Genus Diduga Moore [1887]

Diduga Moore, [1887], Lepid. Ceylon 3 (4): 535. TS: Diduga costata Moore, [1887]. TL: Sri Lanka (Dickoya).

Androstigma Hampson, 1893, Ill. typical Spec. Lep. Het. Colln Br. Mus. 9: 13, 82. TS: Diduga albicosta Hampson, 1891 . TL: India (Nilgiri plateau).

Distribution. Vietnam (Dubatolov & Bucsek 2016), China, Taiwan (Fang 2000), Japan (Kishida 2011), India (Kirti & Singh 2015), Thailand (Černý & Pinratana 2009), Cambodia (Bayarsaikhan et al. 2018), peninsular Malaysia (Bucsek 2012; 2014), Myanmar (S. Burma), The Philippines, Sri Lanka, Borneo, Indonesia (Sulawesi, Sumatra, Sumbawa, Bali, Java), New Guinea (Holloway 2001).

Remarks. Species of this genus have very similar appearance, and strict distinction is possible only by examination of the genitalia structure.