TABLE 4 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 4. Diagnostic characters distinguishing Pygmarrhopalites trisetosus sp. nov. from congeners in the principalis group with elongated antennae and slender head dorsum setae. Character / Speciestrisetosus sp. nov.rystsovi *alticolaarcahabeihubbardimadonnensisBody length (mm)1.2–1.41.10.71.20.80.70.8Antenna/head2.83.522.7–3222Head dorsum axial setae3444454Ant IV subsegments69 (10)57575Claw tunica I, II, III– – –– – –– + +– – –– – –– – –– – –Claw tooth I, II, III+(–) + ++(–) + ++ + +– + ++ + ++ + ++ + +Empodium tooth I, II, III+ + –– – –– – –+ + ++ + ++ + ++ + –Emp. tip/claw tip I, II, III<<<<<<> = =>> =>>>> = =>> =Manubrium setae6+67+76+6????Spiny setae on dens (e+i)2+1(0)12+32+32+32+32+3Setae on Abd VI dorsal valve10+2+1010+2+1011+2+1111+2+1111+2+1111+2+1111+2+11 * Based on morphology of appendices anales P. rystsovi occupies intermediate position between principalis and pygmaeus group