1. Centers for Disease Control and Prevention, Division of Vector-Borne Diseases, Fort Collins, Colorado.
2. Severtsov Institute of Ecology and Evolution, Moscow, Russia.
3. INRA, UMR1062, CBGP, F-34988 Montferrier-sur-Lez, France.
4. Institut des Sciences de l'Evolution, CNRS, Université Montpellier, France.