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Oak marble galls

Andricus kollari


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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Meik Meißner
Spotted by
Meik Meißner

Schönstedt, Freistaat Thüringen, Germany

Spotted on Sep 1, 2011
Submitted on Oct 25, 2011

Spotted for Mission

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