Gall wasp
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Gall wasps, also traditionally called gallflies, or cynipids, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants
Gall Wasp Cynipidae family, Leesylvania State Park, Woodbridge, Virginia
Diastrophus nebulosus on a raspberry gall
Andricus quercuscalicis parthenogenetic generation gall
Cynips longiventris parthenogenetic generation gall
Oak apple
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An oak apple or oak gall is a large, round, vaguely apple-like gall commonly found on many species of oak. Oak apples range in size from 2 to 4 centimetres in diameter and are caused by chemicals inje
Gall wasp
…Galls of some species have been used across various cultures in traditional medicine. Oak apple Oak marble gall…
Oak apples on Quercus robur leaf
Oak galls on a Pyrenean oak (Quercus pyrenaica) in León, Spain.
An oak apple on a tree in Worcestershire, England
An oak apple on an oak leaf.