National Institute of Forest Science: "Lovebug Problem Solved with Eco-Friendly Control"

An eco-friendly control method for the red-shouldered lovebug (commonly known as the lovebug) has been developed. Although the lovebug is a beneficial insect, it became a social issue after large outbreaks in areas such as Baekryeonsan in Eunpyeong-gu, Seoul, and Gyeyangsan in Gyeyang-gu, Incheon during the past summer, disrupting daily life.

The National Institute of Forest Science announced on November 24 that laboratory verification experiments have confirmed the effectiveness of eco-friendly control using organic agricultural materials in eradicating lovebugs.

Lovebug larvae in the soil. Provided by the National Institute of Forest Science

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The National Institute of Forest Science investigated the habitat distribution of lovebug larvae in Baekryeonsan and Gyeyangsan, and then verified the indoor efficacy of eco-friendly control agents for density management.

In terms of habitat distribution, lovebugs were found in relatively large numbers around hiking trails, ridges, and summits. When commercially available eco-friendly control agents were used, the insecticidal effect of entomopathogenic fungi was confirmed to be 90% after three weeks, while the effect of plant extract-based agents was found to be over 60%.

Based on these laboratory results, the National Institute of Forest Science plans to conduct outdoor demonstration experiments with eco-friendly control agents before the adult lovebugs become active in the first half of next year. The institute will also collaborate with local governments to determine the optimal timing for control and the most effective application methods.

Park Yonghwan, a researcher at the Forest Insect and Disease Research Division, stated, "Outdoor experiments may differ in conditions from laboratory experiments," adding, "We will continue our research on lovebug control to minimize public inconvenience."

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