British Beekeepers' Association: Asian Hornet FAQ page and Asian Hornet resources page.

National Bee Unit - BeeBase advice:

• Familiarise yourself with the Asian Hornet:
  Asian Hornet information pages of BeeBase.
• Monitor for its arrival using monitoring traps in your apiaries:
  Downloads: guidance note and video on how to make a monitoring trap.
• Ensure your BeeBase records are up to date with apiary locations:
  Use the online functionality to update your apiary records and also record if Asian Hornet traps are situated in an apiary.
  Guidance on how to update your records can be found here.
• Report any suspect sightings:
  With your smart phone or tablet, by using the ‘Asian Hornet Watch’ app: for Android and iOS.
  Online at: http://www.brc.ac.uk/risc/alert.php?species=asian_hornet.
  By email to: This email address is being protected from spambots. You need JavaScript enabled to view it..
  Please include as much information as possible in your email: where you saw the sighting, your name and contact details and if possible an image.