What is "concubina"

Concubina is a genus of moth in the Gelechiidae family. It contains only one species, Concubina euryzeucta, which is found in China ( Shanghai, Beijing, Tianjin, Hebei, Shanxi, Shandong, Gansu, Qinghai, Shaanxi, Hunan, Jiangxi) and the Russian Far East.

The wingspan is about 15 mm. The forewings are ochreous-white with a broad oblique blackish fascia from the base of the costa to one-third of the dorsum. There is a trapezoidal blackish blotch extending on the costa from before the middle to three-fourths and reaching half across the wing and there is some slight greyish suffusion at the apex. The hindwings are grey, suffused white towards base.