It is an immature Giant Shield bug (Tessaratomidae).
compare:
https://www.google.de/search?q=cryptodus&client=ubuntu&channel=fs&biw=1366&bih=619&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjzneiI3cjQAhWElSwKHfCvACMQ_AUIBigB#channel=fs&tbm=isch&q=tessaratomidae+giant+shield+bug+nymphs
Comments (2)