Table 3.
Measurements (in μm) and the pt values of selected morphological structures of 5 females and 2 juveniles of Milnesium decorum sp. nov. from Portugal, PT.010, mounted in Hoyer’s medium. All available specimens were measured.
| Character | N | Range | Mean | SD | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| µm | pt | µm | pt | µm | pt | ||||||
| Body length | 7 | 414–783 | 1357–1767 | 622 | 1502 | 141 | 146 | ||||
| Peribuccal papillae length | 5 | 6.4–10.8 | 19.3–24.4 | 9.1 | 21.3 | 1.7 | 2.0 | ||||
| Lateral papillae length | 7 | 4.1–8.9 | 13.4–20.1 | 6.8 | 16.4 | 1.6 | 2.0 | ||||
| Buccal tube | |||||||||||
| Length | 7 | 30.5–48.8 | – | 41.1 | – | 6.7 | – | ||||
| Stylet support insertion point | 7 | 19.6–28.9 | 59.2–65.6 | 25.8 | 63.1 | 3.8 | 2.1 | ||||
| Anterior width | 7 | 11.0–23.0 | 33.7–51.9 | 17.0 | 40.8 | 4.8 | 6.7 | ||||
| Standard width | 7 | 9.4–19.6 | 30.4–44.2 | 14.8 | 35.6 | 4.1 | 5.2 | ||||
| Posterior width | 7 | 9.3–20.0 | 28.0–44.7 | 14.6 | 34.9 | 4.5 | 6.3 | ||||
| Standard width/length ratio | 7 | 30%–44% | – | 36% | – | 5% | – | ||||
| Posterior/anterior width ratio | 7 | 79%–96% | – | 86% | – | 6% | – | ||||
| Claw 1 heights | |||||||||||
| External primary branch | 7 | 13.2–21.7 | 38.0–45.2 | 17.7 | 43.2 | 3.1 | 2.6 | ||||
| External base + secondary branch | 7 | 10.3–16.2 | 30.6–36.7 | 13.8 | 33.6 | 2.2 | 2.3 | ||||
| External branches length ratio | 7 | 74%–82% | – | 78% | – | 3% | – | ||||
| Internal primary branch | 7 | 13.3–21.1 | 35.9–44.6 | 17.1 | 41.8 | 2.8 | 3.0 | ||||
| Internal base + secondary branch | 7 | 9.9–15.8 | 28.0–34.9 | 13.2 | 32.2 | 2.2 | 2.4 | ||||
| Internal spur | 5 | 4.2–5.5 | 11.3–13.8 | 5.2 | 12.4 | 0.6 | 0.9 | ||||
| Internal branches length ratio | 7 | 74%–80% | – | 77% | – | 2% | – | ||||
| Claw 2 heights | |||||||||||
| External primary branch | 7 | 15.5–22.5 | 40.4–50.8 | 18.8 | 46.0 | 2.8 | 4.0 | ||||
| External base + secondary branch | 6 | 9.7–16.5 | 30.6–36.1 | 14.1 | 33.2 | 2.6 | 2.4 | ||||
| External branches length ratio | 6 | 63%–82% | – | 73% | – | 6% | – | ||||
| Internal primary branch | 6 | 14.8–19.9 | 40.2–48.5 | 17.5 | 44.4 | 2.0 | 3.5 | ||||
| Internal base + secondary branch | 5 | 9.7–15.8 | 30.4–35.7 | 13.6 | 32.4 | 2.5 | 2.2 | ||||
| Internal spur | 7 | 4.2–6.9 | 12.2–18.7 | 5.8 | 14.3 | 0.9 | 2.2 | ||||
| Internal branches length ratio | 4 | 66%–79% | – | 75% | – | 6% | – | ||||
| Claw 3 heights | |||||||||||
| External primary branch | 7 | 14.2–21.0 | 41.6–49.4 | 18.6 | 45.4 | 2.6 | 2.9 | ||||
| External base + secondary branch | 7 | 10.3–16.6 | 30.9–36.2 | 14.0 | 34.1 | 2.3 | 1.9 | ||||
| External branches length ratio | 7 | 69%–82% | – | 75% | – | 4% | – | ||||
| Internal primary branch | 6 | 15.5–19.9 | 40.8–46.7 | 18.3 | 42.9 | 1.6 | 2.1 | ||||
| Internal base + secondary branch | 7 | 10.4–15.6 | 29.2–35.5 | 13.5 | 33.0 | 2.1 | 2.3 | ||||
| Internal spur | 5 | 4.3–6.4 | 12.2–15.7 | 5.4 | 13.7 | 0.8 | 1.3 | ||||
| Internal branches length ratio | 6 | 70%–82% | – | 76% | – | 4% | – | ||||
| Claw 4 heights | |||||||||||
| Anterior primary branch | 7 | 16.1–26.0 | 49.3–58.1 | 21.9 | 53.5 | 3.5 | 2.9 | ||||
| Anterior base + secondary branch | 7 | 11.3–17.7 | 34.2–40.0 | 15.2 | 37.0 | 2.4 | 2.4 | ||||
| Anterior spur | 5 | 4.5–6.5 | 10.6–16.9 | 5.4 | 13.9 | 0.8 | 2.3 | ||||
| Anterior branches length ratio | 7 | 64%–77% | – | 69% | – | 4% | – | ||||
| Posterior primary branch | 7 | 18.0–27.1 | 52.2–61.7 | 23.3 | 57.1 | 3.4 | 3.4 | ||||
| Posterior base + secondary branch | 7 | 11.1–18.4 | 34.8–41.3 | 15.5 | 37.7 | 2.7 | 2.2 | ||||
| Posterior branches length ratio | 7 | 61%–73% | – | 66% | – | 5% | – | ||||