Fig. 1. The study area in and around the cities of Ottawa, Ontario and Gatineau, Quebec, Canada. Inset depicts the location of the study area in eastern Canada. Beetle survey sites are 0.25-km² areas indicated by symbols representing six housing categories: Forested (circles, 0 dwellings/km²), Exurban (crosses, < 56 dwellings/km²), Suburban (stars, 140-712 dwellings/km²), Urban (asterisks, > 1,244 dwellings/km²); and two categories of forested sites adjacent to developments of Suburban or Urban densities: Suburban Neighbor (squares) and Urban Neighbor (diamonds). Dark gray lines indicate roads. Forest cover is in green, large waterbodies are in blue, and urban land cover is in pink.

Fig. 1