No. Iceland can no longer accurately be described as a country where mosquitoes have never been found outdoors. Its Natural Science Institute confirmed mosquitoes collected in October 2025, overturning the familiar mosquito-free claim.
The institute identified three Culiseta annulata specimens collected at Kiðafell in Kjós between October 16 and 18, 2025: two females and one male. Iceland Review separately reported the discovery and the identification by the institute's entomologist. Subsequent monitoring also addressed a Culex population in a stable in Ölfus.
Finding mosquitoes does not establish that they are widespread or permanently established across Iceland. An August 28, 2026 institute update reported no mosquitoes in the latest sampling at the Ölfus stable after control efforts, but said longer monitoring was needed to assess lasting success. Local non-detection does not restore the blanket claim that Iceland has no mosquitoes.
Mosquitoes have been confirmed in Iceland; their distribution and long-term establishment are separate questions.
Natural Science Institute of Iceland
The institute confirmed that two females and one male collected outdoors in Kjós between October 16 and 18, 2025 were Culiseta annulata mosquitoes.
Based on: Náttúrufræðistofnun
Iceland Review
Iceland Review reported the discovery and the institute entomologist's confirmation, distinguishing the outdoor specimens from earlier occasional mosquitoes found aboard arriving aircraft.
Based on: Iceland Review
Natural Science Institute of Iceland
An August 2026 update reported no mosquitoes in the latest sampling at an Ölfus stable after efforts to suppress a Culex population. The institute said monitoring must continue before lasting success can be assessed.
Based on: Náttúrufræðistofnun
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