wad25's picture

Marble Gall

Observed: 26th September 2009 By: wad25
S159 Neighbourhood Nature - course complete
wad25’s reputation in Invertebrateswad25’s reputation in Invertebrateswad25’s reputation in Invertebrates
Garden Shots 082
Description:

Woody growths on oak sapling caused by gall wasp Andricus kollari. Circular holes suggest successful pupation of agamic stage.

Identifications
Species interactions

No interactions present.

Species with which Marble Gall (Andricus kollari) interacts

Comments

petershirley's picture

Marble gall

Yes, these are the galls of the agamic generatiion of Andricus kollari

Peter Shirley

Martin Harvey's picture

confirmation

Thanks for the confirmation Peter - would you like to click on the "I agree" button, above, as well? That helps us to track what degree of consensus has been reached for each observation.

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Entomologist and biological recorder

Batnovice's picture

Use of Galls

to make a black ink when combined with an iron salt and crushed egg shell. This ink has been in use in the UK for the last 1400 years.