{"id":402280,"date":"2026-04-16T21:39:11","date_gmt":"2026-04-16T21:39:11","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/402280\/"},"modified":"2026-04-16T21:39:11","modified_gmt":"2026-04-16T21:39:11","slug":"iceland-just-got-its-first-mosquitoes-scientists-arent-ready-for-what-comes-next","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/402280\/","title":{"rendered":"Iceland Just Got its First Mosquitoes. Scientists Aren’t Ready for What Comes Next"},"content":{"rendered":"

Until recently, Iceland was considered the last Arctic nation without mosquitoes. That changed in October 2025, when insect enthusiast Bj\u00f6rn Hjaltason discovered one male and two female specimens of Culiseta annulata<\/a> in his garden in Ki\u00f0afell, Kj\u00f3s.<\/p>\n

The arrival of this pest in Iceland is a warning, Arctic researchers Amanda Koltz and Lauren Culler argue<\/a> in a newly published editorial. It reflects a major ecological shift driven by a warming climate<\/a> and the expansion of human activity across the region, causing insect species to move \u201cin new ways and at new scales.\u201d<\/p>\n

As these changes reshape Arctic ecology<\/a>, they will also have global impacts. \u201cWhat happens in the Arctic doesn\u2019t stay in the Arctic,\u201d Culler, a research associate professor and senior fellow at Dartmouth College\u2019s Institute of Arctic Studies, told Gizmodo. \u201cSome of the ways that ecosystems are changing in the Arctic have feedbacks to the climate system that influence what\u2019s happening in the lower latitudes.\u201d<\/p>\n

Studying these changes is therefore critical to understanding both the regional and global consequences of a warming Arctic. The problem is, researchers lack a robust monitoring system for tracking those changes.<\/p>\n

Little bugs driving big changes <\/p>\n

Arthropods (which include mosquitoes and all other insects) make up the most biodiverse animal group in the Arctic, accounting<\/a> for roughly 90% of all known species near the poles. These tiny invertebrates have a huge influence over the broader ecosystem.<\/p>\n

\u201cThey pollinate plants, recycle nutrients, regulate populations through parasitism, and sustain foods webs that connect plants, wildlife, and people across the region,\u201d Culler and Koltz explain in their editorial.<\/p>\n

But as the Arctic warms<\/a> four times faster than the rest of the planet, arthropod populations, distributions, and patterns of activity are rapidly changing, too. These shifts can trigger cascading changes that ripple across entire ecosystems. According to Koltz and Culler, researchers are already seeing the consequences unfold, from mismatches between Arctic-breeding shorebird hatching and food availability to increased parasitism of caribou and reindeer. Outbreaks of herbivorous insects can even wipe out large swaths of tundra vegetation, altering the landscape in ways that accelerate permafrost thaw.<\/p>\n

As for the emergence of Culiseta annulata in Iceland, it\u2019s too soon to tell what the consequences will be. Scientists are still working to understand how this species got there. It\u2019s possible that human movement between Iceland and the species\u2019 primary range\u2014which spans Europe, Central Asia, and North Africa\u2014allowed a few individuals to hitchhike to the Arctic nation, Culler explained.<\/p>\n

Bridging gaps in Arctic insect monitoring <\/p>\n

Confirming that hypothesis\u2014and perhaps more importantly, determining whether Culiseta annulata has actually established itself in Iceland\u2014will require a more robust long-term monitoring system, according to Koltz and Culler.<\/p>\n

\u201cWe don\u2019t really know how widespread this is, and we don\u2019t really have enough information to understand if these [mosquitoes] are actually able to survive and reproduce in this new location, which would potentially lead to the persistence of this\u00a0species in Iceland,\u201d Culler said.<\/p>\n

Current long-term arthropod monitoring efforts are highly limited and scattered across the Arctic. That\u2019s largely because this massive region comprises multiple nations and spans extreme, inaccessible environments, Koltz, an assistant professor in the Department of Integrative Biology at the University of Texas at Austin, told Gizmodo.<\/p>\n

\u201cAcross most parts of the Arctic, including Alaska, it\u2019s very challenging to detect species moving around. It\u2019s something that we need to do a better job of,\u201d she said.<\/p>\n

Through the Network for Arthropods in the Tundra<\/a>, Culler, Koltz, and colleagues are already working to identify which key species or groups researchers should start with. They are also designing standardized monitoring protocols that researchers can implement across different parts of the Arctic. But building an internationally coordinated arthropod monitoring system will also require buy-in from the Arctic nations.<\/p>\n

\u201cArctic researchers are a collaborative group and there\u2019s a lot of motivation from the scientific community to improve monitoring,\u201d Koltz said. \u201cBiological changes don\u2019t respect national boundaries, and effective science can\u2019t be confined by them either. Enhancing biodiversity monitoring is a win-win. It\u2019s an issue of shared interest and opportunity for collaboration across the different Arctic nations.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"Until recently, Iceland was considered the last Arctic nation without mosquitoes. That changed in October 2025, when insect…\n","protected":false},"author":2,"featured_media":402281,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[851,2885,2138,61,60,24602,82,87982],"class_list":{"0":"post-402280","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science","8":"tag-biodiversity","9":"tag-climate-change","10":"tag-ecology","11":"tag-ie","12":"tag-ireland","13":"tag-mosquitoes","14":"tag-science","15":"tag-the-arctic"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/402280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=402280"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/402280\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/402281"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=402280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=402280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=402280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}