What Are Crane Fly Larvae? Crane fly larvae, or immature crane flies, dwell in the soil and consume grassroots and decomposing plant matter. They are most active in mild weather, often resulting in loose turf and increased surface vulnerability. On sports fields, this can delay play and increase upkeep requirements. https://trentondwkyl.blogsidea.com/45426489/h1-proactive-methods-for-controlling-crane-fly-larvae-and-preserving-turf-health-h1