Ixodes ricinus - current known distribution: April 2026

The map shows the current known distribution of Ixodes ricinus in Europe at ‘regional’ administrative unit level, as of April 2026. Since the previous update (October 2023), there are 16 new administrative units where this species is currently known to be present (eight of which in Montenegro), and 11 units where the species was newly reported (marked as introduced, seven of which in Portugal).

Suggested citation: European Centre for Disease Prevention and Control and European Food Safety Authority. Tick maps [internet]. Stockholm: ECDC; 2026. Available from: https://ecdc.europa.eu/en/disease-vectors/surveillance-and-disease-data/tick-maps