Leatherjackets

Symptoms

Yellowish-brown patches appear in lawns from midsummer.

Cause

Daddy-long-legs lay their eggs in lawns in late summer. The leatherjacket, a fat, greyish-brown, legless grub hatches out in the autumn and feed off the grass roots.

Harm

This is one of the worst lawn pests and can destroy large areas of grass. Unfortunately, daddy-long-legs return to the same place again and again to lay their eggs.

Treatment

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