Checklist of grass-mining moths of Ukraine with description of one new species (Lepidoptera: Elachistidae)

An annotated list of 71 species of Elachistidae of Ukraine is given. One species Elachista laurii Bidzilya & Budashkin, sp. n. is described as new from the Eastern Ukraine (Luhansk region) and Volga area of Russia (Ulyanovsk, Saratov and Volgograd regions). Elachista purella Sruoga, 2000 is recorded from Europe for the first time and the hitherto unknown female of this species is illustrated. Eight species: Elachista grandella Traugott-Olsen, 1992, Elachista parvula Parenti, 1978, Elachista nitidulella (Herrich-Schaffer, 1855), Elachista spumella Caradja, 1920, Elachista heringi (Rebel, 1899), Elachista nolckeni Sulcs, 1992, Elachista littoricola Le Marchand, 1938 = Elachista volgella Lastukhin, 2009, syn. n., and Biselachista contaminatella (Zeller, 1847) = Biselachista arzamastsevi Lastukhin, 2009, syn. n., are recorded from the Ukraine for the first time. Four species: Elachista regificella Sircom, 1849, Elachista anitella Traugott-Olsen, 1985, Elachista elegans Frey, 1859 and Biselachista albidella (Nylander, 1848), are removed from the Ukrainian fauna due to previous misidentification. One species Perittia sibirica Sinev, 1992 is removed from the European fauna. Type material is deposited in the collections of ZMKU (Kiev, Ukraine), FMNH (Helsinki, Finland), K. Nupponen (Espoo, Finland), V. Zolotuhin (Ulyanovsk, Russia).