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Rare beetles found near chungju river in South Korea

yna.co.kr · 11 September 2026

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199 citizens in Chungju, South Korea, discovered 101 Elateriform beetles, a critically endangered species, during nighttime surveys along the Miho River.

The Chungju International Eco-Complex and the National Institute of Ecology’s Restoration Center for Endangered Species held an event to share the results of the citizen science project. The Elateriform beetle population has sharply declined nationwide due to river development, leading the Ministry of Environment to designate it as a Class 1 endangered species.

Researchers conducted eight nighttime surveys from June 20 to August 11 near the Oksan Bridge. They found a total of 101 beetles, including specimens. The team also took steps to protect the beetles’ habitat by turning off lights on the bridge, as the insects are attracted to artificial light sources. City officials plan to continue and expand both the monitoring programs and habitat conservation efforts with the help of citizens.

The Elateriform beetle has a short adult lifespan and limited distribution data, making ongoing observation essential for its survival.

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