Figure 1.

Study area and sampling site in Southern Québec, Canada, between 45.00–46.25°N and 72.00–74.50°W. The study extent is covered by 41.3% woodlands, 39.9% agriculture fields and 9.8% urban areas. Symbols for field sites: black circles = Borrelia burgdorferi absent, red triangle = B. burgdorferi present. The distribution limits of Ixodes scapularis (orange dotted line), Peromyscus leucopus (blue dotted line) and B. burgdorferi (red dotted line) were drawn using the ArcGIS toolbox with a buffer of 5 km around the study site where each was detected.