TABLE 1 in A new species of Ptenothrix Börner, 1906 (Collembola, Symphypleona, Dicyrtomidae) from South Korea

TABLE 1. Characteristics of Ptenothrix koreanensis sp. nov. and three possibly related species of the genus. CharacteristicsPtenothrix koreanensis sp. nov.P. saxatilis (1)P. higashihirajii (2)P. ciliophora (1)LocalitySouth KoreaSouth KoreaJapanSouth KoreaColor patternheaduniformly black except for a median pale areauniformly black except for a median pale areapale, but mottled in the frontal regionbrownish, but with black pigments near the mouthlarge abdomenwide pale dorsal area, without extra patternswide pale dorsal area, with extra longitudinal stripeswide pale dorsal area, without extra patternsnarrow pale dorsal area, posteriorly with extra longitudinal stripesRatioAnt Ⅰ: II: III: IV1: 6: 6.8: 1.51: 5.4: 5.7: 1.71: 7: 9: 1.81: 8: 10: 2Ⅰe: Ⅰpe (ou1: ou2)1.4: 11.2: 11: 11: 1Chaetae formulaeacanthoid chaetae on clypeal area1, 1, 2, 2, 1, 31, 1, 2, 2, 1, 11, 1, 2, 2, 1, 31, 1, 2, 2, 1, 1labrum chaetae6, 5, 5, 46, 5, 3, 46, 5, 5, 46, 5, 3, 4whorls on Ant III8???acanthoid chaetae on posterior large Abd. (dⅠ–dIII)19, 8, 10???ChaetaeHeadocular (f, o)o much smaller than fo smaller than fo as long as fo smaller than fSmall abdomen (♀)ms1 (a0)smoothciliatedsmoothciliatedms2 (N)ms2 much smaller than as2ms2 as long as as2ms2 much smaller than as2ms2 as long as as2ps1 (sa)regularregularacanthoidregularpi2regularregularacanthoidregularmps’regularregularregularacanthoidmps1, 2, 3all smoothall ciliatedall smoothall ciliatedms4, mps4 (H, T)ms4 as long as mps4ms4 much longer than mps4ms4 as long as mps4ms4 as long as mps4Unguiculussubapical filaments on Ⅰ–IIIall weakly knobbedall knobbedall swollenⅠ and II acute, obtuse on IIIDens parafurcal area Mucroall smooth???mucro teeth (outer, inner)28–33, 28–3739, 4528, 3733, 48