Figure 1:

Morphometric of females of Chambersiella rodens Cobb, 1920, C_ inserrai Cid del Prado et al_, 2021 C_ bakeri Sanwal, 1957, C_ galapagoensis Cid del Prado, 2012 and C_ jejuensis Mwamula et al_, 2025 from the original descriptions, additional measurements of C_ bakeri by Holovachov, and original measurements of C_ rodens by Eisenback and Vieira_
| Character | C. rodens (Cobb, 1920) | C. rodens (this study) | C. inserrai (Cid del Prado et al., 2021) | C. bakeri (Sanwal, 1957) | C. bakeri (Holovachov et al., 2003) | C. galapagoensis (Cid del Prado et al., 2021) | C. jejuensis (Mwamula et al., 2025) |
|---|---|---|---|---|---|---|---|
| n | 1 | 5 | 5 | – | 10 | 19 | 16 |
| L | (670) | 905–1,354 (1,077) | 1,000–1,200 (1,100) | 1,100–1,300 (1,200) | 1,001–1,200 (1,100) | 800–1,200 (1,000) | 1,040–1,306 (1,163) |
| a | (27.0) | 19.6–24.0 (21.4) | 24.6–28.8 (26.9) | – | 17.6–23.5 (20.7) | 19.3–35 (25.0) | 23.6–30.3 (26.9) |
| b | (5.0) | 4.1–5.8 (4.6) | 4.5–5.1 (4.9) | 4.4–5.3 (4.9) | 4.4–5.3 (4.9) | 4.9–6.8 (5.7) | 4.9–5.9 (5.4) |
| c | (15.6) | 7.2–10.7 (9.0) | 8.9–14.5 (10.3) | 8.0–9.5 (8.8 | 8.0–9.5 (8.9) | 8.1–10.8 (9.6) | 7.0–7.9 (7.4) |
| c′ | (2.1) | 3.7–5.4 (4.6) | 3.3–5.8 (5.0) | 4.1–6.3 (5.2) | 4.1–6.3 (5.1) | 3.7–6.3 (4.7) | 5.7–7.2 (6.3) |
| V% | (58) | 42.0–53.3 (51.1) | 47.3–53.9 (49.9) | 48.8–52.3 (50.0) | 48.8–52.3 (50.2) | 39–50 (47) | 46.8–49.3 (48.0) |
| Esophagus l. | (135.3) | 218.5––262.0 (235.9) | 215–247 (228.0) | 224–248 (236) | 224–248 (238.0) | 141–207 (179) | 207.0–227.0 (217.2) |
| Corpus | – | 130.9––136.3 (135) | 134–143 (139.4) | 120–138 (129) | 120–138 (131) | 112–145 (125) | 123.5–140.0 (131.4) |
| Excretory pore | – | 163.2––202.0 (178.7) | 155–185 (16(6.5)) | 171–190 (180) | 171–190 (178) | 73–161 (133) | 148.0–183.0 (164.9 |
| Tail length | (42.9) | 102.0––142.0 (120.4) | 116–127 (121.3) | 121–144 (132) | 121–144 (131) | 81–121 (105) | 146.0–177.0 (156.4) |
| BDA | (20.8) | 25.0––28.8 (27.0) | 21–27 (22.6) | 23–31 (27) | 23–31 (26) | 18–28 (24.4) | 22.5–27.0 (24.8) |
| Ant. to NR | (85.1) | 140.1––151.0 (146.1) | 145–166 (154.5) | – | 144–165 (157) | 110–145 (130.5) | 131.0–155.5 (145.0) |
| Phasmid to anus | – | 27.1––43.0 (37) | 40–47 (43.2) | 33–46 (39) | 33–46 (39.8) | 32–51 (40.5) | 55.0–78.5 (64.8) |
| Ant. to deirid | – | – | 154–166 (159.0) | 166–190 (178) | 166–190 (178) | 129–152 (138) | 149.0–183.0 (165.4) |
| BD at vulva | (24.8) | 43.6––58.9 (48.2) | 42–50 (45.6) | – | – | 35–64 (49) | 33.5–45.5 (40.4) |
| BD maximum | (24.8) | 45.9––60.8 (50.1) | 38–48 (41.4) | 46–67 (57) | 46–67 (55.8) | 30–55 (41) | 38.0–48.0 (43.3) |