"R&D company Draper is developing an insect control "backpack" with integrated energy, guidance, and navigation systems, shown here on a to-scale dragonfly model.

To steer the dragonflies, the engineers are developing a way of genetically modifying the nervous system of the insects so they can respond to pulses of light. Once they get it to work, this approach, known as optogenetic stimulation, could enable dragonflies to carry payloads or conduct surveillance..."

Source: http://spectrum.ieee.org/automaton/robotic...