Xyleborus opacus Smith, Beaver & Cognato, 2020a

New records. LAOS: NE, Hua Phan prov., 20°12′N, 104°01′E, PHU PHAN Mt., ~ 1750m, 17.v.-3.vi.2007, Vit. Kubáň (5, NHB); as previous except: 20°13′09-19″N 103°59′54″E, 1480-1550m, PHOU PANE Mt., 9.- 16.vi.2009, David Hauck (2, NHB).

Distribution. Laos *, Vietnam.