Cyphochilus leducthoi n. sp. Figs 68-70, 85 Holotype: MHNG (MHNG-ENTO-81695); 1 ♂, VIETNAM: // North VIETNAM / Tam Dao / 10-20.V.1993 (P) // HOLOTYPUS ♂ / Cyphochilus / leducthoi mihi / G. Sabatinelli, 2020 (T on red) //. (Fig. 85). Paratype: 18 specimens. VIETNAM: PCAR; 1 ♂; N. Vietnam, Tam Dao, 400 - 900 m; 18.IV.2012; leg. Hoa Binh. – MHNG; 8 ♂, 8 ♀; same locality than previous, 29.IV.1991; leg. M. Fujoka & R. Muramoto. – MHNB; 5 ♂; N. Vietnam, Tam Dao, Vinh Phu Prov., 20-28.VI.1990; leg. Jan Strnad. Description of the holotype male: Size – BL: 20 mm, BW: 8.3 mm, BWX: 11.2 mm, situated at midpoint of elytra. Color – Integument light brown; surface with white scales aggregated along the sides of pronotum and margins of elytra. Head – CW/L: 3; anterolateral edges of clypeus rounded, lateral edges of clypeus curved divergent posteriad; frons large, making eyes relatively small (F/O: 5.5); frons concave; antennal club slightly shorter than antennomeres 2-7 (A2-7/CL: 1.2). Pronotum – Transverse (PnW/L: 2.2), strongly convex; apical angles and lateral margins narrowly flattened, apical angles right, not protuberant; basal lateral margins curved, basal angles largely rounded. Elytra – With striae slightly visible among the scales but not elevated. Thoracic sterna – Surface with short, white pubescence and scales, mesosternum slightly developed anteriorly (MstL: 0.35 mm) however, visible between the mesocoxae in lateral view. Abdomen – Sternites with sparse scales except the median part of the eight sternite; pygidium convex with apical margin narrowly reflected. Legs – Protibiae tridentate with the basal tooth well developed; slender apical tooth as long as the middle tooth. Aedeagus – Parameres strongly asymmetric with four appendices (Figs 68-70). Variability: BL: 18-22.5 mm (x = 19.8, n = 17). Females: BL: 19-22.5 mm, BW: 8.7 mm, BWX: 11.5 mm; antennal club ovate, shorter than preceding antennomeres (A2-7/CL: 1.5). Etymology: Le Dúc Thọ was a Vietnamese general, diplomat, politician, and awardee (but refused ...