This page answers the most common questions about the Asian hornet (Vespa velutina) in Belgium. To report a nest or an observation, use the form: Report a nest.
How can I recognise an Asian hornet?
The Asian hornet is mostly dark: a black thorax, a dark abdomen with a broad yellow-orange band, and partly yellow legs. The head appears more orange from the front. A clear photo (taken from a safe distance) greatly helps confirmation.
What should I do if I see a hornet or a nest?
Do not approach, do not touch the nest and do not try to catch the insect. If possible, take a photo and report it via the form.
Can I destroy a nest myself?
No. Amateur destruction is highly risky (multiple stings, allergic reactions, falls, burns…). Contact a professional or submit a report so the right channels can be activated.
Is the Asian hornet dangerous?
Away from the nest, it is often not very aggressive, but it strongly defends its colony. Stings can be serious in case of allergy or multiple stings.
What should I do in case of a sting?
Apply cold and monitor symptoms. Seek urgent medical care if you experience breathing difficulties, faintness, widespread hives or significant swelling.
Is the nest reused the next year?
No. Old nests are not reused. Only fertilised queens survive winter and start new colonies in spring.
Until when are nests active?
Nests remain active as long as there is no sustained frost. In mild autumns, activity can continue into November or even December. After significant frost, the nest becomes inactive.
How does Vespa Alert™ Belgium work?
Reports feed the map and help coordination. Learn more here: Objectives & how it works.