Probable SWD larvae have been found in ripe/overripe blueberry fruit by Stephanie Mehlenbacher, Steuben County Cornell Cooperative Extension. Although it is not possible to definitively identify SWD from its larval stage, the size and characteristics strongly point to SWD. Infested blueberry fruit will have tiny pinholes from which liquid will leak out of the berry; the pinholes are left from where the egg was laid inside the fruit. Traps for SWD are being monitored at this blueberry planting and have not yet caught SWD - this illustrates how traps compete poorly with fruit once fruit ripens.
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