From 2017.
"Researchers at Charles Stark Draper Laboratory and Howard Hughes Medical Institute have created a tiny insect drone.
A dragonfly was genetically modified so that that it can be piloted remotely through pulses in its nerve cord. It carries a small backpack with electronics and a solar panel that powers it.":
https://mashable.com/2017/06/06/dragonfly-carries-tiny-solar-powered-backpack/
"Researchers at Charles Stark Draper Laboratory and Howard Hughes Medical Institute have created a tiny insect drone.
A dragonfly was genetically modified so that that it can be piloted remotely through pulses in its nerve cord. It carries a small backpack with electronics and a solar panel that powers it.":
https://mashable.com/2017/06/06/dragonfly-carries-tiny-solar-powered-backpack/