Revelation 9:3

9:3 Then out of the smoke came locusts onto the earth, and they were given power like that of the scorpions of the earth.

Revelation 9:10

9:10 They have tails and stingers like scorpions, and their ability to injure people for five months is in their tails.

Revelation 9:19

9:19 For the power of the horses resides in their mouths and in their tails, because their tails are like snakes, having heads that inflict injuries.