AmiW's picture

Plant growth?

Observed: 13th September 2013 By: AmiW
Merseyside BioBank
AmiW’s reputation in InvertebratesAmiW’s reputation in Invertebrates

Found on rose plants. A guess it may be a gall?

Species interactions

No interactions present.

Species with which Robin's Pin-Cushion Gall (Diplolepis rosae) interacts


Amadan's picture

It is a gall -

And it's caused by a wasp, so really ought to be re-classified as an Invertebrate.
They tend to fade with age - this lovely red colour becomes paler. Eventually other organisms (some just seeking a home, others parasitising them) will move in.