CHIANG MAI, THAILAND – A welcoming event at a local school in Chiang Mai turned into a scene of panic when giant honeybees (Apis dorsata) swept down from nearby trees, attacking students, teachers, and staff gathered for a ceremony introducing the school’s new director. At least 27 people suffered multiple stings and were taken to hospital for treatment.
Panic during school ceremony
The incident occurred on the afternoon of 31 October at Wat Weluwan School in Saraphi District, where hundreds of people had assembled in the schoolyard. Witnesses said the bees appeared “literally out of nowhere”, stinging anyone within reach as panic spread through the crowd. Rescue teams from several local agencies rushed to the scene, transporting the injured to Saraphi Hospital.
Teachers and students fled in all directions, many abandoning belongings as they tried to escape the swarming insects. Emergency responders said those most affected were children caught in open areas of the courtyard.
The attackers – Asia’s giant honeybees
The species involved, the giant honeybee (Apis dorsata), is native to Southeast Asia and known for its imposing size and fierce defensive behavior. Unlike the Western honeybee common in Europe, it builds large open combs on tall trees or rock ledges rather than in enclosed hives. Because their nests are exposed, even small disturbances can provoke aggressive defense.
Experts describe these bees as highly sensitive to vibration, loud noise, or movement near their nests. They are capable of pursuing perceived threats for hundreds of meters, and a single sting is often far more painful than that of a European bee. In large numbers, the attacks can pose serious medical risks, particularly for people with allergies.
How the attack may have been triggered
Officials and local observers believe the noisy and lively atmosphere of the school event—possibly applause, music, or movement near the trees—disturbed a colony living in the upper branches. The bees likely perceived the vibrations and sound as a threat to their exposed nest.
“THEIR AGGRESSION IS NOT MALICE BUT PURE DEFENSE INSTINCT,”
explained a local entomology specialist, noting that Apis dorsata has a much lower tolerance threshold than domesticated European species. These wild bees respond swiftly and collectively to disturbance.
Local authorities under pressure to act
The school administration now faces demands to have the nests professionally removed to prevent a repeat of the attack. According to environmental officers, such nests are common in wooded areas around northern Thailand, where large trees provide ideal nesting sites.
Though startling, locals say incidents like this are not unheard of in rural Thai communities. Still, the scale and location—within a school compound—has renewed debate about preparedness for natural hazards in public institutions.
Lessons in prevention
Authorities are expected to review safety measures at schools located near dense vegetation or known nesting areas. Emergency responders emphasized the need for:
• Awareness training for teachers and students about potential wildlife dangers
• Regular inspections of trees within school grounds
• Professional removal of high-risk insect colonies
As recovery continues for those injured, local leaders have called for calm and vigilance. The Wat Weluwan School community is attempting to resume classes while the surrounding trees are being inspected for remaining hives.
“WE MUST TAKE THIS AS A REMINDER THAT COEXISTING WITH NATURE REQUIRES RESPECT AND CAUTION,”
one rescue official said after the operation.