Verse 5 clarifies the scorpion power given in 9:3—they torment but do not kill for five months.

Verse 10 elaborates on the scorpion power from 9:3, specifying the tails as the source of harm.

Verse 11 names the king of the locusts from 9:3—the angel of the Abyss, Abaddon.

Exodus 10:4-15 recounts the plague of locusts in Egypt — here a more demonic locust plague echoes that judgment.

In Exodus 10:14, locusts are a plague on Egypt; here locusts again bring judgment, echoing the OT pattern.

In Psalm 105:34, God sends locusts as a plague; this is the same OT judgment imagery used here.

Joel 1:4 describes a locust plague as divine judgment—the same imagery Revelation 9:3 uses for demonic locusts.

Joel 2:25 calls locusts 'my great army'—the same military imagery Revelation 9:3 uses for the locusts from the abyss.

In Luke 10:19, Jesus gives authority over scorpions; here the locusts receive scorpion-like power for judgment—opposing uses of the same image.

In 2 Chronicles 6:28, locusts are among covenant curses in Solomon's prayer; here they appear as judgment in Revelation.

Nahum 3:15 uses grasshopper/locust imagery for overwhelming judgment—similar to the swarm in Revelation 9:3.