Understanding Leatherjackets and Their Effects Crane fly larvae, or leatherjackets, reside in the soil and feed on grassroots and decomposing plant matter. Activity peaks in spring and autumn, often resulting in thinning turf and increased surface vulnerability. On grounds in use, this can interfere with play and increase upkeep requirements. https://tennis-court-maintenance19630.mdkblog.com/44810326/h1-sustainable-methods-for-managing-crane-fly-larvae-and-improving-turf-health-h1