People wash berries to remove dirt, dust, plant debris, and other material that may have accumulated during harvesting, transportation, or storage. But when someone adds salt to the water and notices tiny organisms appearing, the experience can become a completely different story. A few minutes earlier, the berries looked perfectly normal. Then something begins wriggling in the water. It’s understandable to feel shocked. Raspberries are delicate, brightly colored, and covered with many tiny spaces between their individual drupelets. Unlike smooth-skinned fruits such as apples, their structure provides plenty of places where small insects or larvae may be difficult to notice. That’s one reason berries can occasionally contain insect life without the consumer realizing it. Are They Actually “Worms”? Technically, the tiny white creatures people see in these situations are often more accurately described as insect larvae rather than worms. That distinction matters. An insect larva is an immature stage of an insect. Depending on the species, it may eventually develop into a fly, moth, beetle, or another adult insect. Some fruit-infesting insects lay eggs in or on ripening fruit. Once the eggs hatch, the larvae feed on the fruit and develop there. To the average person, however, a tiny pale larva moving through water can look exactly like a miniature worm. That’s where the dramatic descriptions come from. But there is no need to imagine that the raspberry has somehow produced a worm. The organism generally came from an insect life cycle that was already associated with the fruit. One Possible Culprit: Spotted Wing Drosophila One insect that has attracted particular attention in connection with soft fruits is the spotted wing drosophila (Drosophila suzukii). Unlike many common fruit flies, this species can lay eggs in intact, ripening soft fruit. The female uses a specialized structure to penetrate the fruit and deposit eggs. After hatching, the larvae feed inside the fruit. Raspberries, blackberries, blueberries, strawberries, cherries, and other soft fruits can be vulnerable under suitable conditions. That means a berry can look perfectly normal from the outside while containing a very small larva inside. However, it is important not to assume that every white larva found in a raspberry is automatically spotted wing drosophila. Different insects can infest fruit, and identifying a species reliably usually requires more information than a short video or photograph. Why Are Raspberries Especially Vulnerable? Raspberries have a structure that’s quite different from many other fruits. Instead of having one smooth outer surface, a raspberry is made up of numerous tiny drupelets clustered together.
soaked my raspberry in salt water and saw these white wiggling things come out. Should I just throw them away?
