Antennal troglomorphy in Arrhopalitidae (Collembola: Symphypleona) with the description of two new cave Pygmarrhopalites Vargovitsh, 2009 species from the Arabika Massif in the Caucasus
Author
Vargovitsh, Robert S.
text
Zootaxa
2025
2025-08-07
5673
4
523
556
https://doi.org/10.11646/zootaxa.5673.4.3
journal article
312147
10.11646/zootaxa.5673.4.3
bac1bb01-04c5-4e61-9d47-50a01967360a
1175-5326
16982611
9AE749B4-1845-40A1-A9C4-AC94ACC7FABA
TABLE 2. Proportions (mean) for selected body parts of adult types of Pygmarrhopalites arbaicus sp. nov. and P. trisetosus sp. nov.| Ratio | Pygmarrhopalites arbaicus sp. nov. Females (n=10) Males (n=3) | Pygmarrhopalites trisetosus sp. nov. Females (n=7) Males (n=2) |
|---|
| Antenna/head | 2.40 | 2.58 | 2.77 | 2.95 |
|---|
| Ant IV/head | 1.46 | 1.59 | 1.62 | 1.76 |
|---|
| Ant II/Ant I | 2.56 | 2.60 | 2.96 | 2.81 |
|---|
| Ant III/Ant I | 4.36 | 4.48 | 5.16 | 4.97 |
|---|
| Ant IV/Ant I | 11.62 | 12.15 | 12.35 | 12.52 |
|---|
| Ant IV: basal/apical subsegment | 2.84 | 2.55 | 3.10 | 3.01 |
|---|
| Ant IV basal subsegment/Ant III | 0.82 | 0.83 | 1.15 | 1.23 |
|---|
| Head/tibiotarsus I | 1.24 | 1.24 | 1.05 | 1.02 |
|---|
| Tibiotarsus II/tibiotarsus I | 1.01 | 1.01 | 0.97 | 0.97 |
|---|
| Tibiotarsus III/tibiotarsus I | 1.21 | 1.20 | 1.17 | 1.18 |
|---|
| Tibiotarsus I/claw I | 5.03 | 4.96 | 5.34 | 5.48 |
|---|
| Tibiotarsus II/claw II | 5.20 | 5.14 | 5.38 | 5.67 |
|---|
| Tibiotarsus III/claw III | 6.33 | 6.18 | 7.43 | 7.72 |
|---|
| Claw I/empodium I | 1.02 | 1.10 | 1.66 | 1.73 |
|---|
| Claw II/empodium II | 1.14 | 1.34 | 1.69 | 1.74 |
|---|
| Claw III/empodium III | 1.48 | 1.47 | 1.56 | 1.59 |
|---|
| Appendices anales: length/basal width | 14.41 | - | 9.57 | - |
|---|
| Dens/mucro | 1.76 | 1.79 | 1.96 | 1.95 |
|---|
| Dens/manubrium | 1.11 | 1.13 | 1.28 | 1.26 |
|---|
| Trichobothria: AB / BC distance | 0.86 | 0.83 | 0.69 | ? |
|---|
| Abd IV dI-1 /head dorsum longest seta | 3.14 | 3.31 | 2.04 | 2.08 |
|---|
| Abd IV dI-1 /Th II m1 seta | 3.05 | 3.75 | 2.42 | 3.19 |
|---|
| Abd IV dI-1 /claw III | 1.36 | 1.58 | 1.49 | 1.55 |
|---|
| Abd IV dI-1 /longest Abd VI seta | 1.18 | 1.58 | 1.33 | 1.48 |
|---|
| Body total/tibiotarsus III | 2.94 | 3.13 | 2.76 | 2.51 |
|---|
| Body total/furca | 1.79 | 1.85 | 1.71 | 1.62 |
|---|
| Body total/ dI-1 of Abd IV | 13.62 | 12.23 | 13.76 | 12.56 |
|---|
| Body total/claw I | 17.84 | 18.51 | 17.14 | 16.18 |
|---|