Danielithosia immaculata (Butler, 1880)

(Fig. 1)

Katha immaculata Butler, 1880, Proc. Zool. Soc. Lond., 1880: 671. TL: Taiwan. = Tigrioides kobayashii Inoue, 1961, Check List Lep. Jap., 6: 681. TL: Japan.

Diagnosis. Forewing 9-10 mm in male, 9 mm in female. D. immaculata is similar to D. fuscipennis Dubatolov, Kishida & Wang, 2012, but the former can be distinguished by the following aspects: in the male genitalia, the left sacculus in D. immaculata is narrower than that of D. fuscipennis, but the vesica has 7 thorn˗like cornuti and nearly 20 teeth˗like ones, whereas there are two cone˗shaped cornuti in the latter species.

Distribution. Northern Vietnam (new record), Taiwan, Japan.

Material examined. 2 ♂, Vietnam, Prov. Vinh Phuc, Tam Dao (930 m), 14 Aug 2005, (Y.S. Bae, et al.), Gen. Slide No. INU- 16V, 53V.

Remark. This species is firstly recorded in South-East Asia.