Abstract. BACKGROUND:The fly Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is an endemic pest, native to Southern Asia which has recently invaded western countries. Since its detection in 2008 in California and Spain, it is now established in North America and in many European countries. OBJECTIVE: This paper aims to evaluate the pest's economic impact on the soft fruit industry in the Province of Trento, a region in the North East of Italy, which is one of the most productive soft fruit areas in Europe. METHODS: The evaluation takes into account both the growers' potential revenue losses and the costs of pest control and uses a partial budgeting approach. Two scenarios are evaluated: the one before and the one after the implementation of an integrated control strategy for D. suzukii. RESULTS: Before the adoption of an integrated pest control strategy, the estimated revenue losses amounted to about 13% of the industry's output. After the implementation of an integrated strategy this loss decreased to about 7% of the industry's output. CONCLUSIONS: The adopted strategy seems effective in mitigating the pest's economic impact. The knowledge about D. suzukii's impact and its management would benefit from further analysis encompassing a larger geographical scope and longer time series.

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Is the increasing interest in landscape at a European level translated to a local level? How is it perceived and mobilized by local actors? Are there lessons to be learned from empirical case studies? To increase our understanding of these issues, an analysis was carried out by using the theoretical framework of the sociology of translation on 8 landscapebased initiatives in an Italian Alpine valley. The initiatives aimed, either explicitly or implicitly, at enhancing the mountainous landscapes in a move toward more sustainable development. The sociology of translation conceives the implementation of an innovation as an attempt to build a working network between human and nonhuman entities such as landscape. Our analysis shows how dynamically different actors can interact with landscape in a rural mountain context.In quite similar places (ie sharing the same problems, rural history, and goals), the same resources were used in different ways by the different initiatives. The outcomes depend on the ability of the promoters of the initiatives to build networks with different actors, in some cases far beyond the valley or province's borders, around new concepts of landscape. Moreover, an adequate organizational framework that fosters bottom-up approaches can support successful implementation of local landscape projects. Active, two-way communication is also crucial to move from a ''local'' to a ''participative'' project and thus mobilize allies for sustainable landscape planning and management. Overall, the research provides insights into how such landscape initiatives can be better implemented and effectively contribute toward the European Landscape Convention.

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