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Leatherjackets are the soil-dwelling larvae of the crane flies commonly known as daddy longlegs. They are greyish-black, legless and with no distinct head. There are many species of daddy longlegs, but most tend to appear towards the end of August and lay their eggs within days. The Marsh Cranefly can also lay eggs in April/May. Once they hatch, around two weeks later, the legless creatures begin to feed on grass roots and stem bases, devastating lawns and plants. Secondary damage can occur from birds, badgers and foxes that may tear up the lawn to feed on the leatherjackets.
Nemasys® Biological Leatherjacket Killer is a safe and effective way to deal with a leatherjacket infestation, which can only be treated using biological methods in most of Europe.