Something attacking my crepe myrtles

hindesite(Zone 7)May 14, 2010

I have uploaded pictures here:

These small white spots are on two of my healthiest crepe myrtles. When I mess with them, nothing seems alive, and under the white it is some redish substance. What ever it is (scales?), I suspect it is sucking the sap. I have already applied a natural oil type killer. It warned about the plants being well hydrated and about the temperature at application, and stuff about reacting with sulphur - all that is good.

You will also notice some lighter colored areas about the size of 1/2 dollars on the trunks - related? The other crepe has that too.

Danny Hindes,


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rhizo_1 (North AL) zone 7

The white things appear to be one of the cottony scale insects, of which there are several species. Most of us are familiar with the cottony cushion scale. I'd need a closer image to help you find out which of the species it might be.

The spots on the trunk look like one of the common lichens (harmless) that can be found on the trunks and branches of all kinds of trees and shrubs. Yours looks just like what I've seen on many Crape myrtles.

Keep up with the scale insects. The red stuff inside of the white stuff (technical, huh?) are eggs. Attached is a link to a close-up you'll be interested in.

Here is a link that might be useful:

    Bookmark   May 14, 2010 at 3:39PM
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