Figure 4.

The proportion of sites visited in field surveillance, in different regions of Canada, at which I. scapularis ticks were found*

*The regions were Manitoba south of Winnipeg and northwestern Ontario (S MB & NW ON), Manitoba north of Winnipeg (N MB), Golden Horseshoe and Bruce Peninsula regions of Ontario (ON GH & B), eastern Ontario (E ON), southern Quebec (S QC), and New Brunswick and Nova Scotia (NB & NS). The error bars show exact binomial 95% confidence intervals for the proportion.