citrus disease - Knowledgebase Question

sugar land, Te
Question by rm3406
October 24, 2009
our youn citrus trees, 4ft. have crawling boring bugs, attacking new leaves as soon as they appear. Leaves get white lines and curl upand stop growing. Nothing seems to work on these bugs. Other plants are not affected, only citrus. How do we get rid of them. Last year had some fruit. This year zilch. help please.

Answer from NGA
October 24, 2009


What you describe sounds like leaf miner damage. The adult is a small white moth. She lays an egg by piercing the leaf tissue. The egg hatches into a little caterpillar who feeds on the tissues between the upper and lower leaf surfaces, leaving little tunnels or zig zag patterns in the leaves. These tunnels turn white. When it has finished feeding it exits the leaf and pupates, turning into an adult to start the process all over again. Leaf miners are difficult to control because they are protected inside the leaf. However, Green Light Spinosad is labeled for use on citrus to control citrus leafminer so you might give it a try. Be sure to follow label directions. Good luck with your citrus trees!

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