Luke 11:12

Or if he asks for an egg, will give him a scorpion?

Luke 10:19

Here I have given you the power to tread on snakes and scorpions, and to trample on all the power of the enemy. Nothing will hurt you at all.

Revelation 9:10

They had tails and stings like scorpions; it was in their tails that their power lay to harm men for five months.

Treasury of Scripture Knowledge

Summary

Or if he shall ask an egg, will he offer him a scorpion?

General references

Bible References

A scorpion

Luke 10:19
Here I have given you the power to tread on snakes and scorpions, and to trample on all the power of the enemy. Nothing will hurt you at all.
Revelation 9:10
They had tails and stings like scorpions; it was in their tails that their power lay to harm men for five months.

General references

Matthew 7:9
Which of you men when his son asks him for some bread will give him a stone?