Amphibolips confluenta, known generally as the spongy oak apple gall wasp, is a species of gall wasp in the family Cynipidae. Its range includes Ontario, Quebec, and much of the eastern United States. Hosts include Quercus buckleyi, Quercus coccinea, Quercus falcata, Quercus ilicifolia, Quercus marilandica, Quercus rubra, Quercus shumardii, and Quercus velutina.

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