Table S3.
Location of the sampled populations by country and number of flies genotyped
| Pop_ID | No. of females | No. of males | Total | Country | Sampling date | Longitude | Latitude |
| BF1 | 20 | 10 | 30 | Burkina Faso | 8 Nov 2007 | −5.061353 | 11.562707 |
| BF2 | 15 | 11 | 26 | Burkina Faso | 29 Nov 2007 | −4.939750 | 11.258115 |
| BF3 | 20 | 9 | 29 | Burkina Faso | 30 Nov 2007 | −4.812173 | 11.324746 |
| BF4 | 23 | 9 | 32 | Burkina Faso | 6 Feb 2008 | −4.688612 | 11.599493 |
| BF5 | 12 | 12 | 24 | Burkina Faso | 26 Feb 2008 | −4.596094 | 10.887276 |
| BF6 | 24 | 11 | 35 | Burkina Faso | 6 Feb 2008 | −4.465762 | 11.461623 |
| BF7 | 18 | 15 | 33 | Burkina Faso | 26 Feb 2008 | −4.438828 | 11.050114 |
| BF8 | 13 | 15 | 28 | Burkina Faso | 10 Mar 2008 | −4.374795 | 10.879780 |
| Gui1 | 29 | 2 | 31 | Guinea | 18 Nov 2009 | −11.624075 | 12.208069 |
| Gui10 | 15 | 10 | 25 | Guinea | 3 Nov 2009 | −8.925797 | 11.637147 |
| Gui2 | 22 | 10 | 32 | Guinea | 22 Jan 2010 | −11.566953 | 11.767291 |
| Gui3 | 20 | 10 | 30 | Guinea | 18 Nov 2009 | −11.261399 | 11.270016 |
| Gui4 | 15 | 12 | 27 | Guinea | 14 Nov 2009 | −11.143780 | 11.348597 |
| Gui5 | 14 | 16 | 30 | Guinea | 22 Nov 2009 | −11.012102 | 11.013456 |
| Gui6 | 20 | 11 | 31 | Guinea | 8 Nov 2009 | −10.761998 | 11.707109 |
| Gui7 | 16 | 12 | 28 | Guinea | 26 Jan 2010 | −10.569430 | 11.253968 |
| Gui8 | 18 | 8 | 26 | Guinea | 6 Oct 2009 | −9.579518 | 11.658706 |
| Gui9 | 13 | 10 | 23 | Guinea | 2 Oct 2009 | −9.559771 | 11.397448 |
| Mal1 | 17 | 10 | 27 | Mali | 11 Dec 2009 | −8.577643 | 12.659554 |
| Mal10 | 14 | 16 | 30 | Mali | 23 Jan 2008 | −6.329910 | 11.540868 |
| Mal2 | 6 | 21 | 27 | Mali | 2 Apr 2008 | −7.811025 | 12.645139 |
| Mal3 | 17 | 18 | 35 | Mali | 23 Dec 2007 | −7.663157 | 10.795514 |
| Mal4 | 10 | 15 | 25 | Mali | 16 Jan 2008 | −7.478913 | 11.341230 |
| Mal5 | 18 | 11 | 29 | Mali | 2 Jan 2008 | −7.461189 | 10.452678 |
| Mal6 | 21 | 16 | 37 | Mali | 12 Jan 2008 | −7.376305 | 11.047032 |
| Mal7 | 16 | 11 | 27 | Mali | 19 Jan 2008 | −6.690355 | 11.575008 |
| Mal8 | 37 | 20 | 57 | Mali | 22 Jan 2008 | −6.560441 | 11.418378 |
| Mal9 | 25 | 4 | 29 | Mali | 10 Apr 2008 | −6.560002 | 12.609733 |
| Sen1 | 23 | 6 | 29 | Senegal | 1 Jul 2007 | −17.434590 | 14.724629 |
| Sen2 | 22 | 8 | 30 | Senegal | 29 Jun 2007 | −17.192012 | 14.769598 |
| Sen3 | 21 | 11 | 32 | Senegal | 30 Jun 2007 | −17.146071 | 14.761834 |
| Sen4 | 13 | 14 | 27 | Senegal | 11 Jul 2007 | −17.052051 | 14.762174 |
| Sen5 | 23 | 12 | 35 | Senegal | 3 Jul 2007 | −16.500584 | 13.671934 |
| Sen6 | 41 | 25 | 66 | Senegal | 4 Feb 2008 | −13.362725 | 13.354278 |
| Sen7 | 13 | 19 | 32 | Senegal | 11 Feb 2008 | −12.385669 | 12.927355 |
| Sen8 | 33 | 3 | 36 | Senegal | 10 Feb 2008 | −12.125473 | 12.610899 |
| Sen9 | 10 | 18 | 28 | Senegal | 26 Dec 2009 | −11.552936 | 12.767380 |
| Total | 707 | 451 | 1,158 |
Coordinates are given in decimal degrees (WGS 84 projection).