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Project Noah Nature School
Acraspis erinacei
Hedgehog Gall produced by the tiny cynipid wasp Acraspis erinacei. Old, wooly ellipsoid gall - ca. 15 mm long can ca 7-8 mm diameter - produced on midrib of underside of leaf of White Oak (Quercus alba).
Found on White Oak (Quercus alba) leaf in leaf litter on sunny, south-facing slope above year-round drainage to Appalachee River.
Spotted on Mar 10, 2017
Submitted on Mar 13, 2017
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