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Lovebug Swarms Persist Across Seoul and Incheon

Officials emphasize nonchemical tactics, fund fungal larvicides, anticipate a natural population crash by mid-July

A telescope at the summit observatory of a mountain is covered with "lovebugs", officially called Plecia longiforceps, in Incheon, South Korea, June 30, 2025.  Yonhap/via REUTERS       ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVE. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA.
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Millions Of 'Lovebugs' Swarm Invades In South Korea's Seoul - Visuals Inside

Overview

  • Dense lovebug clouds continue to blanket Mount Gyeyang’s trails, urban streets and rest areas, prompting viral videos and on-site complaints.
  • The insects feed on nectar and decaying plant matter without biting or transmitting diseases, playing a beneficial role in pollination and soil decomposition.
  • Seoul registered 9,296 lovebug complaints in 2024, and Incheon’s Gyeyang District logged nearly 360 reports by late June compared to 62 at the same point last year.
  • Authorities advise using water spraying, sticky traps, reduced outdoor lighting and dark-colored clothing while warning against indiscriminate pesticide use.
  • Government researchers are developing fungal larvicides targeting breeding sites, and adults’ one-week lifespan is expected to lead to a natural die-off by mid-July.