On the taxonomy of the genera Planovalvata Dubatolov Kishida, Stigmatophora Staudinger and Pseudomiltochrista Dubatolov Bucsek, with description of one new species (Lepidoptera, Erebidae, Arctiinae, Lithosiini).

The type species of the genus Planovalvata Dubatolov Kishida, 2012, previously incorrectly identified as Eugoa roseivena Hampson, 1894, is described as new: Planovalvata confusa Volynkin, Dubatolov Kishida, sp. nov. Taxonomic placement of the genera Planovalvata and Pseudomiltochrista Dubatolov Bucsek, 2016 is clarified. The combination is revised: Stigmatophora roseivena (Hampson, 1894), comb. rev. Pseudomiltochrista is synonymized with Stigmatophora and downgraded to a subgenus level. One new combination is established: Stigmatophora (Pseudomiltochrista) zolotuhini (Dubatolov Bucsek, 2016), comb. nov. Male and female genitalia of S. roseivena are illustrated and described for the first time.