Identificaciones de cynestor

I found 5 of these galls growing on a Brittlebush on the riverbank. This gall was seemingly coming from the stem (?) while 3 of the others were on a leaf.

Host plant observation: https://www.inaturalist.org/observations/190875728

They resemble these galls I found on a Brittlebush before, which is where I'm pulling the identification from: https://www.inaturalist.org/observations/102984332

The other galls on the host plant:

• https://www.inaturalist.org/observations/190875733
• https://www.inaturalist.org/observations/190875734
• https://www.inaturalist.org/observations/190875737

Photos 1-4 were edited to have an Auto White Balance and were darkened in Photoshop. Photo 5 was unedited.