Oak apple gallOak apples, like other 'galls', are produced by the tree as a reaction to eggs laid by small 'gall-wasps'. Oak apple galls are produced in response to the wasp Biorhiza pallida. The picture shows a relatively new gall and is a perfect illustration of how this gall comes by its name.
Technical Information: Photographed with a Praktica MTL3.|
Copyright Richard Burkmar 2003. Permission is hereby granted for anyone to use this image for non-commercial purposes which are of benefit to the natural environment. School pupils, students, teachers and educators are invited to use and reproduce the image freely. The photographer should be credited where practicable. Use for commercial purposes is prohibited unless permission is obtained from the copyright holder.|
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