Figure 1. Sampling sites of Uthina spiders.

Each species is indicated by a different color, which is consistent with the colored branches on the phylogenetic tree in Fig. 2. The insert is a magnified section of the map. Detailed location information is provided in Table S1. Distribution map was generated with ArcView 3.2 (ESRI Inc., Redlands, CA, USA, http://www.esri.com/software/arcgis/arcview).