Mosquitoes have been detected in Iceland for the first time as the region warms due to climate change. The disease-carrying insect was first spotted by insect enthusiast Björn Hjaltason, who posted to Facebook group Insects in Iceland about a “strange fly” he spotted on Oct. 16. The mosquitoes are Culiseta annulata, a cold-tolerant species that live in the Palearctic region, which includes Northern Africa, Europe, and Asia north of the Himalayas, according to the National Ins