Economic Impact of the Introduction and Establishment of Drosophila suzukii on Sweet Cherry Production in Switzerland.

First detected in Switzerland in 2011, the invasive , spotted wing drosophila, has caused recurring costs for growers of berries and fruit. Recommended management approaches rely on a set of methods, tailored to suit crop requirements under the prevailing local conditions. Control of represents a substantial economic burden for growers, in terms of material, equipment, new infrastructure and extra labour.