Leather Jacket Insect Killer. This is the autumn treatment i use and recommend for clearing crane fly larvae from lawns. Biological insect control (also known as nematodes) treatment helps with leather jacket insect control.
These being provado lawn grub killer (a systemic insecticide) that contains imidacloprid and nemasys natural leatherjacket killer (a natural product that contains nematodes). Safe for you and your children, pets and wildlife apply when grubs are present, soil is moist and temps above 10c. They will also feed on cereal crops and burrow into potato tubers.
Use nemasys leatherjacket killer to deal with a leatherjacket infestation, without any of the precautions associated with harmful chemicals.
Killer leather jacket pest control products in home & garden on bizrate.co.uk: Leatherjackets are the larval stage of the crane fly. Nemasys leatherjacket killer should be applied when the soil temperature is above 12oc (54of) and the leatherjackets are at the correct stage in their life cycle. These are tipula oleracea and tipula paludosa.