We spotted what we think is a female Brimstone butterfly, hiding in among the jasmine leaves. (Gonepteryx Rhamni)
One view is that butterflies are named for the buttery-yellow wings of male Brimstones.

Brimstone butterfly on the strawberry. May 2020
Brimstone butterfly are not endangered. More information on Brimstones can be found at the Butterfly Conservation website.