Eusirus bulbodigitus sp. n., holotype, male, NIBRIV0000332003, 11.3 mm. Jeju Island, South Korea. A Head B Antenna 1 C Accessory flagellum D Calceoli of flagellum on antenna 1 E Antenna 2 F, G Calceoli of peduncular article 5 and flagellum on antenna 2 H Upper lip I Lower lip J Maxilla 1 K Setae of outer plate on maxilla 1 L Maxilla 2. Scale bars = 0.1 mm (C, D, F, G, K), 0.2 mm (H–J, L), 0.5 mm (A, B, E).