Robin’s pincushions are also galls, this time from a wasp which targets roses – usually those growing wild.
The “Robin” of the name is not a bird, but the woodland spirit, Robin Goodfellow.
Empty cases which had formed the protective cover for the chrysalis stage of cicadas, showing the hole in the back where the adult insect emerged.
I couldn’t get in close enough to see whether these still had the insect inside.