North Yarmouth, Maine removed about 80 ash trees from Baston Park after an emerald ash borer infestation was detected. The wood will be processed by the Cumberland Wood Bank for local heating under state-advised precautions.

Unusual flower mortality on vegetable crops may suggests a potential decline in pollinator populations, as indicated by fewer insect collisions with car windshields.

A mosquito species, Culiseta annulata, has been confirmed in Iceland after specimens of both sexes were captured in Kjósarhreppur on October 16–18, 2025. The find suggests mosquitoes may now be present in the country, long considered free of them.

Chikungunya is found mostly in tropical and subtropical regions, according to the state health department. Its symptoms include fever and joint pain, headache, muscle pain, joint swelling and rashes. It’s the first case in the U.S. in six years.

Washington wildlife officials report outbreaks of epizootic hemorrhagic disease (EHD) and bluetongue in Eastern Washington deer, linked to hot, dry conditions that favor biting midges. Hunters and residents are urged to report sick or dead deer.

West Nile virus was detected in mosquito samples north of Moses Lake, Grant County, Washington—the first county detection since 2023. Mosquito control increased larvicide and adulticide treatments; officials advise prevention steps and note no recent human cases in the county.

Users at the Sanaluttarfik workshop in Sisimiut found an unexpected visitor after a cruise-ship group left: a bat. The bat spent a night in the workshop and was later thrown away after staff discovered lice in its fur.

Lake Mývatn experienced its largest midge swarm in decades, with calm, warm conditions triggering an unusually early emergence that blanketed the lake’s surface.

This summer brought unusually few mosquitoes to Norrbotten, allowing many to hike in the mountains without being bitten due to a dry spring and cool early summer.

Alaska officials confirmed the state’s first detection of the small hive beetle at an apiary in the Copper River region, likely linked to imported bees from Mississippi. Experts warn the pest can damage bee colonies and honey, urging coordinated action by beekeepers to contain and eradicate it.

Prolonged drought in July dried up small ponds that mosquito larvae depend on, leading to an almost mosquito-free summer in Flisa and other parts of Norway.

A dead moose calf in Karasjok was found with moose botfly larvae in its throat, marking a potentially first reported occurrence of this parasite in inner Finnmark, Norway, raising concerns about its impact on local wildlife.