Diduga albicosta Hampson, 1891 (Figs 2a, 2b, 9, 16) Diduga albicosta Hampson, 1891, Ill. Typical Spec. Lep. Het. Colln. Br. Mus. 8: 5, 53, pl. 140: 17. TL: India (Nilgiris). Androstigma albicosta: Hampson, 1893, Ill. Typical Spec. Lep. Het. Colln. Br. Mus. 9: 82, pl. 158, f. 25. Material examined. 1 ♀, Thailand, Kanchanaburi, Erawan, 19.VIII.1981 (H. Kuroko, S. Moriuti, Y. Arita & Y. Yoshiyasu), Gen. Slide No. OPU˗036(INU˗10273) Thailand (Coll. OPU). 1 ♀, SE Thailand, Chantaburi Prov., 265m, Bar Ta Moon, Soi Dao Dist. (N13˚3′40″, E102˚14′45″), 21.XI.2005 (leg. K. Černý), Gen. Slide No. INU˗10370 Thailand; 1 ♀,SW Thailand, Nakhon Si Tammarat, Khao Luang region, Nopphitamenv., 70m (N8˚44.043′, E99˚41.450′), 6.XII.2007 (leg. K. Černý), Gen. Slide No. INU˗10368 Thailand; 1 ♀, C Thailand, Nakhon Ratcha- sima, 490m (N14˚22.555′, E101˚51.890′), 29.IX.2008 (leg. K. Černý), Gen. Slide No. INU˗10367 Thailand; 1 ♂, C Thailand, Nakhon Ratchasima, 600m (N14˚27.55′, E101˚59.55′), 28.X.2010 (leg. K. Černý), Gen. Slide No. INU˗10369 Thailand (Coll. CKC). Distribution. Thailand (Černý & Pinratana 2009), China (Bayarsaikhan et al. 2020), India (Kirti & Singh 2015), Sri Lanka (Moore [1887]), Cambodia (Bayarsaikhan et al. 2018), Peninsular Malaysia (Bucsek 2012). Remarks. This species was reported from Thailand (Phetchabun, Nakhon Nayok, Chanthaburi, Phang Nga, Trat, Ranong and Surat Thani Provinces) by Černý & Pinratana (2009: 12, pl. 1: 16). In this study, we report for Kanchanaburi, Nakhon Si Tammarat and Nakhon Ratchasima Provinces of Thailand for the first time.

Published as part of Bayarsaikhan, Ulziijargal, Hirai, Norio, Černý, Karel, Kwon, Hyung-Wook & Bae, Yang-Seop, 2020, A new species and four new records of Diduga Moore (Lepidoptera, Erebidae Arctiinae) from Thailand, pp. 393-400 in Zootaxa 4860 (3) on page 395, DOI: 10.11646/zootaxa.4860.3.4, http://zenodo.org/record/4414007