Clemson University Warned Charleston of Invasive Hornets
The invasive yellow-legged hornet poses a significant threat to native honeybee populations in South Carolina.
Updated on Sept. 21, 2026 in Environmental
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Clemson University has launched an outreach campaign in Charleston to alert residents to the presence of the invasive yellow-legged hornet. The university is actively seeking public assistance to identify and report nests of the Southeast Asian species, which consumes native insects.
Why it matters
The yellow-legged hornet is a predatory threat that targets honeybees and other pollinators, risking the health of local ecosystems. Because their colonies can grow larger than a beach ball, professional monitoring and rapid removal are essential for environmental protection.
Clemson University is tracking the invasive species through field traps and public reports to map their expansion. The university currently manages the official treatment and removal protocols for all confirmed nest locations.
The players
Clemson University
This public research university in South Carolina leads the state's efforts in managing invasive species and agricultural health.
The details
Clemson University staff are utilizing QR codes printed on mailers sent to Charleston households to facilitate public reporting of sightings. Once a report is submitted, the university investigates to confirm the presence of the species and coordinates professional pest control services for safe removal.
Timeline
August 2023: Yellow-legged hornets were first spotted in the United States near Savannah.
November 2023: The species was first identified within South Carolina.
September 2026: Clemson University distributed warning mailers to Charleston area residents.
Deeper Dive
This initiative follows a pattern set by Clemson University's invasive species monitoring program to protect regional biodiversity. The effort mirrors systematic responses to previous agricultural threats that have required coordinated state-level surveillance and rapid intervention.
Charleston residents should use the QR code provided on recent mailers to report any suspected nest sightings to Clemson University. Professional removal is required for these nests, which can grow to sizes exceeding a beach ball and threaten local pollinator health.
The takeaway
The yellow-legged hornet poses a measurable risk to native pollinators and requires coordinated community reporting for effective management. Residents are encouraged to remain vigilant and avoid attempting to disturb or remove suspected nests themselves.
Further reading
Learn more about local conservation efforts in our Environmental section.
More information
Submit observations regarding potential infestations via the Clemson University hornet nest reporting link.
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