1. Green Lacewings are available as a biological control. Spinosad 0.5% Target pests : Kills Leafminers, Borers, Leaf Rollers, Thrips, Worms (Caterpillars), Colorado Potato Beetle and other listed insects on Vegetables, Fruit and Citrus. Keeps out white cabbage … Leaf miners are regarded as pests by many farmers and gardeners as they can cause damage to agricultural crops and garden plants, and can be difficult to control with insecticide sprays as they are protected inside the plant's leaves. Kills Leafminers, Borers, Leaf Rollers, Thrips, Worms (Caterpillars), Colorado Potato Beetle and other listed insects on Vegetables, Fruit and Citrus. Different miner, same sort of result, though the leaves don't curl. They lay eggs on the undersides of certain species of plant (each species of insect has a preferred species of plant), the eggs hatch, the hatchling burrows into the leaf and then mines the inside of the leaf for food, leaving behind poop (the little black specs you then see inside the leaf… See section titled Insects & Related Pests. Spinosad is a bacterial product produced by fermentation and can be used to control insects in the landscape and garden Used to control insects Use to control the following insects: caterpillars, leaf-miners, codling moths, tent caterpillars, gypsy moths, thrips, borers and many more Personally I cover young seedlings, as the miner is most active Feb-March here on the brassicas. The minute white eggs are laid just under the leaf epidermis and hatch in 4 to 6 days. Treat eggs, at hatch, and small larvae. Spinosad, a bacterium derivative, used mainly for control of caterpillars, thrips, and fruit flies, controls Liriomyza leafminers as well. Spinosad takes several days to achieve full effect. This fact sheet from Clemson includes using spinosad for control when the leafminers are present in the leaves. Do not exceed 0.45 lb ai/a per crop. I cut the afflicted leaves and bagged them. Pest: Arborvitae Leafminer (Argyresthia thuiella (Packard)) Family: Argyresthiidae Host Plants: Arborvitae (Thuja) Description: The adult moths are small (wingspan 5-6mm), silvery tan in appearance, and are active starting approximately mid … Once ingested, spinosad stops larvae from feeding and they will … Spinosad is a macrolide derived from the aerobic fermentation of the actinomycete Saccharopolyspora spinosa, a bacterial organism isolated from soil. During the larval phase, they can reach a length of one-third of an inch. Leaf miner is sensitive to cyromazyne, abamectin and spinosad and the role of oils in improving the efficiency of these insecticides is regarded [21, 22] . 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