As of July 2017, the International Union for Conservation of Nature (IUCN) lists 343 endangered insect species. 5.7% of all evaluated insect species are listed as endangered. The IUCN also lists 21 insect subspecies as endangered. No subpopulations of insects have been evaluated by the IUCN. This is a complete list of endangered insect species and subspecies as evaluated by the IUCN.