In a significant development, Iceland has documented mosquitoes for the first time in its history this October 2025. This discovery marks a significant shift in the country’s ecosystem, as Iceland was previously one of only two places on Earth – alongside Antarctica – where mosquitoes couldn’t survive.
The initial sighting
Local resident Björn Hjaltason first spotted what he described as a “strange fly” in his garden in Kjós on October 16, 2025. After posting his discovery on Facebook, experts quickly mobilised to investigate this unprecedented finding.
Using innovative trapping methods involving red wine ropes, researchers captured three specimens – two females and one male – confirming their presence on Icelandic soil.
Expert confirmation and species identification
Matthías Alfreðsson, an insect specialist at the Icelandic Institute of Natural History, identified the mosquitoes as Culiseta annulata, a species commonly found in Northern Europe. While this particular species doesn’t carry diseases, its arrival signals potential concerns for future invasive species.
Climate change implications
Scientists attribute this historical first appearance of mosquitoes in Iceland to rapidly warming temperatures in the region. The country’s changing climate has created conditions that can now support mosquito populations, where previously they couldn’t survive.
While mosquitoes have occasionally been found on incoming boats and planes before, this marks the first time they’ve been discovered established in Iceland’s natural environment.
Future concerns
The presence of Culiseta annulata opens discussions about potential future challenges. As temperatures continue to rise, experts warn that more mosquito species – including those carrying diseases – might find Iceland’s evolving climate hospitable.
Conclusion
The confirmation that Iceland has mosquitoes for the first time represents more than just an ecological curiosity. It serves as a tangible indicator of climate change’s impact on Arctic ecosystems and raises important questions about future biodiversity changes in the region.
