Diduga annulata Hampson, 1900

(Figs. 8, 16, 19)

Diduga annulata Hampson, 1900, Cat. Lep. Phalaenae Br. Mus. 2: 539, fig. 394. TL: Sumbawa.

Diduga annulata: Holloway, 2001, Moths of Borneo 7: 448, pl. 8, fig. 445.

Diduga annulata: Černy & Pinratana, 2009, Moths of Thailand 6: 11, pl. 1: 14.

Diduga annulata: Bucsek, 2012, Erebidae, Arctiinae ( Lithosiinae, Arctiini) of Malay Peninsula˗ Malaysia: 26, pl. 4: 54, 54a.

Diagnosis. Wingspan 6˗7 mm in male and female. D. annulata is similar to D. alternota, both of them with dark fascia in brown forewing, but it can be distinguished by the following characters: forewing pale brown ground color, with a dark discoidal ring; hindwing pale brown, without a large dark patch of androconia near tornus.

Material examined. Cambodia: 2 ♂, Seima, Mondulkiri Prov. (N12˚14′54″, E107˚03′15″), 11˗12.XI.2011 (YS Bae, YK Kim, YD Ju, BS Park, HJ Lee), Gen. Slide No. INU˗1754C, 1755C ; 1 ♀, Samkos, Koh Kong Prov. (N12˚12′41″, E102˚54′37″), 17.II.2012 (YS Bae, YD Ju, BS Park, HJ Lee), Gen. Slide No. INU˗1745C ; 5 ♂, Samkos, Koh Kong Prov. (N12˚12′47.8″, E102˚54′23.8″, Alt: 854 m), 22˗24.XII.2014 (YS Bae, YD Ju, MJ Qi, U Bayarsaikhan, BS Park, SM Na, JW Kim, DJ Lee), Gen. Slide No. INU˗1412C, 1420C, 1422C, 1752C, 1753C ; 1 ♂, Samkos, Koh Kong Prov. (N12˚12′12.6″, E102˚52′10.8″, Alt: 647 m), 7. II.2015 (YS Bae, YD Ju, BS Park, SM Na, JW Kim, DJ Lee), Gen. Slide No. INU˗1744C .

Distribution. Cambodia (Koh Kong, Mondulkiri provinces), Thailand, peninsular Malaysia, Borneo, Sumbawa.

Remarks. This species was reported from Cambodia by Bae et al. (2016).