Taxonomic, distributional and biological study of the genus Agrilus (Coleoptera Buprestidae). Part III Author Jendek, Eduard 0000-0003-3928-6491 Department of Forest Protection and Entomology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 1176, CZ- 165 21, Prague 6 - Suchdol, Czech Republic. & jendeke @ gmail. com; https: // orcid. org / 0000 - 0003 - 3928 - 6491 jendeke@gmail.com Author Nakládal, Oto 0000-0001-8427-3708 Department of Forest Protection and Entomology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 1176, CZ- 165 21, Prague 6 - Suchdol, Czech Republic. & nakladal @ fld. czu. cz; https: // orcid. org / 0000 - 0001 - 8427 - 3708 nakladal@fld.czu.cz text Zootaxa 2021 2021-04-16 4963 1 58 90 journal article 7186 10.11646/zootaxa.4963.1.3 d3f24fd7-5da2-4ab8-928a-b519df8ec1c2 1175-5326 4719859 669876F0-304A-4AC5-8801-A49E5CAE7820 Agrilus hexastigmus Bourgoin, 1925 = A. rilliardi Baudon, 1988 syn. nov. Examination of the holotype of A. rilliardi preserved in PRCN revealed its conspecifity with A. hexastigmus . Examined specimens. LAOS . Bolikhamxai : 8 km Northeastern of Ban Nape ; 18°21’N , 105°08’E ; 5-2001; alt. 600 m ; 17 ( EJCB ) // Ban Nape—Kaew Nua Pass ; 18°22’20”N , 105°09’06”E ; 4, 5-1998; alt. 500–700 m ; 1 ♂ , 2 ♀ ( EJCB ) // Ban Nape ( 8 km NE); 18°21’N , 105°08’E ; 5-2001; alt. 600 m ; 1 ♀ ( EJCB ) . Champasak : Bolaven Plateau , Route ( No. 23) Pakse— Paksong , Ban Itou env. (km 35); 15°10’24”N , 106°05’48”E ; 4-1999; alt. 800 m ; 70 ( EJCB ) . Louang Namtha : Namtha—Muang Sing ; 21°09’N , 101°19’E ; 5-1997; alt. 900–1200 m ; 1 ♀ ( EJCB ) . Louangphabang : Muang Ngoy ; 20°43’N , 102°41’E ; 4-1999; alt. 500 m ; 1 ♂ ( EJCB ) . THAILAND . Mae Hong Son : Ban Huai Po ; 19°19’N , 097°59’E ; 4, 5-1991; alt. 1600–2000 m ; 1 ( EJCB ) // Ban Si Lang ; 19°16’N , 098°01’E ; 5-1996; alt. 1200 m ; 1 ♀ ( NMPC ) // Soppong-Pai ; 19°27’N , 098°20’E ; 5-1993; alt. 1800 m ; 1 ♂ , 2 ♀ ( EJCB ) .