Paracyrba wanlessi, the Malaysian jumping spider, eats swarms of mosquitoes, the disease-transmitting insects responsible for millions of deaths a year due to malaria and other illnesses. “Many other animals, including other spiders, may sometimes eat mosquitoes,” says study co-author Fiona Cross, a biologist at the U.K.’s University of Canterbury ,“but this spider is different, because this is a species that loves mosquitoes …