CONNECTICUT, USA — Four tick species that likely traveled across continents while attached to humans have been identified in Connecticut .

The nonnative species, described as rare and exotic, are not an immediate public health threat due to their "extremely limited numbers found on international travelers," the Connecticut Agricultural Experiment Station said. Despite this, CAES advises travelers, especially those who have spent a significant amount of time outdoors, to check for ticks before returning home.

CAES identified the following exotic tick species on travelers that returned to Connecticut between 2019 to 2023: "two Amblyomma mixtum nymphs from Guatemala and Costa Rica , one Amblyomma coelebs nymph from Belize , one Rhipicephalus pulchellus female from Tanzania , two I

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