Insects do a lot more harm than ruining picnics. Some insects spread devastating diseases, while others cause staggering economic losses in agriculture. To control some of these pests, scientists are developing males that make sex a deadly event.
The stakes are high. Mosquitoes carry viruses such as dengue, West Nile and Zika, as well as parasites that cause malaria. Researchers estimate that mosquitoes have caused the deaths of 52 billion people overall – nearly half of all the humans that have ever lived.
