Table 5.
Measurements (in μm) and the pt values of selected morphological structures of 9 hatchlings 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 | 8 | 265–322 | 1085–1314 | 295 | 1206 | 19 | 78 | ||||
| Peribuccal papillae length | 5 | 3.4–4.3 | 13.9–18.0 | 3.9 | 16.0 | 0.5 | 1.9 | ||||
| Lateral papillae length | 4 | 3.1–4.5 | 12.9–18.1 | 3.8 | 15.3 | 0.6 | 2.2 | ||||
| Buccal tube | |||||||||||
| Length | 9 | 23.6–25.6 | – | 24.3 | – | 0.6 | – | ||||
| Stylet support insertion point | 9 | 15.7–16.8 | 64.1–69.2 | 16.3 | 67.1 | 0.3 | 1.7 | ||||
| Anterior width | 9 | 7.1–8.3 | 28.5–35.0 | 7.6 | 31.3 | 0.5 | 2.3 | ||||
| Standard width | 9 | 6.1–7.1 | 25.5–28.7 | 6.6 | 27.1 | 0.3 | 1.0 | ||||
| Posterior width | 9 | 6.2–7.0 | 25.3–29.5 | 6.6 | 27.3 | 0.3 | 1.4 | ||||
| Standard width/length ratio | 9 | 26%–29% | – | 27% | – | 1% | – | ||||
| Posterior/anterior width ratio | 9 | 83%–93% | – | 87% | – | 4% | – | ||||
| Claw 1 heights | |||||||||||
| External primary branch | 8 | 11.5–13.1 | 47.5–54.0 | 12.3 | 50.5 | 0.6 | 2.1 | ||||
| External base + secondary branch | 8 | 8.3–9.5 | 34.6–37.6 | 8.8 | 36.1 | 0.4 | 1.0 | ||||
| External spur | 6 | 1.7–3.1 | 7.1–12.5 | 2.3 | 9.3 | 0.5 | 1.8 | ||||
| External branches length ratio | 7 | 68%–75% | – | 71% | – | 2% | – | ||||
| Internal primary branch | 7 | 10.6–13.1 | 42.7–52.0 | 11.6 | 47.5 | 1.0 | 3.3 | ||||
| Internal base + secondary branch | 9 | 8.0–9.4 | 33.1–39.7 | 8.7 | 35.8 | 0.4 | 2.0 | ||||
| Internal spur | 8 | 2.1–3.4 | 8.5–14.4 | 2.9 | 12.1 | 0.5 | 2.1 | ||||
| Internal branches length ratio | 7 | 69%–84% | – | 77% | – | 6% | – | ||||
| Claw 2 heights | |||||||||||
| External primary branch | 8 | 11.4–14.6 | 47.1–57.0 | 13.1 | 53.5 | 0.9 | 3.1 | ||||
| External base + secondary branch | 8 | 8.3–9.8 | 34.6–39.3 | 9.1 | 37.4 | 0.5 | 1.4 | ||||
| External spur | 6 | 2.2–3.1 | 9.2–12.1 | 2.6 | 10.7 | 0.3 | 1.2 | ||||
| External branches length ratio | 7 | 67%–71% | – | 68% | – | 2% | – | ||||
| Internal primary branch | 8 | 11.0–13.9 | 44.4–54.3 | 12.1 | 49.8 | 0.9 | 3.3 | ||||
| Internal base + secondary branch | 7 | 8.5–9.2 | 34.7––37.3 | 8.8 | 36.2 | 0.3 | 0.9 | ||||
| Internal spur | 7 | 2.3–4.0 | 9.3–16.9 | 3.2 | 13.1 | 0.6 | 2.8 | ||||
| Internal branches length ratio | 6 | 66%–83% | – | 73% | – | 6% | – | ||||
| Claw 3 heights | |||||||||||
| External primary branch | 9 | 12.3–14.6 | 51.3–57.7 | 13.3 | 54.5 | 0.8 | 2.2 | ||||
| External base + secondary branch | 9 | 8.6–10.1 | 35.8–39.5 | 9.2 | 37.7 | 0.4 | 1.3 | ||||
| External spur | 4 | 2.3–3.2 | 9.0–12.9 | 2.7 | 10.7 | 0.4 | 1.7 | ||||
| External branches length ratio | 9 | 63%–73% | – | 69% | – | 3% | – | ||||
| Internal primary branch | 6 | 12.3–13.6 | 49.6–55.3 | 12.9 | 52.9 | 0.5 | 1.9 | ||||
| Internal base + secondary branch | 7 | 8.6–9.7 | 35.5–39.6 | 9.1 | 37.3 | 0.4 | 1.4 | ||||
| Internal spur | 8 | 2.4–3.6 | 9.4–15.3 | 3.0 | 12.4 | 0.4 | 2.0 | ||||
| Internal branches length ratio | 5 | 69%–76% | – | 72% | – | 3% | – | ||||
| Claw 4 heights | |||||||||||
| Anterior primary branch | 7 | 13.1–15.5 | 54.6–62.5 | 14.1 | 58.2 | 0.8 | 3.4 | ||||
| Anterior base + secondary branch | 5 | 8.4–9.5 | 34.7–39.7 | 8.9 | 36.8 | 0.4 | 2.1 | ||||
| Anterior spur | 5 | 2.8–3.6 | 11.7–15.2 | 3.1 | 12.9 | 0.3 | 1.4 | ||||
| Anterior branches length ratio | 5 | 62%–66% | – | 64% | – | 2% | – | ||||
| Posterior primary branch | 8 | 14.0–16.9 | 57.9–66.9 | 15.5 | 63.4 | 1.0 | 3.4 | ||||
| Posterior base + secondary branch | 5 | 8.8–9.6 | 37.1–38.7 | 9.1 | 37.6 | 0.3 | 0.6 | ||||
| Posterior spur | 4 | 1.9–3.1 | 7.9–12.9 | 2.6 | 10.5 | 0.5 | 2.1 | ||||
| Posterior branches length ratio | 5 | 56%–64% | – | 61% | – | 4% | – | ||||