Oreta angularis is a moth in the Drepanidae family. It was described by Watson in 1967. It is found in China (Fujian, Zhejiang, Jiangxi, Guangdong, Hainan). The length of the forewings is 20.5–21 mm for males and about 24.5 mm for females. The wings are pale yellowish brown, lightly speckled with grey. The discocellular vein of the forewings is mostly white, with a separate white spot at the posterior angle of the cell. The anal angle has a faint grey patch. The hindwings have a well marked white discocellular spot and a faint white spot at the posterior angle of the cell.