Ultrasound for Mite Control?

[Terri Yaki]

This sounds interesting.

Polish teen and her granddad create device to save bees from deadly fat-sucking mites

https://tvpworld.com/83091608/polish-teen-and-her-granddad-create-device-to-save-bees-from-deadly-fat-sucking-mites

Edit to add: I found the story on fakebook and the commentors don't sound very optimistic about this device.