A multi-copter drone is fitted with mosquito release mechanism developed by WeRobotics, capable of releasing up to 100,000 of the insects, Zurich, Switzerland, November 2017. CREDIT/Jurg Germann A multi-copter drone is fitted with mosquito release mechanism developed by WeRobotics, capable of releasing up to 100,000 of the insects. CREDIT/Jurg Germann