Agrilus lestagei Théry, 1930

= A. collartianus Descarpentries & Villiers, 1963 syn. nov.

Examination of syntypes of A. lestagei preserved in BMNL and ISNB, and the holotype of A. collartianus in MNHN revealed their conspecifity.

Examined specimens. LAOS. Houaphan: Ban Saleuy, Phou Pan-Gnai; 20°12’30”N, 104°00’E ; 6-2011; alt. 1340– 1870 m; 4 (EJCB) . VIETNAM. Ha Nam: Chua Huong, Huong Son; 20°36’N, 105°50’E ; 4-1991; 15 (EJCB). Lang Son: 52 km SW of Lang Son; 21°35‘N, 106°30‘E ; 4, 5-1996; alt. 370 m; 100 (EJCB) . Ninh Binh: Cuc Phuong Nat. Park; 20°18‘N, 105°39‘E ; 5-1991; 5 (EJCB). Vinh Phuc: TamDao; 21°27’23”N, 105°38’32”E ; 5-1991; alt. 900 m; 2 (EJCB) .

Distribution. LAOS: Houaphan; VIETNAM: Bac Giang, Ha Nam, Ha Noi, Hoa Binh, Lang Son, Ninh Binh, Vinh Phuc.