CLOSED: mites ? under leaf photo

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Dennis_S Campobello, SC May 16, 2010

mites ? under leaf photo

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suunto Sinks Grove, WV May 16, 2010

These appear to be aphids; the white objects look like shed 'skins' (exuviae) of aphids. The species Hamamelistes spinosus causes the leaves of river birch to be distorted and deeply puckered and to develop a reddish coloration. These aphids develop on the undersides of the leaves in gall-like pockets,and although the leaves may be very unsightly, the aphids do not appear to cause the tree serious damage.

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Dennis_S Campobello, SC May 17, 2010

Thank You suunto. So is it your opinion I shouldnt do anything?

Post #7801522
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suunto Sinks Grove, WV May 17, 2010

You probably do not, but just to be sure, check with your county agricultural extension service office.

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Dennis_S Campobello, SC May 17, 2010

Thanks again for pointing me in the right direction. Apparently they are spiny with-hazel gall aphids.

http://entweb.clemson.edu/eiis/pdfs/to17.pdf

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