Correction to: Heredity (2016) 116, 84–91; doi:10.1038/hdy.2015.73 published online 16 September 2015

Following the publication of this article, the authors have noticed that Figure 1 is not the correct final version. The published version is missing two white circles: one in Montgomery County, TX, USA and the other one in upstate New York, NY, USA.

Figure 1
figure 1

The correct figure is provided below.

Also in Table 1, the Source record for Montgomery County, TX, USA should read ‘K. Elmore (pers. comm.)’ instead of ‘this study’.

The authors apologize for any inconvenience caused.