Spotted wing drosophila
Spotted wing drosophila (SWD) is a vinegar (fruit) fly that was first reported in Britain in 2012. Unlike most other vinegar flies it can damage otherwise unblemished soft and stone fruit including strawberries, raspberries, blackberries, currants, blueberries, grapes, cherries and plums.
Latin name Drosophila suzukii
Plants affected A wide range of soft, stone and ornamental fruit
Main symptoms Collapsing fruit or fruit with small puncture holes
Caused by Larvae of a small fly the Spotted wing drosophila
Timing Damage seen in summer and autumn
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