Aedes invasive mosquitoes - current known distribution: April 2026

The map shows the current known distribution of Aedes invasive mosquitoes (Ae. aegypti, Ae. albopictus, Ae. atropalpus, Ae. japonicus and Ae. koreicus) in Europe at ‘regional’ administrative unit? level, as of April 2026. Since the previous update (June 2025), there are 41 new administrative units where one or more of these species are known to be established, and one new administrative unit with an introduction.

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