Xyleborinus thaiphami Smith, Beaver & Cognato, 2020a
New records. CHINA: Yunnan, Honghe, Hekou, Dajianshan, 22.908N, 103.697E, 2111m, FIT, DJS10-3, 12.v.2018, L.Z.Meng (1, RABC) . [MYANMAR]: [Kachin State], Myitkyina, Hpemaw, 24.xi.[19]30, Po Yone, F.R.S. No. 500, ex Juglans regia (3, NHMUK) .
Distribution. China (Chongqing, Guizhou, Sichuan, Yunnan *), Myanmar *, Vietnam.
Remarks. Previously recorded from Pinus armandi (Pinaceae) (Smith et al. 2020a). Juglans regia (Juglandaceae) is a new host record.