Table 2: Galls of Dryocosmus kuriphilus, collected from cultivated and wild chestnuts in the two study sites (site A = 478 m a.s.l.; site B = 665 m a.s.l.) at Marradi (Italy), sorted by volume categories (small = 0.02–0.064 cm3; medium = 0.065–1.31 cm3; large = 1.32–15.48 cm3). Nonsignificant values are indicated by n.s.

YearGall volume categoriesd.f.
Small MediumLarge
Gall numberParasitized galls (%)Gall numberParasitized galls (%)Gall numberParasitized galls (%)

Site A
Cultivated chestnut
2011 2365.223745.956056.6722.276n.s.
2012 466.52508.00547.4120.078n.s.
2013 633.17565.36313.2320.415n.s.
Wild chestnut
2011 3772.974456.823969.2322.610n.s.
2012 557.275916.95368.3323.007n.s.
2013 7212.50527.692611.5420.791n.s.
Site B
Cultivated chestnut
20112989.663754.055464.81210.9520.01
2012407.50565.36547.4120.254n.s.
2013466.52571.75478.5122.856n.s.
Wild chestnut
20112661.543754.055771.9323.221n.s.
2012771.30395.13345.8822.179n.s.
20137010.00513.92293.4522.392n.s.

number of galls collected per each category.