Comparison of alpha and beta diversity in infested and non-infested olive drupes collected in Monopoli, Mileto, Filadelfia, or Maierato, according to Shannon and observed species (sobs) indexes.

Significance was determined according to the nonparametric test ANOSIM for beta diversity and student t-test for Shannon and observed species (sobs). P-values were determined using 999 Monte Carlo permutations.