DARPA's 2009 Cyborg Moth Program Implanted Electronics During Metamorphosis

In 2009, DARPA-funded researchers published a study on implanting flexible microelectrodes into tobacco hawkmoths during their pupal stage, allowing the insects to develop around the electronics naturally. The program, part of DARPA's Hybrid Insect Micro-Electro-Mechanical Systems initiative, achieved a 98% success rate across more than 100 implantations. By inserting probes roughly seven days before emergence, 90% of moths developed into fully functioning adults with intact wings. The implanted electrodes could both record muscle activity and stimulate flight muscles, enabling researchers to steer a moth's direction mid-flight. The key innovation, dubbed Early Metamorphosis Insertion Technology, used the insect's own developmental process to integrate the electronics rather than forcing implants into a fully formed organism.