Diduga Moore [1887]

Bayarsaikhan, Ulziijargal, Heppner, John B., Kwon, Hyung Wook & Bae, Yang-Seop, 2024, Review of the genus Diduga (Lepidoptera, Erebidae, Arctiinae) of Vietnam, with a new species and two newly recorded species, Zootaxa 5501 (4), pp. 553-563 : 554

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).

The genus Diduga is characterized by the ground color of the forewings being pale brown, with dark fascia and stigmata; or dark brown ground color, with white or deep yellow margins along the costa and distally; in forewing veins, only R4 and R5 are stalked for 1/2 length of R4; hindwing of males with androconial tufts; in hindwing veins, Rs and M1 are stalked for 1/2 length of M1, and M2 is lost; in the male genitalia, the structure of valvae is diverse, with several distinct processes, sometimes with bilateral asymmetry; in the female genitalia, ductus and corpus bursae are diverse in length ( Holloway 2001).

Distribution. India ( Kirti & Singh 2015; Singh et al. 2021), Sri Lanka, S. Myanmar ( Holloway 2001), China ( Fang 2000; Bayarsaikhan et al. 2020b; Zhao & Han 2020), Vietnam ( Dubatolov & Bucsek 2016; Bayarsaikhan & Bae 2019), Laos ( Bucsek 2020, Bayarsaikhan et al. 2023a, 2023b), Thailand ( Černý & Pinratana 2009; Bayarsaikhan et al. 2020a), Cambodia ( Bayarsaikhan et al. 2018), Peninsular Malaysia ( Bucsek 2012; 2014), The Philippines, Indonesia (Sumatra, Java, Bali, Sumbawa, Borneo, Sulawesi), and New Guinea ( Holloway 2001; Zhao & Han 2020; Bayarsaikhan et al. 2023a), Japan ( Kishida 2011; Bae et al. 2019).