Northward spread of Ixodes scapularis evident over short timescale in Ontario, Canada

This data includes the results from tick dragging at 36 sites across southern, eastern and central Ontario visited once during May to October 2014 or 2015 and then revisited in 2016. The purpose of this fieldwork was to examine the spatial spread of the blacklegged tick, Ixodes scapularis, over a short timescale.