Ambulyx interplacida Brechlin, 2006, Nachr. entomol. Ver. Apollo, N.F. 27(3): 103. Type locality: China, Jiangxi, Wuyi Shan, Xipaihe village, 1500m (27°54'N, 117°20'E).
Synonym. Ambulyx amara Kobayashi, Wang & Yano, 2006.
Synonym. Ambulyx pseudoregia Eitschberger & Bergmann, 2006.
Synonym. Ambulyx regia Eitschberger, 2006.
Note. The female allotype of Ambulyx regia has been found to be a female of Ambulyx sericeipennis sericeipennis Butler, 1875 (Brechlin, 2014c).
Wingspan: 112-120mm. Similar to Ambulyx semiplacida Inoue, 1990, but forewing uppersides without the violet tinge of that species. The wing undersides are noticably more reddish than in Ambulyx semiplacida. There are also distinct differences in the male genitalia between these two species.
China: 15.iv-1.v (Hunan); 10.v (Sichuan); vi (Jiangxi; Guangdong); vii (Jiangxi).
Larval hostplants. Unknown.
China: Sichuan (Ya'an); Hunan (Nanling Shan, 1300-1500m); Jiangxi (Wuyi Shan, 1500-1800m; Le'an); Guangdong (Nanling National Forest Park, 1100m).
So far, only known from southern China (Sichuan, Jiangxi, Hunan and Guangdong).