Symphylella zhongi sp. n. A mandible B first maxilla C–D 18th–21th segments of right antenna C dorsal view (bo-bladder-shaped organ, co-cavity-shaped organ, mo-mushroom-shaped organ, rso-rudimentary spined sensory organ, so-spined sensory organ) D ventral view E 1st–3rd segments of right antenna, dorsal view F stylus on base of 5th leg G 12th leg H right cercus, dorsal view. Scale bars: 20 μm (A–E, G, H); 5 μm (F).