Crane Fly Larvae and Turf Damage Crane fly larvae, commonly referred to as leatherjackets, dwell in the upper layers of soil, where they feed on grassroots and plant material. Their presence is most prominent in spring and autumn, and their activity can lead to fragile ground and poor turf condition. https://schoolgroundsmaintenance64186.boyblogguide.com/37547169/h1-managing-crane-fly-larvae-for-well-maintained-turf-surfaces-h1