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Spotted Wing Drosophila (Drosophila suzukii)

 SWD

This is an Asian species of vinegar fly which significantly reduces quality and yield by laying eggs directly into healthy ripening fruit still growing on the plant.

D. suzukii was introduced into North America in 2008 and has since spread rapidly to Canada, Mexico, Russia and to a number of European countries  (including Austria, Belgium, France, Germany, Italy, Spain and Switzerland).  The first reported finding was in 2012 in Kent however it is now being found across the UK including Scotland.

A UK wide public consultation concluded that a collaborative approach between government and the industry should be adopted to limit the spread of D. suzukii.  A working group, led by Horticulture Development Company (HDC), was established to share knowledge and to limit the spread of the pest.