A new species of Eudemopsis Falkovitsh (Lepidoptera: Tortricidae: Olethreutinae: Olethreutini) from Thailand and Laos, with the proposed synonymy of Fansipaniana Razowski Author Pinkaew, Nantasak 0000-0002-4307-4427 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. agrnsp@ku.ac.th 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 Falkovitsh, 1962 ( Falkovitsh 1962: 190 ; Diakonoff 1973: 99 ; Kawabe 1974: 388 , 1989: 32 ; Liu & Bai 1982: 45 , 1985: 136 ; Byun et al. 1996: 201 , 1998: 111 ; Yu 2012: 260 ; Nasu & Komai 2013: 203 ; Nedoshivina 2013: 108 ). Fansipaniana Razowski, 2009 ( Razowski 2009: 124 ; Heppner & Bae 2016: 135 ), new synonymy .