Saucers, Spangles, and Jumpers on Oaks
Last week, I came across a burr oak (Quercus macrocarpa) in a southwest Ohio city park with leaves on the lower part of the canopy dramatically embellished with a type of “saucer gall.” The galls were the handiwork of the gall wasp, Neuroterus tantulus (“Gall-Wasp” family Cynipidae).
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