DOI: https://doi.org/10.2478/v10058-011-0023-4
Trouessartia phylloscopi sp. n. from Willow Warbler Phylloscopus trochilus Linnaeus, 1758 (Passeriformes) (type locality: Zmeinij Island, Ukraine) is described. The new species is morphologically similar to T. microcaudata Mironov, 1983 from Barn Swallow Hirundo rustica Linnaeus, 1758.