As strawberries are starting ripen with other berries close behind, it’s also time to prepare for a potentially unpleasant situation. Spotted wing drosophila (SWD, Drosophila suzukii) infesations may develop undetected in fruit until harvest. This is one of the things that make them such a managment challenge. So, what should growers or homeowmers who find infestation do?
I put together this list of steps last year, and it’s worth reiterating this year. Both adult and fruit monitoring is important to determine SWD presence, but growers in areas with active SWD should consider preventatively treating. Our current monitoring rools do not necessarily catch flies before they begin to attack fruit.
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