Tortricidae from Vietnam in the collection of the Berlin Museum. 6. Olethreutinae (Lepidoptera: Tortricidae)

53 species of Olethreutinae are recorded; three genera (Fansipania Razowski gen. n., Dacgleia Razowski, gen. n., Ustrilapex Razowski, gen. n.) and 25 species (Sorolopha brunnorbis Razowski, sp. n., Phaecasiophora astrata Razowski, sp. n., P. rufata Razowski, sp. n., Sycacantha pararufata Razowski, sp. n., S. ngoclinhana Razowski, sp. n., S. montana Razowski, sp. n., Neostatherotis pallidtornus Razowski, sp. n., N. vietnamica Razowski, sp. n., Celypha atriapex Razowski, sp. n., C. sapaecola Razowski, sp. n., C. argyrata Razowski, sp. n., Neopotamia triloba Razowski, sp. n., N. atrigrapta Razowski, sp. n., Fansipaniana fansipana Razowski, sp. n., Metrioglypha viridicosta Razowski, sp. n., Statherotis afonini Razowski, sp. n., Ancylis gigas Razowski, sp. n., Eucosmogastra kontumica Razowski, sp. n.., Dacgleia cerata Razowski, sp. n., Rhopobota ancylimorpha Razowski, sp. n., R. nova Razowski, sp. n., R. latisocia Razowski, sp. n., Epinotia niveipalpa Razowski, sp. n., Eucoenogenes atripalpa Razowski, sp. n., E. sipanga Razowski, sp. n., Cydia cyriosa Razowski, sp. n.) are described as new to science, 13 species are new to Vietnam. New combinations: Eucosma semicurva Meyrick, 1912 is transferred to Hermenias Meyrick, 1911, Eucosma numellata Meyrick, 1912 and Cydia speculatrix Meyrick, 1907 to Ustrilapex Razowski, gen. n.