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Invasive, disease-carrying tick found in Maine, the farthest northeast it has been spotted
The invasive Asian longhorned tick, capable of reproducing without mating and spreading livestock diseases, was detected for the first time in Maine, prompting ongoing surveillance efforts.
On Monday, the University of Maine and state conservation officials confirmed the Asian longhorned tick was found in Maine in July, marking the farthest northeast U.S. detection of this invasive species.
First identified in the U.S. in 2017, the Asian longhorned tick native to east Asia has spread to more than 20 states, with public health officials saying pets and livestock may have carried it.
The lab said the specimen was a juvenile collected in southern Maine, and follow-up surveillance found no additional specimens while state and federal partners monitor closely.
Public health officials warn that the tick species found in Maine can reproduce without mating, posing control challenges, and recommend rigorous tick checks and protective clothing.
Griffin Dill of the UMaine Extension Tick Lab said the discovery highlights ongoing tick surveillance importance, with researchers and state and federal partners working to assess pathogen spread risks.