NOTE: Shipped every Thursday for orders received by 4pm Tuesday.

Between August and October.

Leatherjackets are a larvae which feed on grass roots, slowing the growth of the grass and causing yellow patches to appear in a lawn. Use Nemasys Leatherjacket Killer nematodes to deal quickly and effectively with a leatherjacket infestation, without any of the precautions associated with chemical use, such as excluding children and pets from treated areas until dry or the question of what to do about grazing pets, such as rabbits and guinea pigs.

IMPORTANT: Once delivered, leatherjacket killer nematodes cannot be returned because they are a living product. Ensure that leatherjacket killer nematodes are the correct product for you before purchase. DO NOT order more leatherjacket killer nematodes than you will use at any one time (they only keep for about 3 to 4 weeks). You may order outside the recommended months at your own risk.

Leatherjacket Facts

• Leatherjackets are the larval stage of the crane fly or daddy-long-legs.
• In August gardeners may see clouds of daddy-long-legs emerging from lawns in the early morning and this, as well as grass damage, is a sure sign of leatherjacket infestation.
• Starlings peck at the grass in an attempt to eat the leatherjacket grubs.

Leatherjacket Killer Nematode Facts

• One application of Leatherjacket Killer Nematodes in late August should be sufficient to deal with a leatherjacket infestation.
• Leatherjacket Killer Nematodes (Steinernema feltiae), seek out the leatherjackets and attack the pest by entering natural body openings.Once inside, they release bacteria that stops the leatherjackets from feeding, quickly killing the pest
• The nematodes reproduce inside the dead pest and release a new generation of hungry infective nematodes, which disperse and search for further prey.
• Leatherjacket Killer Nematodes kill leatherjackets and nothing else.
• Leatherjackets are killed within two to three weeks

Leatherjacket Killer Nematodes Application Notes

• Leatherjacket Killer Nematodes must be used by the date specified on the packet (normally about one month).
• Immediately store Leatherjacket Killer Nematodes in the refrigerator prior to use.
• Avoid application of Leatherjacket Killer Nematodes during bright sunlight. Ideally apply nematodes during evenings or dull conditions.
• DO NOT apply Leatherjacket Killer Nematodes when the soil temperature is below 5C.
• Cut grass before applying Leatherjacket Killer Nematodes and ensure ground is moist
• Be sure to water treated areas immediately after applying Leatherjacket Killer Nematodes.