Crane Fly Larvae and Turf Damage Crane fly larvae, commonly referred to as grubs, live in the upper layers of soil, where they damage grassroots and organic material. Their presence is most noticeable in moderate seasons, and their activity can lead to spongy ground and weakened turf condition. Sports fields https://school-grounds-maintenanc31853.full-design.com/h1-controlling-crane-fly-larvae-for-reliable-turf-surfaces-h1-81198217