Pygopore and male genitalia of Zanchius spp. A, E, F, M Zanchius tuehang sp. nov. B, G, H, I, N Z. marmoratus C, D, J, K, L, O Z. quinquemaculatus A–D pygopore E, G, H, J left paramere F, I, K right paramere L pygoporal process M–O endosoma. hp, hypophysis; lp, left paramere; pp, pygoporal process; rp, right paramere; sl, sensory lobe; sp, spicule. Scale bars: 0.2 mm (A–D); 0.1 mm (E–O).