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Oak marble galls

Andricus kollari

Photo by Meik Meißner
Published on Project Noah
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Field Notes

Description:

Oak marble galls develop as a chemically induced distortion of leaf buds on oak caused by the gall wasp Andricus kollari, which lays eggs within leaf buds. The second picture shows that the galls have been predated by a bird.

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Andricus kollari

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PublishedOctober 25, 2011

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