Miltochrista undulosa (Walker, 1854)

(Figs. 17, 40, 49)

Cyllene undulosa Walker, 1854, List of the Specimens of Lepidopterous Insects in the Collection of the British Museum, 2: 545. TL: N. W. Himalaya.

Miltochrista undulosa Walker: Volynkin, Huang & Ivanova, 2019, Ecologica Montenegrina, 26: 85.

Distribution. Laos, India, Myanmar, China, Thailand, Cambodia, Vietnam, Malay Peninsula (Bae et al. 2016; Bucsek 2020; Singh et al. 2021).

Material examined. 2♀, Laos, Bolikhamsai Prov., PKK National Park (N18˚27'9.78", E103˚03'42.62" Alt: 445m), 6.VIII.2016 (YS Bae, BS Park, SM Na, DJ Lee, JH Ko); ♀, Laos, Bolikhamsai Prov., PKK National Park (N18˚27'11.9", E103˚03'40.5" Alt: 429m), 17.II.2017 (YS Bae, BS Park, SM Na, DJ Lee, JH Ko), adult and genitalia slide no. INU-12921L; ♀, Laos, Bolikhamsai Prov., PKK National Park (N18˚27'11.9", E103˚03'40.5" Alt: 429m), 27. VI.2017 (YS Bae, SM Na, DJ Lee, JH Ko, TG Le), adult and genitalia slide no. INU-12924L; ♂, Laos, Xiengkhouang Prov., Ban Tha (N19˚44'55.46", E103˚35'5.46" Alt: 1158m), 24.VII.2018 (YS Bae, DJ Lee, JH Ko, TG Lee, CM Jang, U Bayarsaikhan); ♂, 2♀, Laos, Champasak Prov., Tad Yeuang Waterfall (N15˚10'50.9", E106˚08'21.9" Alt: 965m), 24.II.2019 (YS Bae, DJ Lee, JH Ko, TG Lee, CM Jang); 2♂, 3♀, Laos, Champasak Prov., Tad Yeuang Waterfall (N15˚10'50.9", E106˚08'21.9" Alt: 965m), 25.II.2019 (YS Bae, DJ Lee, JH Ko, TG Lee, CM Jang), adult and genitalia slide no. INU-12947L(female); 2♂, ♀, Laos, Champasak Prov., Tad Yeuang Waterfall (N15˚10'50.9", E106˚08'21.9" Alt: 965m), 25.II.2019 (YS Bae, DJ Lee, JH Ko, TG Lee, CM Jang), adults and genitalia slides no. INU-12963L(male), 12964L(female); ♀, Laos, Champasak Prov., E-Tu Waterfall (N15˚11'06.32", E106˚06'10.76" Alt: 896m), 28.VII.2019 (YS Bae, MJ Qi, DJ Lee, JH Ko, TG Lee, YB Cha, CM Jang); ♀, Laos, Champasak Prov., Tad Yeuang Waterfall (N15˚10'50.9", E106˚08'21.9" Alt: 965m), 29.VII.2019 (YS Bae, MJ Qi, DJ Lee, JH Ko, TG Lee, YB Cha, CM Jang).

Remarks. This species was previously reported from Laos (Khammouane Province) by Bucsek (2020). Here, we report it from the Bolikhamsai, Champasak, and XiengKhouang provinces for the first time.