TABLE 6 in Antennal troglomorphy in Arrhopalitidae (Collembola: Symphypleona) with the description of two new cave Pygmarrhopalites Vargovitsh, 2009 species from the Arabika Massif in the Caucasus

TABLE 6. Characteristics of antennae in adult females of the Caucasian troglomorphic Pygmarropalites species. Character / SpeciesP. arbaicus sp. nov.P. dbariP. kovaliP. rystsoviP. trisetosus sp. nov.Ant length (in µm) (max)1280103377712701368Ant/total body ratio (mean)0.840.960.811.090.92Ant/head ratio (mean)2.402.852.313.392.77Ant IV/head ratio (mean)1.461.741.382.121.62Ant IV part in Ant length60.79%61.98%59.76%62.41%58.69%SS in Ant IV117596Annuli between SS1112–41Intercalary pseudo-SS01–2073–4Ant IV whorls (b+m+a)17 (4+9+4)13 (4+5+4)13 (5+3+5)15 (4+7+4)13 (5+4+4)Setae in Ant I, II, III, IV7, 15, 20, 1767, 15, 20, 1167, 15, 20, 1127, 15, 20, 1387, 15, 20, 124Setae in whorls Ant IV-b36 (5+9+11+11)24 (5+6+6+7)33 (5+6+5+7+10)24 (5+5+6+8)31 (5+8+9+9+12)Ant IV-b /Ant III (mean)0.821.011.230.671.15Ant I/II/III/IV (mean)1/2.6/4.4/11.61/3.1/5.2/14.11/2.2/3.6/9.91/2.8/4.9/13.81/3.0/5.2/12.4 SS—subsegments; b—basal subsegment; m—median subsegments; a—apical subsegment.