Table 1.
Sample data
| # | Locality | Country | Sampling date | Ref |
| 1 | Abomey | Benin | june 06 | [5] |
| 2 | Bohicon | Benin | may 06 | [5] |
| 3 | Houegbo | Benin | apr 06 | This study |
| 4 | Niaouli | Benin | apr 06 | This study |
| 5 | Paouignan | Benin | june 06 | [5] |
| 6 | Zogbodomey | Benin | may 06 | [5] |
| 7 | Cana | Benin | may 06 | This study |
| 8 | Bembereke | Benin | oct-07 | This study |
| 9 | Parakou | Benin | oct-06 | This study |
| 10 | Bassila | Benin | oct-07 | This study |
| 11 | Tanguieta | Benin | oct-07 | This study |
| 12 | Natitingou | Benin | oct-07 | This study |
| 13 | Djougou | Benin | oct-07 | This study |
| 14 | Dassa | Benin | oct-07 | This study |
| 15 | Savalou | Benin | oct-07 | This study |
| 16 | Darsalamy | Burkina Faso | aug 06 | [7] |
| 17 | Dioulassoba | Burkina Faso | apr 06 | [5,7] |
| 18 | Kuinima | Burkina Faso | apr 06 | [7] |
| 19 | Mombamba | Burkina Faso | aug 06 | This study |
| 20 | Sabou | Burkina Faso | aug 06 | This study |
| 21 | Samandeni | Burkina Faso | aug 06 | [7] |
| 22 | Séguéré | Burkina Faso | aug 06 | [5,7] |
| 23 | Soumousso | Burkina Faso | aug 06 | This study |
| 24 | Vallée du Kou | Burkina Faso | apr 05 | [7] |
| 25 | Yegueresso | Burkina Faso | aug 06 | [7] |
| 26 | Boromo | Burkina Faso | aug 06 | [5] |
| 27 | Toumodi | Ivory Coast | sept-04 | [5] |
| 28 | Niamoue | Ivory Coast | sept-04 | [5] |
| 29 | Toumbokro | Ivory Coast | sept-04 | [5] |
| 30 | Yaokoffikro | Ivory Coast | sept-04 | [5] |
| 31 | Lomé | Togo | march 05 | This study |
For each population shown in Fig. 1 (the corresponding number is indicated in column #), the country, sampling date and study of reference are given.