Scolia dubia is also known as the "Blue-winged Wasp." It is easily identified by the two yellow spots on its abdomen. Shown above feeding on the nectar of an African basil plant, these wasps are common during summer months. They hunt for beetle grubs in your soil to paralyze with a sting, lay an egg on, and re-bury in the ground, ensuring that the offspring will be well-fed. Blue-winged wasps often prey on grubs of pests such as green June beetles and Japanese beetles. The wasps are not aggressive although the female can sting in self defense. In addition to pollinating plants in our gardens, they also keep in check the grubs growing in our lawns.
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