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Knopper Gall

Photograph by: 
Peter Orchard

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


Common Name Knopper Gall
Scientific Name Andricus quercuscalicis
Species Group Galls and Deformities
Interest Level
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Identification Notes
Primary Habitat
Preferred Environment
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Additional Identification Notes
Similar Species

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

Notebook Distribution Map Sites List Some Charts Some Photographs Recent Records Guidance Notes

To see related species click here: 

Galls and Deformities