8. Bactra festa Diakonoff, 1959

Bactra festa Diakonoff, 1959b: 179 . Type locality: Japan.

Specimens examined. [ CHINA] Sichuan Prov.: 3♂, 1♀, Wanglang Reserve (32.89– 32.97°N, 104.10– 104.16°E), Pingwu County, 2377–2569 m, 22–23.VII.2017, leg. Mujie Qi and Xiaofei Yang.

Host plants. Juncaceae: Juncus sp.; Cyperaceae: Cyperus rotundus (Kawabe 1982; Robinson et al. 2023).

Distribution. China (Guangxi, Guizhou, Heilongjiang, Hubei, Jiangxi, Shaanxi, Sichuan, Zhejiang), Korea, Japan.