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Catholic Commentary
The Terrifying Description of the Locusts
7The shapes of the locusts were like horses prepared for war. On their heads were something like golden crowns, and their faces were like people’s faces.8They had hair like women’s hair, and their teeth were like those of lions.9They had breastplates like breastplates of iron. The sound of their wings was like the sound of many chariots and horses rushing to war.10They have tails like those of scorpions, with stingers. In their tails they have power to harm men for five months.11They have over them as king the angel of the abyss. His name in Hebrew is “Abaddon”,
Revelation 9:7–11 describes demonic locusts with human-like and animal features that embody spiritual evil designed to torment humanity. Led by Abaddon (Destroyer), these chimeric beings represent organized demonic forces whose deceptive appearance and terrifying nature mask their ultimate subordination to divine authority and limitation.
Evil wears a human face and speaks with intelligence, but God has chained it to a five-month expiration date.
Verse 11 — "The angel of the abyss… Abaddon / Apollyon" The passage reaches its theological climax with the disclosure of the locusts' king. Unlike the leaderless, chaotic destruction of natural locusts (Prov. 30:27), these have a sovereign: the "angel of the abyss." The dual naming — Hebrew Abaddon (destruction, the realm of the dead, cf. Job 26:6; Prov. 15:11) and Greek Apollyon (Destroyer) — is John's deliberate bilingual emphasis, ensuring readers in both Jewish and Hellenistic cultural contexts grasp the identity. Many early Church Fathers identified Apollyon with Satan himself; others, including Origen, treated him as a high-ranking demonic prince subordinate to Satan. Either reading affirms the same truth: evil is not anarchic but hierarchically organized, and its prince is not Creator but destroyer. The name stands in absolute antithesis to Jesus Christ, whose name means Salvation (Yeshua) and who is Lord of life.
Catholic tradition reads this passage as a vivid revelation of the nature and limits of demonic power — a topic treated with precision by the Magisterium. The Catechism of the Catholic Church teaches that "Satan or the devil and the other demons are fallen angels who have freely refused to serve God and his plan" (CCC 414) and that "the power of Satan is, nonetheless, not infinite" (CCC 395). Revelation 9:7–11 dramatizes exactly this: a demonic army of terrifying potency that nonetheless operates within a five-month boundary set by God. This is profoundly consoling.
St. Thomas Aquinas, drawing on Pseudo-Dionysius, affirms that fallen angels retain their intellectual nature and thus act with cunning, not merely brute force — which explains why John's locusts are crowned, intelligent, and strategically seductive (cf. Summa Theologiae I, q. 64). The composite imagery also resonates with Aquinas's teaching that demons cannot create but only distort and recombine what God has made (ST I, q. 114): these locusts are a grotesque parody of God's creatures, not an independent creation.
The Church Fathers — particularly Origen (De Principiis III.2), Caesarius of Arles (Exposition on the Apocalypse), and Primasius of Hadrumetum — consistently interpret the locusts as demonic forces that afflict those without the seal of God (Rev. 9:4), confirming that Baptism and life in grace constitute the believer's primary defense. The "seal" language connects directly to the sacramental theology of Confirmation (CCC 1296), wherein the baptized are marked with the Holy Spirit as belonging to Christ — precisely the seal that renders one exempt from the locust-plague.
The dual name Abaddon/Apollyon resonates with Vatican II's Gaudium et Spes 13, which identifies the devil as the one who "set himself against God" and whose influence is felt in all of human history's tragic capacity for self-destruction.
John's portrait of the locusts is a masterclass in recognizing the face of spiritual attack. For contemporary Catholics, the composite nature of these creatures — seductive (women's hair), devouring (lion's teeth), armored against human resistance (iron breastplates), operating under intelligent malice (crowned, faced) — is a precise description of how diabolical temptation actually works in the digital age: alluring in presentation, consuming in effect, and seemingly impervious to merely human willpower.
The passage issues a practical challenge: are you marked with the seal of God (Rev. 9:4)? The Catholic answer involves living the sacramental life — regular Confession, reception of the Eucharist, and the practice of sacramentals such as the exorcism prayer of Baptism renewed. St. Paul's "armor of God" in Ephesians 6 is not metaphor but spiritual technology.
Crucially, the "five months" boundary reminds the suffering Catholic that no trial is infinite. When spiritual dryness, temptation, or desolation feels overwhelming, this passage insists: God has set a limit. The Destroyer is not the final word. Endurance, rooted in the sacraments and prayer, is both possible and commanded.
Commentary
Verse 7 — "Like horses prepared for war… golden crowns… faces like people's faces" The comparison to warhorses (Greek: homoiōmata tōn akridōn homoia hippois) deliberately echoes Joel 2:4, where the prophet describes a locust army as cavalry — a recognized ancient topos for unstoppable military force. But John's locusts are not merely destructive insects amplified; they are chimeric beings whose every feature encodes spiritual meaning. The "something like golden crowns" (Greek: hōs stephanoi homoioi chrysō) is deliberately hedged — these are not the stephanos of true victory (as worn by Christ in Rev. 14:14 or the elders in 4:4) but simulacra of authority, a counterfeit sovereignty. The human faces suggest a terrifying capacity for intelligence and intentionality. These are not mindless pests; they are purposeful agents of affliction.
Verse 8 — "Hair like women's hair… teeth like lions" The women's hair has generated sustained patristic commentary. Some interpreters (following Victorinus of Pettau) associate it with the seductive aspect of temptation — the locust-demons allure before they wound. The contrast with lion's teeth is deliberately jarring: what attracts also devours. The lion's teeth recall 1 Peter 5:8 ("your adversary the devil prowls around like a roaring lion") and suggest the ravenous, consuming quality of diabolic influence on the soul. The juxtaposition of feminine softness and leonine ferocity within a single creature captures the Catholic tradition's understanding of concupiscence and diabolical temptation: evil rarely presents as obviously monstrous but as something initially appealing.
Verse 9 — "Breastplates of iron… sound like chariots rushing to war" The iron breastplates signal near-invulnerability from human resistance alone — an important theological point. Only divine power, not human ingenuity or willpower, can ultimately repel these forces (cf. Eph. 6:11–17). The thunderous sound of their approach — "many chariots and horses rushing to war" — is auditory terror. In the ancient world, the sound of approaching cavalry was among the most psychologically devastating weapons of war. John conveys that the demonic assault on humanity is not subtle or silent but an overwhelming, disorienting onslaught designed to paralyze spiritual resistance.
Verse 10 — "Tails like scorpions, with stingers… power to harm for five months" Here the passage pivots from appearance to function. The scorpion's tail is the instrument of the actual wound — the sting of spiritual torment. Crucially, the harm is temporal: "five months." This is almost certainly the natural lifespan of a locust swarm, but its symbolic weight is enormous. The limitation is divinely imposed; these demons cannot harm beyond what God permits (cf. the parallel in Job 1–2, where Satan's power over Job is explicitly bounded). The "five months" resists precise calendrical decoding but functions literarily as an assurance to persecuted Christians: this torment, however agonizing, is .