Plant Galls, Richard Bell's Nature Diary, 10^th October 1998

Marble Gall on Sessile Oak, made by the gall wasp Alderia kollari

Artichoke or Hop Gall on Sessile Oak, made by the gall wasp Andricus fecundator

Knopper Gall on Sessile Oak made by the gall wasp Andricus quercuscalicis.

Gall on leading bud of Hawthorn made by the midge Dasyneura crataegi

Gall on willow made by the sawfly Pontania

Bedeguar Gall or Robin's Pin Cushion on Dog Rose made by the gall wasp Diplolepis rosae

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