Sidmouth, Devon, 4th Sep 16 As autumn commences, oak trees become the host for over 30 species of oak gall wasp. The larval stage of these insects induces the plant to produce abnormal growths, known as galls, that enclose the developing larvae. Photo South West Photos/Alamy Live News
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Keywords: abnormal, acorn, developing, enclose, gall, galls, growth, growths, insects, larvae, larvae., larval, oak, plant, species, stage, tree, trees, wasp, wasp.
