Understanding Leatherjackets and Their Effects Crane fly larvae, or larval pests, reside in the soil and consume grassroots and decomposing plant matter. Activity peaks in the transitional seasons, often resulting in thinning turf and increased surface vulnerability. On heavily used grass areas, this can delay play and increase upkeep requirements. https://schoolgroundsmaintenance97418.tribunablog.com/h1-proactive-methods-for-managing-crane-fly-larvae-and-preserving-turf-health-h1-53109095