Oak apple gall
These galls are abnormal deformed leaves The abnormal growth is caused by the larva of a parasitic wasp Amphibolips confluenta that after an egg has been laid in a leaf secretes a substance that causes the leaf to grow as a round papery home for the larva The larva feeds on the inside of the gall and emerges upon maturing into an adult wasp
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Photo credit: © Martin Shields / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: abnormal, abnormality, amphibolips, apple, botany, confluenta, deformed, development, ecological, ecology, forest, gall, growth, health, interaction, leaf, oak, parasite, parasitic, parasitism, pest, plant, quercus, silviculture, spongy, tree, wasp
