'Scorpions' in the Bible

For whereas my father put a heavy yoke upon you, I will put more to your yoke: my father chastised you with whips, but I will chastise you with scorpions.

And answered them after the advice of the young men, saying, My father made your yoke heavy, but I will add thereto: my father chastised you with whips, but I will chastise you with scorpions.