Sorry, not Perunga. The pattern on the pronotum is quite different in this species which belongs to the sub family Acridinae rather than the Catantopinae. Its a Vth instar nymph and the wing buds area reversed at this stage
Whoops! Many thanks for sorting this out – I was definitely carried away! Magpies were about so hope it became a welcome meal & not a portent for what's to come.