Leafminers

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What Are Leafminers?

Leafminers are any one of numerous species of insects in which the larval stage lives, and eats, the leaf tissue of plants. The vast majority of leaf-mining insects are moths (Lepidoptera), sawflies (Symphyta, the mother clade of wasps), and flies (Diptera).

Use these insecticides to get rid of leaf miners.

 

Leaf miners are members of the Diptera group like flies and mosquitoes. The adult fly will create small sucking spots in the leaf. When you see such symptoms, you should be prepared as the larvae will soon follow. These larvae ‘mine’ the leaf and create corridors in the leaf and have the potential to create a lot of damage to the crop.

Control can be achieved by combining parasitic wasps and chemical controls. Good application techniques ensure that the plant protection product ends up in the right place and sufficient active substances can be absorbed. Sometimes a recording enhancer can help with this.

To prevent a crop from developing resistance it is important that you alternate between the different active ingredients. It is important to pay attention to the mode of action the product has. The attached diagram shows the product and the IRAC code associated with it. Rotation of products is a key strategy but it’s important those products have different IRAC codes, as this can reduce further resistance development.

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