These pale green or black, stubby little maggots tunnel through leaves and cannot be seen with the naked eye, but the visible spaghetti-like patterns on the topsides of leaves are easy to identify. Eggs are laid in clusters on the undersides of leaves by tiny black flies. As many as three to four generations of flies can hatch per year. Hatching maggots burrow into the leaves to feed and then drop to the ground and pupate.
Leafminers tunnel through many ornamental and vegetable crops.
Large leaves and well established crops are usually not seriously Damaged by leafminers, but the visible tunnels can look unsightly on ornamental plants. Seedlings and plants with smaller leaves can suffer Damage or be destroyed by their tunneling.
About The Author: Ellen Brown is an environmental writer and photographer and the owner of Sustainable Media, an environmental media company that specializes in helping businesses and organizations promote eco-friendly products and services. Contact her on the web at http://www.sustainable-media.com
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