What Are Crane Fly Larvae? Crane fly larvae, or leatherjackets, reside in the soil and consume grassroots and decomposing plant matter. They are most active in mild weather, often resulting in thinning turf and increased surface vulnerability. On heavily used grass areas, this can interrupt play and increase upkeep requirements. https://tenniscourtturfingcompani80122.blazingblog.com/38782234/h1-proactive-methods-for-managing-crane-fly-larvae-and-improving-turf-health-h1