Toadflax Brocade caterpillar

Toadflax Brocade caterpillar

Observation - Toadflax Brocade caterpillar. Description: I believe this to be rare for a SW London garden, but 2 are currently on the yellow toadflax.

I believe this to be rare for a SW London garden, but 2 are currently on the yellow toadflax.