Against invasive species like the Asian hornet

Against invasive species like the Asian hornet
 As they might, will even pose a treat to food production

Autonomyous unmanned aerial vehicles, drones.
they should recognise the sound of their wing slaps and nest sounds. And GPS mappings. And optional wide laser scanners to recognise their nest.

Medium to big or very fast small drones with longest lasting powerfull batteries and even self reload through the best photovoltaics is possible.

Fast version, notes
By Jeffrey Koelewijn

Update: Destroying their nests with man stirred bigger unmanned aerial vehicles, drones after findings. With a certain qualified ethical substance and thrower, sprayer.

Driving to those places with a suit and a certain qualified ethical substance and thrower, sprayer is also possible.

Update: Research by what distance the sound of a whole nest can be located.
Update: The drones need a camera and distance sencors so they don't hit things.

Driving around with a nest sound recognise is also pssible

Extra: If needed colour recognition to avoid the normal hornet if sizes and sounds are the same