A fundamental prerequisite for understanding and protecting biodiversity is the construction of a high-quality faunal database. The primary objective of this study was to address knowledge gaps in the biodiversity of the family Psychodidae in Estonia. Faunistic data on 45 species of moth flies (Diptera: Psychodidae) from Estonia are presented, including 30 new country-records. Sixteen species are considered important for nature conservation. An updated checklist of the family, comprising 71 species, is provided for the Baltic countries. Habitus photographs of selected Estonian species are also included.

Department of Ecology Faculty of Humanities and Natural Sciences University of Prešov 17 novembra 1 SK 081 16 Prešov Slovakia University of Prešov Prešov Slovakia

Department of Entomology National Museum Cirkusová 1740 CZ 193 00 Praha 9 Horní Počernice Czech Republic National Museum Praha Czech Republic

Ilmar Süda FIE Rõõmu tee 12 5 50705 Tartu Estonia Ilmar Süda FIE Tartu Estonia

Institute of Agricultural and Environmental Sciences Estonian University of Life Sciences Kreutzwaldi st 5 D 51006 Tartu Estonia Estonian University of Life Sciences Tartu Estonia

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