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Morphometrics of females and males of Parkellus hagiangensis sp_ nov_ from Ha Giang Province, Vietnam_
| Du Gia natural reserve | |||
|---|---|---|---|
| Characters/ratios* | Holotype | Paratypes | |
| n | 1 female | 1 female | 3 males |
| L (µm) | 2,112 | 1,769 | 2,162–2,900 |
| a | 26.0 | 27.2 | 29.0–34.9 |
| b | 3.9 | 3.7 | 3.8–4.1 |
| c | 16.4 | 15.2 | 21.4–23.2 |
| c′ | 2.8 | 2.7 | 1.7–2.1 |
| V | 69 | 70 | |
| Lip region height (µm) | 13.3 | 12.2 | 12.0–13.6 |
| Lip region width (µm) | 40.5 | 40.2 | 44.8–46.4 |
| Buccal cavity length (µm) | 54.4 | 50.8 | 55.4–60.2 |
| Buccal cavity width (µm) | 29.9 | 29.1 | 28.8–31.6 |
| Position of tooth apex (%) from anterior end of buccal cavity | 75 | 76 | 71–74 |
| Nerve ring from anterior end (µm) | 143 | 138 | 152–170 |
| Excretory pore from anterior end (µm) | 173 | 153 | 177–196 |
| Pharynx length (µm) | 539 | 473 | 566–713 |
| Maximum body width (µm) | 78.3 | 65.0 | 74.7–83.0 |
| Anal body width (µm) | 45.5 | 42.7 | 55.0–65.2 |
| Rectum/cloaca length (µm) | 38.7 | 33.4 | 41.0–51.4 |
| Spicules length (µm) | 82.3–97.3 | ||
| Lateral guiding piece length (µm) | 18.2–22.2 | ||
| Tail length (µm) | 128 | 116 | 95–136 |
Morphometrics of females and males of Parkellus tuyenquangensis sp_ nov_ from Tuyen Quang Province, Vietnam_
| Cham Chu natural reserve | |||||
|---|---|---|---|---|---|
| Character | Holotype | Paratypes | Na Hang natural reserve | ||
| n | female | 3 females | 3 males | 11 females | 12 males |
| L (µm) | 2,205 | 2,185–2,487 | 2,235–2,648 | 2,995 ± 221.4 (2,726–3,363) | 2,753 ± 152.8 (2,545–3,067) |
| a | 29.8 | 25.5–31.8 | 28.7–31.7 | 30.5 ± 2.0 (28.0–30.0) | 32.8 ± 2.0 (28.4–34.6) |
| b | 3.6 | 3.8–4.0 | 3.8–4.0 | 4.4 ± 0.2 (4.1–4.7) | 4.2 ± 0.1 (4.0–4.5) |
| c | 17.2 | 18.2–19.8 | 17.3–26.3 | 19.7 ± 1.4 (18.1–22.4) | 21.8 ± 1.1 (19.7–23.5) |
| c′ | 2.6 | 2.5–2.7 | 1.7–2.1 | 2.8 ± 0.2 (2.3–3.0) | 2.1 ± 0.1 (1.9–2.3) |
| V | 68.0 | 69.0 | 68.7 ± 2.9 (67.0–73.0) | ||
| Lip region height (µm) | 12.6 | 11.1–14.6 | 12.3–13.9 | 10.6 ± 0.8 (8.8–11.4) | 11.3 ± 1.2 (9.7–13.2) |
| Lip region width (µm) | 43.1 | 40.9–47.4 | 41.2–43.8 | 45.4 ± 2.8 (41.4–50.2) | 44.8 ± 1.4 (43.0–46.6) |
| Buccal cavity length (µm) | 57.7 | 52.5–60.4 | 53.9–58.7 | 56.6 ± 1.7 (54.6–60.7) | 55.4 ± 1.6 (53.0–58.0) |
| Buccal cavity width (µm) | 28.2 | 28.0–29.3 | 27.7–28.5 | 30.1 ± 0.7 (29.0–30.8) | 29.0 ± 1.0 (27.3–30.8) |
| Position of tooth apex (%) from anterior end of buccal cavity | 64.0 | 60.0–62.0 | 60.0–67.0 | 66.4 ± 1.6 (63.0–68.3) | 66.9 ± 1.8 (64.0–70.0) |
| Nerve ring from anterior end (µm) | 149 | 140–163 | 155–163 | 172 ± 11.5 (151–191) | 170 ± 8.3 (158–180) |
| Excretory pore from anterior end (µm) | 185 | 175–195 | 180–194 | 204 ± 11.0 (189–223) | 199 ± 9.8 (185–216) |
| Pharynx length (µm) | 606 | 543–635 | 569–655 | 686 ± 35.0 (636–750) | 657 ± 26.6 (613–704) |
| Maximum body width (µm) | 73.9 | 78.1–83.4 | 78.0–83.6 | 98.6 ± 9.9 (81.0–110.0) | 86.1 ± 5.9 (76.5–96.8) |
| Anal body width (µm) | 48.3 | 47.6–50.8 | 59.4–62.7 | 55.5 ± 2.5 (49.5–58.5) | 61.2 ± 2.0 (58.5–65.0) |
| Rectum/cloaca length (µm) | 39.9 | 40.1–42.2 | 49.0–60.0 | 46.0 ± 4.2 (38.3–51.8) | 54,7± 3,9 (50.1–64.2) |
| Spicules length (µm) | 97.0–104.8 | 103.7 ± 5.8 (95.0–110.0) | |||
| Lateral guiding piece length (µm) | 12.6–17.8 | 16.3 ± 0.9 (15.0–17.6) | |||
| Tail length (µm) | 128 | 120–127 | 101–129 | 152 ± 13.6 (122–169) | 126.4 ± 7.6 (110–133) |
Morphometrics of females and males of Parkellus zschokkei (Menzel, 1913) from Ukraine_
| Characters/ratios* | Uzhhorod | |
|---|---|---|
| n | 13 females | 11 males |
| L (µm) | 2900 ± 175.3 (2,569–3,174) | 2748 ± 152.5 (2,454–3,012) |
| a | 33.0 ± 2.4 (29.3–38.8) | 36.6 ± 1.4 (34.1–39.7) |
| b | 4.5 ± 0.2 (4.3–4.8) | 4.3 ± 0.1 (4.0–4.5) |
| c | 21.4 ± 1.7 (17.4–23.1) | 23.4 ± 2.1 (21.0–27.8) |
| c′ | 2.5 ± 0.2 (2.2–2.9) | 1.8 ± 0.2 (1.5–2.0) |
| V | 68.0 ± 1.3 (65.0–70.3) | |
| Lip region height (µm) | 12.8 ± 1.1 (10.1–13.9) | 12.4 ± 1.0 (10.6–13.8) |
| Lip region width (µm) | 42.7 ± 2.1 (38.7–46.8) | 42.4 ± 1.9 (39.4–44.7) |
| Buccal cavity length (µm) | 50.8 ± 1.6 (48.3–53.7) | 51.2 ± 1.8 (47.1–54.5) |
| Buccal cavity width (µm) | 24.9 ± 1.0 (23.3–26.6) | 25.0 ± 0.5 (23.8–25.5) |
| Position of tooth apex (%) from anterior end of buccal cavity | 54.5 ± 3.1 (47.4–59.5) | 55.8 ± 2.1 (51.7–58.4) |
| Nerve ring from anterior end (µm) | 189 ± 10.0 (169–202) | 188 ± 8.9 (171–200) |
| Excretory pore from anterior end (µm) | 218 ± 12.0 (197–241) | 218 ± 7.3 (202–229) |
| Pharynx length (µm) | 642 ± 35.2 (579–705) | 641 ± 21.1 (606–667) |
| Maximum body width (µm) | 88.0 ± 5.3 (75.3–93.2) | 74.9 ± 4.8 (65.7–82.1) |
| Anal body width (µm) | 53.4 ± 2.6 (50.8–60.4) | 66.4 ± 5.1 (60.1–75.8) |
| Rectum/cloaca length (µm) | 45.7 ± 2.5 (42.8–50.2) | 54.5 ± 2.6 (50.1–59.0) |
| Spicules length (µm) | 106 ± 2.9 (102–111) | |
| Lateral guiding piece length (µm) | 21.5 ± 1.3 (20.3–24.5) | |
| Tail length (µm) | 136 ± 8.6 (120–151) | 118 ± 10.8 (94–134) |