The carnivorous pitcher plant Nepenthes bicalcarata (A) and the ant Camponotus schmitzi (B) team up to fight fly larvae (C) that steal the plant's prey. An insect-eating pitcher plant teams up with ants to prevent mosquito larvae from stealing its nutrients, according to research published May 22 in the open access journal PLOS ONE by Mathias Scharmann and colleagues from the University of Cambridge and the University Brunei Darussalam.