Neoploca

Neoploca is a genus of moths belonging to the subfamily Thyatirinae. It contains only one species, Neoploca arctipennis, which is found in Japan, Korea, the Russian Far East and China (Jilin, Inner Mongolia, Shaanxi, Jiangsu).

The wingspan is 35-38 mm. The forewings are silvery grey, the base, a central irregular black edged band, a transverse discal stripe and the outer border are rather paler and greyer than the rest of the wing. There is a black dot at the interior angle of the cell, a disco-submarginal series, a series of marginal black lunules and a short oblique black apical line. The hindwings are shining sordid white, with a broad, pale brown external border.

The larvae feed on Quercus mongolica.