Q-Tips Grow on Trees?

Do Q-Tips grow on trees? You may think so if you walk down Hillsborough Street in

Oak Eriococcin on willow oak in Raleigh. Photo S.D. Frank

Raleigh.  The willow oaks are covered in white cottony puffs. These are the egg cases (ovisacs) of Oak Eriococcin a unique scale in the family Eriococcidae. Right now the eggs within these ovisacs are hatching and crawlers are moving out to make their way.  You can  also find some specialist predatory beetle larvae in and around the ovisacs but they do not seem to keep up with the scale on stressed urban trees. See recent Pest News Article here.

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