The presence of natural enemies is generally higher in the part of the orchard lining the hedgerow than in its centre and aphid abundance is correlatively the lowest in orchard edges where beneficial numbers are the highest. A gradient of density from the hedgerow towards the orchard is described for lacewings. Earwigs issuing from the hedgerow are collected within the orchard in Southern France. Debras (2007) and Debras et al. (2008) also assessed that the distri- bution of natural enemies within the orchard is affected by the hedgerow: natural enemies actively move from the hedgerow to the orchard in relation to prey availability, even though cultural practices (among which the use of pesticides) alter this functional pattern in most orchards.However,a significant effect of the hedgerow on the orchard beneficial complex is not always displayed.