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Kostova, R. and Bekchiev, R. 2025. New insights into the taxonomy of Trechus Clairville, 1806 (Coleoptera: Carabidae) in the Balkans, with the first description of the male of Trechus bohemorum Pawlowski, 1973. Zootaxa. 5661, 4 (Jul. 2025), 538–552. DOI:https://doi.org/10.11646/zootaxa.5661.4.4.