Gall on a willow leaf
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Goldenrod gall fly (Eurosta solidaginis)
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Gall on staghorn sumac made by Melaphis rhois aphids
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Horned Oak Gall on Shingle Oak from Gall wasp (Callirhytis cornigera)
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Gall on Willow Tree Caused by the Willow Rosette Gall Midge
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Door, Cathedral, St. Gallen, Abbey of Saint Gall, Switzerland
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Red crossed button slug caterpillar (Tortricidia pallida), #4653
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Cathedral, St. Gallen, Abbey of Saint Gall, Switzerland
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Galls with larvae on hawthorn leaf (Crataegus sp.)
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Galls on Ninebark made by Contarinia sp.
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