Materiały do poznania rozmieszczenia chrząszczy (Coleoptera) Zachodniej Polski. Część 21. Tenebrionidae: Diaperinae i Lagrinae / Contributions to the knowledge of beetles distribution (Coleoptera) in Western Poland. Part 21. Tenebrionidae: Diaperinae and Lagriinae

New chorological data concerning 9 species from the subfamily Diaperinae and 2 species from the subfamily Lagrinae have been presented. Cynaeus angustus (LEC.) has been recorded from a new locality in the Wielkopolsko-Kujawska Lowland, which indicates its expansion in Western Poland