Dave Hill wrote:
No, it's wasn't him - he was tucked up on his duvet indoors on every
occasion it happened! ?They haven't been touched overnight in the porch.
It was too big for a thrip, maybe 1/2 inch, bright lime green with
spectacular long outcurved antennae.
A very early shield beetle?
Shield bugs dont hop or jump.

They ping when you knock the leaf they're sitting on, though. :-)