Leather Jackets feed on grass roots from September through to the following summer. They are the legless, greyish brown larvae of the cranefly (daddy long legs). They pupate in the summer and adults typically emerge in August, sometimes in huge numbers, ready to lay their eggs again. The larvae weaken the lawn which can be pulled up by birds feeding on the larvae. These microscopic transparent worms feed and multiply inside the larvae casuing death. Simply dilute the nematodes with water before use. Use treatments between September and October for effective control or when pest is present. A second treatment may be applied the following spring, typically between April and May (at double strength). Apply to moist compost/soil when the soil temperature is above 12oC using a watering can or nematode applicator. Treats up to 10M2
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