Epitrichius versutus (Krikken), new combination

Trichius versutus Krikken, 1972: 489 (Type locality: Mauson Mountains, Vietnam. Holotype in RMNH)

Type material examined. The male holotype, deposited in RMNH, is pinned with the following label: Tokin, Mtes Mauson/ Rolle,, Trichius / fraterculus / Moser/ coll. F. T. Valck Lucassen/ Trichius versutus nov. J. Krikken ms 1972, HOLOTYPE / genitalia was dissected and glued to a paper point.

Specimens examined. VIETNAM: Tonkin, Montes Mauson, April, Mai 2 –3000’, H. Fruhstorfer (1 female, ISNB); Vin Phu: Tam Dao, 1100m., 12-V-2003, Mamoru Owada (1 female, NSMT); ibid, VI-VII- 1993 (1 male, Iwase coll.); ibid, IV-1994 (1 male, CCLI); Cao Bang, 5-VI-1996, Itoh (1 male, CCLI); ibid, 29-V-1995, Kume & Itoh (1 female, CCLI).

Distribution. Northern Vietnam (Fig. 19).

Remarks. This species can be separated from species in the genus by the overall setiferous surface of the head and pronotum in both sexes, the setae along the base of the pronotum being denser and lighter in color, and the elytra with long semi-erect setae that is sparsely distributed around the scutellum and/or extends apically along the suture halfway down the elytra.