Table 1: Dryocosmus kuriphilus galls 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) during the three-year period. Nonsignificant values are indicated by n.s.
(a)

YearTotal galls collectedParasitized galls (%)
TotalSite ASite B
TotalCultivatedWild TotalCultivatedWild

201148063.1330.2113.7516.4632.9216.8816.04
20126007.174.671.832.832.501.670.83
20136006.673.671.002.673.001.331.67

(b) -test results

YearSiteManagement
Site ASite B
d.f.d.f.d.f.

201111.514n.s.12.952n.s.10.296n.s.
201214.296n.s.11.428n.s.11.787n.s.
201310.429n.s.15.076n.s.10.237n.s.

versus wild chestnuts.