Table 4.
Measurements (in μm) and the pt values of selected morphological structures of 5 males 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 | 1 | 410–410 | 1459–1459 | 410 | 1459 | ? | ? | ||||
| Peribuccal papillae length | 1 | 3.9–3.9 | 12.1–12.1 | 3.9 | 12.1 | ? | ? | ||||
| Lateral papillae length | 1 | 4.4–4.4 | 15.7–15.7 | 4.4 | 15.7 | ? | ? | ||||
| Buccal tube | |||||||||||
| Length | 5 | 27.6–32.3 | – | 29.6 | – | 1.9 | – | ||||
| Stylet support insertion point | 5 | 17.4–20.7 | 61.5–65.2 | 18.8 | 63.5 | 1.3 | 1.6 | ||||
| Anterior width | 5 | 8.0–9.9 | 27.9–33.1 | 9.1 | 30.8 | 0.7 | 2.5 | ||||
| Standard width | 5 | 6.6–7.7 | 23.5–25.1 | 7.2 | 24.4 | 0.5 | 0.7 | ||||
| Posterior width | 5 | 6.9–7.7 | 22.3–26.1 | 7.3 | 24.8 | 0.3 | 1.5 | ||||
| Standard width/length ratio | 5 | 23%–25% | – | 24% | – | 1% | – | ||||
| Posterior/anterior width ratio | 5 | 78%–86% | – | 81% | – | 3% | – | ||||
| Claw 1 heights | |||||||||||
| External primary branch | 4 | 15.0–16.6 | 50.8–55.5 | 15.5 | 53.8 | 0.7 | 2.2 | ||||
| External base + secondary branch | 5 | 11.6–12.8 | 39.6–44.5 | 12.4 | 42.0 | 0.5 | 1.9 | ||||
| External branches length ratio | 4 | 76%–83% | – | 79% | – | 3% | – | ||||
| Internal primary branch | 2 | 15.1–15.2 | 53.7–55.1 | 15.2 | 54.4 | 0.1 | 0.9 | ||||
| Internal base + secondary branch | 5 | 12.1–13.3 | 39.3–45.6 | 12.6 | 42.9 | 0.5 | 2.6 | ||||
| Internal spur | 1 | 5.0–5.0 | 15.5–15.5 | 5.0 | 15.5 | ? | ? | ||||
| Internal branches length ratio | 2 | 80%–85% | – | 82% | – | 4% | – | ||||
| Claw 2 heights | |||||||||||
| External primary branch | 5 | 16.0–18.9 | 54.5–63.0 | 17.5 | 59.2 | 1.3 | 3.4 | ||||
| External base + secondary branch | 5 | 11.2–12.3 | 37.5–43.1 | 11.8 | 40.1 | 0.5 | 2.3 | ||||
| External branches length ratio | 5 | 65%–71% | – | 68% | – | 2% | – | ||||
| Internal primary branch | 4 | 15.6–18.0 | 52.6–60.2 | 16.7 | 56.8 | 1.0 | 3.2 | ||||
| Internal base + secondary branch | 5 | 10.8–13.0 | 38.5–42.7 | 11.9 | 40.4 | 0.8 | 1.7 | ||||
| Internal spur | 5 | 3.0–5.9 | 10.7–21.4 | 5.0 | 16.8 | 1.2 | 4.0 | ||||
| Internal branches length ratio | 4 | 69%–76% | – | 72% | – | 4% | – | ||||
| Claw 3 heights | |||||||||||
| External primary branch | 4 | 16.2–18.3 | 54.2–65.1 | 17.4 | 60.4 | 1.0 | 4.6 | ||||
| External base + secondary branch | 5 | 10.2–12.6 | 34.1–42.7 | 11.6 | 39.3 | 0.9 | 4.3 | ||||
| External branches length ratio | 4 | 63%–70% | – | 67% | – | 3% | – | ||||
| Internal primary branch | 4 | 16.3–18.6 | 53.9–63.3 | 17.5 | 59.6 | 1.0 | 4.2 | ||||
| Internal base + secondary branch | 4 | 10.9–12.4 | 38.4–41.6 | 11.8 | 39.9 | 0.6 | 1.4 | ||||
| Internal spur | 3 | 5.1–6.0 | 15.8–20.3 | 5.6 | 18.7 | 0.5 | 2.5 | ||||
| Internal branches length ratio | 4 | 65%–71% | – | 67% | – | 3% | – | ||||
| Claw 4 heights | |||||||||||
| Anterior primary branch | 2 | 21.7–22.9 | 72.6–81.5 | 22.3 | 77.0 | 0.8 | 6.3 | ||||
| Anterior base + secondary branch | 5 | 12.1–13.6 | 40.5–46.3 | 12.8 | 43.4 | 0.6 | 2.2 | ||||
| Anterior branches length ratio | 2 | 57%–60% | – | 58% | – | 2% | – | ||||
| Posterior primary branch | 2 | 19.0–19.3 | 64.5–67.6 | 19.2 | 66.1 | 0.2 | 2.2 | ||||
| Posterior base + secondary branch | 3 | 11.6–12.5 | 38.8–44.1 | 12.2 | 41.6 | 0.5 | 2.7 | ||||
| Posterior spur | 1 | 5.6–5.6 | 19.9–19.9 | 5.6 | 19.9 | ? | ? | ||||
| Posterior branches length ratio | 2 | 60%–65% | – | 63% | – | 4% | – | ||||