What action should you take, if: you have an issue with spotted wing Drosophila flies in your farm field, and Your monitoring efforts show that the flies have surpassed the economic threshold, but your blueberry plants have yet to flower, much less produce berries. [Lecture 6] Group of answer choices Do nothing. The economic damage to your crop has already been done, and there is nothing you can do to salvage the crop. Do nothing. The flies won't live long enough to oviposit into ripe fruit. spray the flies, before their abundance reaches the economic injury level