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.