Abstract
As a result of our study of cryptic diversity in the Anerastia lotella complex, a new species, Anerastia oleshkyella sp. nov. is described from Southern Ukraine based on genitalia characters and molecular data. Anerastia dignella P. Leraut, 2014 stat. nov. is raised to species rank and redescribed based on additional material from the Alps (Northern Italy and Northern France) and Eastern Austria. The differences between A. lotella (Hübner, 1813), A. dignella and A. oleshkyella sp. nov. are discussed. Adults and genitalia are illustrated for all three species and compared to each other. Finally, a neotype is designated for Anerastia lotella to formally fix the identity of this species.
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