Lithobius (Ezembius) tetraspinus sp. n., 1–3 and 7 paratype, male: 1 habitus, dorsal view, scale bar 1 mm 2 ocelli and Tömösváry’s organ (To), lateral view, scale bar 250 μm 3 forcipular segment, ventral view, scale bar 500 μm; 4–6 holotype, female: posterior segments and gonopods, ventral view, scale bar 500 µm 5 posterior segments and gonopods, ventral view, scale bar 500 µm 6 posterior part of the external margin of second article of gonopods, ventral view, scale bar 250 μm 7 terminal claw of right gonopod, dorsal view, scale bar 250 µm.