When wasps are in and around lawn grasses, it is usually due to one of three reasons: They are preying on insects or larvae in the lawn soil. Digger wasps, for instance, often fly low over lawns in the mornings, looking for grubs and larvae. They are considered beneficial insects and generally can be left alone.
Do wasps build nests in the grass?
The adult wasps emerge from their cocoons in early summer, mate, and the females locate a suitable nest site. She collects blades of grass and grass and hay stems to line the nest cavity.9 Mar 2017
Do wasps have nests in the ground?
They construct their nests in the ground, in trees, under eves and inside wall voids and attics. Nest construction starts in late spring and continues throughout the summer.11 Aug 2017