Opacoptera Gozmány (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species

The genus Opacoptera Gozmány, 1978 is reviewed. Four species are described as new: O.condensatasp. nov., O.hybocentrasp. nov., O.introflexasp. nov. and O.longissimasp. nov.Opacopterakerastiodes Park, 2021 is newly recorded for China. Images of adults are provided, along with a key to the males of all the known species.