The new locality of Ixodes apronophorus Schulze, 1924 in Biebrza National Park, Poland is recorded. The study was conducted in open wet-meadow habitat (Caricetum appropinquatae), in April 2007. The small mammals were caught in live-traps placed at permanent trap stations. The ectoparasites were collected from the fur using combing out method. The adult female, nymphs and larva of Ixodes apronophorus were found, feeding on the common shrew Sorex araneus.