Fig. 1. The location of the municipalities where collection took place in the Southeast Region of Brazil (Sa˜o Paulo state) and an indication of
the number of infested (I) or uninfested (U) vineyards (source: IBGE Instituto Brasileiro de Geografia e Estatı´stica, 2011 modified). The letters
a, b, c, d and e indicate the distance (km) between the municipalities sampled (a: 37.5; b: 33.0; c: 110.0; d: 117.0; e: 143.0).