Register with us or sign in
in Problem solving
I think they're called leatherbacks? Something like that?
No leather jackets...
I think we're talking about leatherjackets - the larvae of the crane fly also known as daddy long legs. The adults lay their eggs in the lawn and the grubs eat the roots before pupating and turning into more crane flies
You might find that birds have been digging holes in your lawn in order to access this delicacy
You can get rid of them by applying nematodes in the autumn - there are lots of earlier threads on this, here is one with more details http://www.gardenersworld.com/forum/problem-solving/what-is-hapenning-to-my-lawn-in-the-winter/228998.html