Fig 1. Ticks were collected from a variety of land cover classifications (A), and spatial clustering analysis indicated Amblyomma maculatum adults had two clusters (B), Dermacentor variabilis adults had three clusters (C), and Ixodes scapularis nymphs had one cluster (D).

Land cover classification is generated from the Landsat 8 OLI image downloaded at http://earthobservatory.nasa.gov