Nemasys leatherjacket killer (100sqm pack)

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To make sure the nematodes are adequately watered in, treat the same area again for a further 8 minutes if treating a vegetable patch or 16 You can buy them online. We recommend the range from the Organic Gardening Catalogue. Instructions on use Because larvae feed on plant roots, beneath the soil surface, severe damage can be done before realizing there is a problem. Look for signs of an adult insect, such as leaf-notching. These beneficial organisms penetrate the larvae and release bacteria that cause disease, effectively eliminating the pests. In spring, when the ground temperatures rise, they will reappear and start consuming the grass roots and some top growth.

Lacewing larvae, Chrysoperla carnea. Larvae of this native insect are sometimes sold for mealybug control (more information under Aphid biological controls).They arrive in a sachet suspended in a paste. It is best to use them straight away, however, you can store them in the fridge for up to a few weeks (do not freeze). Follow safety precautions: Prioritize safety when handling and applying insecticides. Wear protective clothing, including gloves, goggles, and a mask if required. Avoid exposure to the insecticide, and keep children and pets away from treated areas until the product has dried or as directed by the manufacturer. While chemical options can be effective, it’s important to exercise caution and use them judiciously.

Chafer grubs. If your lawn has yellow patches and looks like it has been dug up, chances are you have chafer grubs. The damage comes from the birds, foxes and badgers who dig for these tasty morsels. The grubs can be controlled by the nematode Heterorhabitis bacteriophora, one of the oldest known and best of the insect parasitic nematodes. It is best to deal with the young grubs in August and early September. Parasitoid wasps Metaphycus helvolus, Encyrtusspecies and Encarsia citrinaare sometimes available. These parasitoids lay eggs inscale nymphs, which become darkened and are killed. At 27ºC (80ºF) the life cycle from egg to adult wasp takes about 12 days but is slower at lower temperatures. These parasitoids should be introduced in May to July for the best results. Egg Stage: It all begins when adult crane flies, commonly known as daddy longlegs, lay their eggs in the soil during the late summer or early autumn months. These small, cylindrical eggs are often clustered together and hidden within the grass or vegetation.

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Furthermore, the loss of healthy roots compromises your lawn’s resilience, making it more susceptible to other pests and environmental pressures. Prevention and Control Measures