1. Ird; LPED (UMR AMU/IRD); Marseille France
2. Ird; CBGP (UMR INRA/IRD/Cirad/Montpellier SupAgro); Montferrier sur Lez cedex France
3. Ird; CBGP (UMR INRA/IRD/CIRAD/Montpellier SupAgro); Campus de Bel-Air BP1386 CP18524 Dakar Senegal
4. Inra; CBGP (UMR INRA/IRD/Cirad/Montpellier SupAgro); Montferrier sur Lez cedex France
5. Department of Animal Biology; Cheick Anta Diop University; Dakar Senegal
6. Department of Botany and Zoology; Faculty of Science; Masaryk University; Brno Czech Republic