They had tails with stingers like scorpions, which had the power to injure people for five months.
Textus Receptus (TR) - Revelation 9:10 >Καὶ ἔχουσιν οὐρὰς ὁμοίας σκορπίοις, καὶ κέντρα ἦν ἐν ταῖς οὐραῖς αὐτῶν· καὶ ἡ ἐξουσία αὐτῶν ἀδικῆσαι τοὺς ἀνθρώπους μῆνας πέντε.