Marumba saishiuana Okamoto, 1924, Bull. agric. Exp. Stn Gov.-Gen. Chosen 1: 96. Type locality: [South Korea,] Quelpart Island [Cheju-do].
Wingspan: 75--78mm.
China: vi (Yunnan; Fujian); vi-vii (Zhejiang); viii (Fujian). Japan: 3.vi-2.vii (Tsushima).
Park et al. (1999) give May until July as the flight period in Korea.
OVUM: Unknown.
LARVA: Unknown.
PUPA: Unknown.
Larval hostplants. Unknown.
Unknown.
China: Zhejiang (Tianmu Shan, 1500-1600m); Yunnan (Laojun Shan, 2579m; nr. Yingjiang, Tongbinguan, 1180m); Fujian (Guangze, 1200m; Wuyi Shan).
South Korea: South Cholla Prov. (Baekyang Temple; Wolchul-san; Jin-do); South Kyongsang Prov. (Geoje-do); Cheju Prov. (Cheju-do; Halla-san; Seoguipo; Sungpanak).
Japan: Tsushima (Sasuna; Mt. Konoki; Mt. Oboshi; Kashitaki).
Confined to southeastern China, southern South Korea, Japan (Tsushima Island only), northern Thailand and northern Vietnam. On Taiwan it is replaced by subsp. formosana Matsumura.
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