ) distance | 159 | 151.1 ± 12.9 (132–172) |
153.8 ± 8.4 (136–165) |
157.8 ± 8.4 (135–170) |
152.4 ± 8.6 (138–173) |
159.3 ± 12.5 (143–177) |
157.9 ± 4.6 (151–167) |
155.8 ± 10.9 (132–177) |
153.8 ± 8.0 (136–172.5) |
| Pharyngeal overlap length | 286 | 273.6 ± 40.1 (228–377) |
277.1 ± 39.1 (226–357) |
185.7 ± 31.4 (159–284) |
304.9 ± 65.8 (215–423) |
302.5 ± 36.3 (259–359) |
270.3 ± 53.1 (203–324) |
238.2 ± 60.5 (159–377) |
283.8 ± 52.5 (203–422.7) |
| Anterior end to nerve ring distance | 143.6 | 134 ± 10.4 (120–155) 7.8 | 130.0 ± 8.3 (116–145) |
136.5 ± 6.1 (126–143) |
141.9 ± 6.2 (133–149) |
139.3 ± 8.2 (127–147) |
136.3 ± 4.7 (128–141) |
136.5 ± 8.5 (120–155) |
135.1 ± 8.3 (116–149) |
| Anterior end to excretory pore (EP) distance | 180.8 | 167.8 ± 12.8 (144–186) |
170.0 ± 9.4 (154–184) |
174.8 ± 9.3 (155–190) |
176.7 ± 11.7 (159–197) |
181.8 ± 11.1 (163–196) |
182.1 ± 8.5 (174–200) |
173.4 ± 11.8 (144–196) |
175.8 ± 11.1 (154–200) |
| EP to PIJ distance | 21.8 | 16.7 ± 7.1 (4–25) |
16.3 ± 4.4 (7–22) |
16.3 ± 6.9 (3.0–30.0) |
24.3 ± 10.0 (6.8–46.1) |
22.9 ± 3.6 (19.5–28.9) |
22.9 ± 5.0 (16.8–30.9) |
17.7 ± 6.8 (3–30) |
21.7 ± 8.6 (6.8–46.1) |
| Max. body diameter | 48.5 | 35.2 ± 2.7 (31.3–40) |
33.0 ± 2.4 (29.5–38.2) |
39.3 ± 3.2 (34.0–45.2) |
37.8 ± 3.3 (31.7–43.8) |
39.4 ±4.5 (32.6–44.4) |
36.1 ± 2.9 (32.2–40.5) |
38.1 ± 4.1 (31.3–48.5) |
36.1 ± 3.6 (29.5–43.8) |
| Female anterior genital branch length | 578 | 564.3 ± 91.6 (418–729) |
- | 604.4 ± 105.8 (414–764) |
- | 814.0 ± 74.1 (709–939) |
- | 626.0 ± 130.3 (414–939) |
- |
| Female posterior genital branch length | 505 | 560.9 ± 84.6(424–727) |
- | 619.9 ± 121.5 (413–761) |
- | 774.8 ± 82.6 (666–906) |
- | 619.5 ± 124.8 (413–906) |
- |
| Anterior spermatheca length | 54.7 | 45.6 ± 12.2 (32.5–74.0) |
- | 76.0 ± 4.4 (69.5–80.4) |
- | 54.3 ± 3.2 (51.2–58.8) |
- | 55.3 ± 15.1 (32.5–80.4) |
- |
| Anterior spermatheca diameter | 28.8 | 22.7 ± 5.0 (13.2–28.8) |
- | 34.1 ± 4.7 (26.9–38.3) |
- | 23.3 ± 3.2 (20–27) |
- | 25.9 ± 6.5 (13.2–38.3) |
- |
| Posterior spermatheca length | 47.1 | 43.9 ± 9.3 (32–59) |
- | 83.1 ± 3.7 (78.6–87.3) |
- | 55.0 ± 4.3 (47.7–59.2) |
- | 54.7 ± 16.8 (32.0–87.3) |
- |
| Posterior spermatheca diameter | 31.5 | 22.1 ±5.3 (11.8–27.8) |
- | 36.8 ± 3.3 (33.2–40.4) |
- | 24.3 ± 2.0 (22.1–26.7) |
- | 26.3 ± 7.2 (11.8–40.4) |
- |
| Cloaca to most anterior part of testis distance | - | - | 937.9 ± 94.3 (812–1103) |
- | 1042.7 ± 137.5 (798–1382) |
- | 1007.8 ± 69.8 (879–1074) |
- | 1002.2 ± 120.0 (798–1382) |
| Anal body diameter | 31.3 | 27.1 ± 2.1 (24.5–30.4) |
23.0 ± 2.2 (20.6–25.9) |
27.8 ± 2.3 (24.0–31.8) |
24.8 ± 2.3 (20.6–28.9) |
27.6 ± 3.9 (20.9–31.7) |
25.2 ± 1.6 (22.7–28.0) |
27.6 ± 2.5 (20.9–31.8) |
24.4 ± 2.3 (20.6–28.9) |
| Rectum/cloaca length | 24.7 | 25.3± 2.6 (20.6–29.6) |
33.5±2.9 (31.4–38.4) |
24.5± 4.2 (19.4–35.0) |
27.8±3.2 (24.0–35.0) |
29.8±1.1 (28.5–31.3) |
33.4±2.3 (31.5–36.0) |
25.8 ± 3.7 (19.4–35.0) |
30.6 ± 4.0 (24–38.4) |
| Spicule length | - | - | 38.4 ± 1.1 (36.4–39.4) |
- | 38.5 ± 2.3 (34.0–43.2) |
- | 40.8 ± 1.8 (38.4–42.2) |
- | 38.7 ± 2.2 (34–43.2) |
| Gubernaculum length | - | - | 13.1 ± 1.0 (12.0–14.5) |
- | 12.1 ± 1.0 (10.4–14.6) |
- | 12.1 ± 0.7 (11.4–12.7) |
- | 12.3 ± 1.0 (10.4–14.6) |
| Tail length | 205.6 | 157 ± 9.0 (150–178) |
136.8 ± 9.0 (120–150) |
186.6 ± 18.3 (153–215) |
149.8 ± 14.3 (115–178) |
180.8 ± 13.0 (160–196) |
147.5 ± 12.6 (126–159) |
176.1 ± 20.3 (150–215) |
145.6 ± 13.7 (115–177.5) |
Description of Hirschmanniella maritima n_ sp_ populations isolated from Potamogeton perfoliatus L_ plants with GenBank accession numbers of sequences acquired from the large subunit ribosomal DNA (28S rDNA) and the cytochrome c oxidase subunit I (mtCOI)_
| The Gulf of Gdańsk, Jelitkowo Gdańsk, from a 3-m depth, 17.09.2011. Collected with a fyke net set. |
2 |
KC507798 | 1 | PV031916 |
| The Gulf of Gdańsk, Sopot, estuary of the Swelina River, from a 1-m depth, 1.07.2012. The plants were pulled out by hand. | 4 | - | ||
| The Puck Bay, Rewa, the Beka reserve. Plants were washed ashore after an autumn storm. 28.10.2009. | 24 |
11 | PV031913 | |
| 3 | PV031914 | |||
| 1 | PV031915 | |||
| The Puck Bay, Władysławowo, from a 3-m depth, 12.07.2012. Collected with a fyke net set. | 2 | - | ||
| Vistula Lagoon, Kąty Rybackie, from a 1-m depth, 28.06.2011. The plants were pulled out by hand. | - | 1 | PV031914 | |