Four new and one newly recorded species of Diduga Moore, [1887] (Lepidoptera, Erebidae, Arctiinae) from Vietnam, with redescription of the little known species Diduga haematomiformis van Eecke, 1920 Author Bayarsaikhan, Ulziijargal Author Bae, Yang ˗ Seop text Zootaxa 2019 2019-07-01 4624 3 365 376 journal article 26341 10.11646/zootaxa.4624.3.5 1a8adc12-867c-42d3-9bc5-86bc61c00d8d 1175-5326 3264584 E0007DF5-795B-4237-AF35-569F6E4B85DF Key to the species of the genus Diduga in Vietnam based on the male genitalia 1 Valva symmetric............................................................................. D. alternota - Valva asymmetric..................................................................................... 2 2 Apex of valva with spines.............................................................................. 3 - Apex of valva without spines............................................................................ 4 3 Uncus stout; apex of valva with a row of 3˗4 strong chaetae are shorter than width of apex valva; basal pro- cesses of valva absent......................................................... D. cucphuonga - Uncus slender; apex of valva with strongest 2˗3 apical chaetae are longer than width of apex valva; two asymmetric, stout basal processes of valva present............................................. D. nigridentata n. sp. 4 Right valva branched to five diverse sized and formed branches, which are more or less straight on right valva................................................................. D. quinquicornuta n. sp. - Right valva not branched to five diverse sized and formed branches, which at least one is curved on right valva................................................................................. 5 5 Sclerotized basal part of valva not curved, with broadly waved apical............................ D. hanoiensis n. sp. - Sclerotized basal part of valva strong curved, with cockcomb˗shaped apical..................... D. bayartogtokhi n. sp.