DELBAC, Lionel; ROUZÈS, Raphaël; RUSCH, Adrien; THIERY, Denis

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DELBAC, Lionel
Santé et agroécologie du vignoble [UMR SAVE]

ROUZÈS, Raphaël
Entomo-Remedium

RUSCH, Adrien
Santé et agroécologie du vignoble [UMR SAVE]

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IOBC WPRS Bulletin, IOBC WPRS Bulletin, Working Group "Integrated Protection and Production in Viticulture", 2015-10-20, Vienne. 2017, vol. 128

IOBC - International Organisation for Biological and Integrated Control of Noxious Animals and Plants

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The invasive fruit fly Drosophila suzukii (Diptera: Drosophilidae) was recorded for the first time in 2011 in the Bordeaux vineyard through a trap network located in the Sauternes subregion (south of Bordeaux). This species is now regularly present in our food traps surveys. In 2013, we observed complete reproductive cycles of this species on grapes in vineyards located on the left bank of the Garonne river both in the Sauternes (South) and the Médoc (North) subregions (ca. 70 km from the 2011 first observation). In 2014, almost all the Bordeaux vineyard was affected by D. suzukii and this was concomitant with unusual widespread development of sour rot. This was particularly the case for black cultivars (Merlot and Cabernet-Sauvignon). This invasive drosophila is now considered as part of the regular drosophila community on grapes. Ongoing studies examine the variability of behavioral traits of D. suzukii on different cultivars, the damages induced by this species, and the evolution in space and time of fruit flies communities on grapes.< Réduire

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Geographical area extension of Drosophila suzukii (Diptera: Drosophilidae) in Bordeaux vineyards

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