A new species of Eudemopsis Falkovitsh (Lepidoptera: Tortricidae: Olethreutinae: Olethreutini) from Thailand and Laos, with the proposed synonymy of Fansipaniana Razowski Author Pinkaew, Nantasak Department of Entomology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand. & Biodiversity Center Kasetsart University, Bangkok 10900, Thailand. Author Muadsub, Sopita 0000-0002-9672-1878 Department of Entomology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand. muadsub_s@hotmail.com Author Jaikla, Soraya 0000-0003-4922-733X Department of Entomology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand. soraya.jai@ku.th text Zootaxa 2024 2024-11-04 5536 2 336 344 http://dx.doi.org/10.11646/zootaxa.5536.2.9 journal article 10.11646/zootaxa.5536.2.9 1175-5326 14033803 70C4FA22-0913-4DE9-81CD-285FB1B5468A Eudemopsis tamdaoensis ( Heppner & Bae, 2016 ) , comb. nov. Fansipaniana tamdaoensis : Heppner & Bae 2016: 1 . Type locality: VietnamVinh Phuc Province , Tam Dao ”. Holotype ( ): FSCA / MGCL .