Of the many fascinating theoretical applications of DARPA's "cyborg insect" research, the most creative could be using sex-starved moths to follow bank robbers. A new article in EE Times goes into detail on HI-MEMS, and quotes a science fiction writer whose book inspired the DARPA program:

"Moths are extraordinarily sensitive to sex attractants, so instead of giving bank robbers money treated with dye, they could use sex attractants instead," said [science fiction writer Thomas] Easton. "Then, a moth-based HI-MEMS could find the robber by following the scent.