Acosmeryx sinjaevi Brechlin & Kitching, 1996, in Kitching & Brechlin, 1996, Nachr. Ent. Ver. Apollo (N.F.) 17: 62. Type locality: Northern Vietnam (Tonkin), Thanh Hoa, Ben En National Park, 40km southwest of Thanh Hoa, 18°40'N 105°40'E, 200m.
Very similar to Acosmeryx formosana (Matsumura).
China: 20.ii-10.iv (Hainan); 6.v (Guangdong); iv-vi (Fujian); vi (Hainan); vii (Hunan).
Larval hostplants. Unknown.
China: Hunan (Jiucai Ling, 1300m); Fujian (Shawuang Shan, near Shaowu, 1524m; Chiyantou Shan, near Longyan); Guangdong (NanLing National Forest Park); Hainan (Wuzhi Shan, 1500m; Duowen Ling, nr Lingao).
From northern Vietnam and southern China westwards across to northern India (Arunachal Pradesh).