Nemasys leatherjacket killer (100sqm pack)

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Let’s explore some chemical measures that can aid in controlling these persistent pests and restoring the health of your turf. Nematodes

To attract these helpful creatures, provide diverse plantings that offer nectar and pollen sources, such as flowering plants and herbs. 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. 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 16Some of the predatory mites, bugs and beetles are generalist predators and so should be used with care

Control: Nematodes Steinernema feltiae (spring application)and S. carpocapsae (summer application). For the organic grower, this is a biological - not chemical - pest control. Unlike a chemical spray, which may drift off target, nematodes are specific to the host pest, so that other wildlife is not affected. Mix the paste with a small amount of water to make a slurry, before adding the rest of the water. Stir the solution once again before applying it. Control:A mixture of nematode species, sold as Fruit and Vegetable Protection, is available, may give some control of other insects.

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Remember, insecticides should be used as a last resort when other methods have proven insufficient. Restoring The Lawn While chemical options can be effective, it’s important to exercise caution and use them judiciously. As these voracious larvae feed on the grassroots, your turf’s ability to absorb water and nutrients diminishes, leaving it vulnerable to stress and disease. Several species and combinations of species can be available including, Steinernema kraussei, S. feltiae, Heterorhabditis megidis and H. bacteriophora. Steinernema species can remain active at soil temperatures down to 5ºC (41ºF) whilst Heterorhabditis require temperatures above 12ºC (54ºF).