Fittest loser
Article posted: 7/10/2013 5:00 AM

Scale, an insect, can stress out magnolia trees

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A magnolia in full bloom at the Chicago Botanic Garden. Magnolia trees can be weakened by scale, an insect that exudes a clear honeydew, which allows a fungus to grow on the bark.

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This is the time of year to check magnolia trees closely for scale, an insect that can cause the tree to thin out. The flat scale insects typically are found on the undersides of branches and appear as spots about the size of a pencil eraser.
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