Figure 1

Geographic distribution of C. musculinus populations from different phytogeographic regions (Pampa, Espinal, Chaco Serrano). Circles represent the relative frequencies of haplotypes 1, 2 and a pool of the other haplotypes present at each locality. 1: Donovan, 2: Molinari, 3: Laguna Larga, 4: Melo, 5: Maciel, 6: Oliveros, 7: Uranga, 8: Alcorta, 9: J. B. Molina, 10: San Nicolás, 11: Pergamino, 12: San Pedro, 13: Rojas, 14: Zárate, 15: Parque Luro, 16: Agronomy Faculty fields. The grey-shaded area in the Pampa indicates the endemic zone of AHF.