Use Nemasys Leatherjacket Killer to deal with a leatherjacket infestation, without any of the precautions associated with chemical use. Apply the nematodes when the young leatherjackets are active in the soil, which is typically mid-April through to mid-May (at double strength) or early September through to the end of October (regular dose).
When you start to see the adult daddy-long-legs in your garden (towards the end of August) you will know that in a few days they will be laying eggs. These will hatch quickly; therefore aim to apply two weeks after you see the adults.
Apply the nematodes to moist lawns when the soil temperature is above 10ºC (50ºF) and water them in well. Immediately after application, water the grass well so the nematodes are washed into the soil to reach the roots where the leatherjackets will be. Make sure the lawn does not dry out after applying nematodes. Keep the lawn well watered for at least two weeks.
The nematodes (Steinernema feltiae), seek out the leatherjackets and attack the pest by entering natural body openings. Once inside, they release bacteria that stops the pest from feeding, quickly killing the pest. The nematodes then reproduce inside the dead pest and release a new generation of hungry infective nematodes, which disperse and search for further prey
There are two pack sizes of Nemasys Leatherjacket Killer, to treat 100m2 and 500m2.
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