Sounds and looks like an old sci-fi flick..

Engineered Mosquitoes Could Wipe Out Dengue Fever

Scientists at a British biotech company said they have evidence that their genetically modified mosquitoes, which are programmed for sudden, early death, can control the spread of dengue fever.
But as with genetically modified crop companies like Monsanto, Oxitec could face a backlash from a wary public. Greenpeace, among others, oppose genetic engineering of organisms that could be released into the wild.

And, maybe, us.......