In article ,
says...

On 08/02/2016 23:03, Mathew Newton wrote:
On Monday, 8 February 2016 21:51:35 UTC, alan_m wrote:

The question is how do you breed the leatherjacket nematodes?

I'll be taking the easy option and just buying them (e.g. Nemasys).

Wait until it is warmer a lot of the eco controls are very touchy about
the temeprature when they are applied and if there are no active hosts
available then they die out very quickly.

I suppose they'll start breeding themselves once they start doing their thing. ;-)

It might be easier to hang up a peanut bird feeder to invite more birds
into the garden that will eat up insects in the lawn. Green woodpeckers
are perfect for this though most birds will eat whatever they can find.

I've found that a fast and harmless way to clear infestations of
greenfly or blackfly. The peanuts lure in the bluetits.

Janet.