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Knopper Gall

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Having arrived in the United Kingdom in the 1960s this is now a quite common gall of oak acorns and is more abundant in some years than others


Photograph by: 
Peter Orchard

The records for this species have been organised into reports, charts, maps and photos. Click a pic below to see the detail:

Sites List Distribution Map Some Charts Some Photographs Original Tweets Relatives Guidance Notes
Common Name Knopper Gall
Scientific Name Andricus quercuscalicis
Interest Level
Species Family Galls and Deformities
Preferred Environment
Look for
Additional Identification Notes