COMMISIONS: Cary Institute for National Public Radio: 161104_caryinstitute_reiss-05

A female blacklegged tick found across the road from the Cary Institute of Ecosystem Studies in Millbrook, New York on November 4, 2016. Photo by Stephen Reiss for NPR.

A female blacklegged tick found across the road from the Cary Institute of Ecosystem Studies in Millbrook, New York on November 4, 2016. Photo by Stephen Reiss for NPR.