This morning I drew back the curtains on the sliding door and was faced with this huge insect hanging on to the flywire screen _ bit of a shock when I hadn't even had my coffee!
It's a Greengrocer Cicada Cyclochila australasiae, green form. Other colour variations are Blue Moon (turquoise form), Chocolate Soldier (dark tan form), Masked Devil, Yellow Monday (yellow form). They're common and found (or should I say heard) up the east coast of Australia. And they're big _ its wing span is about 13 cm.
I was about to move it to a tree for a different photograph but it flew away when I moved the door. Oh well, now I can have my coffee.