This is a list of the butterflies declared endangered all over the world.
Behren's Silverspot (Speyeria zerene behrensii)
Callippe Silverspot (Speyeria callippe callippe)
El Segundo Blue (Euphilotes battoides allyni)
Fender's Blue (Icaricia icarioides fenderi)
Karner Blue (Lycaeides melissa samuelis)
Lange's Metalmark (Apodemia mormo langei)
Lotis Blue (Lycaeides argyrognomon lotis)
Mission Blue (Icaricia icarioides missionensis)
Mitchell's Satyr (Neonympha mitchellii mitchellii)
Myrtle's Silverspot (Speyeria zerene myrtleae)
Palos Verdes Blue (Glaucopsyche lygdamus palosverdesensis)
Quino Checkerspot (Euphydryas editha quino (=E. e. wrighti))
Saint Francis' Satyr (Neonympha mitchellii francisci)
San Bruno Elfin (Callophrys mossii bayensis)
Schaus Swallowtail (Heraclides (=Papilio) aristodemus ponceanus)
Smith's Blue (Euphilotes enoptes smithi)
Uncompahgre Fritillary (Boloria acrocnema)
Source: U.S. Fish and Wildlife Service.
Behren's Silverspot (Speyeria zerene behrensii)
Callippe Silverspot (Speyeria callippe callippe)
El Segundo Blue (Euphilotes battoides allyni)
Fender's Blue (Icaricia icarioides fenderi)
Karner Blue (Lycaeides melissa samuelis)
Lange's Metalmark (Apodemia mormo langei)
Lotis Blue (Lycaeides argyrognomon lotis)
Mission Blue (Icaricia icarioides missionensis)
Mitchell's Satyr (Neonympha mitchellii mitchellii)
Myrtle's Silverspot (Speyeria zerene myrtleae)
Palos Verdes Blue (Glaucopsyche lygdamus palosverdesensis)
Quino Checkerspot (Euphydryas editha quino (=E. e. wrighti))
Saint Francis' Satyr (Neonympha mitchellii francisci)
San Bruno Elfin (Callophrys mossii bayensis)
Schaus Swallowtail (Heraclides (=Papilio) aristodemus ponceanus)
Smith's Blue (Euphilotes enoptes smithi)
Uncompahgre Fritillary (Boloria acrocnema)
Source: U.S. Fish and Wildlife Service.