Invertebrate Species Listed Under the Endangered Species Act (ESA)

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Lange's Metalmark Butterfly, Photographed by Jerry Powell, Courtesy U.S. Fish & Wildlife Service
Lange's Metalmark Butterfly, Photographed by Jerry Powell, Courtesy U.S. Fish & Wildlife Service. This species is listed as ENDANGERED. Donate $15 or more to CEEI and get a printer-ready photo!

Invertebrate species are vanishing at an
                                                              ALARMING RATE...

Invertebrate species -- clams, snails, insects, arachnids and crustaceans -- on the earth are vanishing at an alarming rate, nowadays 1,000 up to 10,000 times faster than their natural rate of extinction. LEARN MORE

The following invertebrate species are currently
                 listed under the Endangered Species Act…

ESA Listed Invertebrate Species
Species photos, info and distribution maps will be posted as they become available.

Clams

Status Species Name  Common (Scientific)
E Acornshell, Southern (Epioblasma othcaloogensis)
T Bankclimber, Purple (mussel) (Elliptoideus sloatianus)
E,XN Bean, Cumberland (pearlymussel) (Villosa trabalis)
E Bean, Purple (Villosa perpurpurea)
E Blossom, Green (pearlymussel) (Epioblasma torulosa gubernaculum)
E,XN Blossom, Tubercled (pearlymussel) (Epioblasma torulosa torulosa)
E,XN Blossom, Turgid (pearlymussel) (Epioblasma turgidula)
E,XN Blossom, Yellow (pearlymussel) (Epioblasma florentina florentina)
E,XN Catspaw (=purple cat's paw pearlymussel) (Epioblasma obliquata obliquata)
E Catspaw, White (pearlymussel) (Epioblasma obliquata perobliqua)
E,XN Clubshell (Pleurobema clava)
E Clubshell, Black (Pleurobema curtum)
E Clubshell, Ovate (Pleurobema perovatum)
E Clubshell, Southern (Pleurobema decisum)
E,XN Combshell, Cumberlandian (Epioblasma brevidens)
E Combshell, Southern (Epioblasma penita)
E Combshell, Upland (Epioblasma metastriata)
E Elktoe, Appalachian (Alasmidonta raveneliana)
E Elktoe, Cumberland (Alasmidonta atropurpurea)
E Fanshell (Cyprogenia stegaria)
T Fatmucket, Arkansas (Lampsilis powelli)
T Heelsplitter, Alabama (=inflated) (Potamilus inflatus)
E Heelsplitter, Carolina (Lasmigona decorata)
E Higgins eye (pearlymussel) (Lampsilis higginsii)
E Kidneyshell, Triangular (Ptychobranchus greeni)
E,XN Lampmussel, Alabama (Lampsilis virescens)
E Lilliput, Pale (pearlymussel) (Toxolasma cylindrellus)
E,XN Mapleleaf, Winged (mussel) (Quadrula fragosa)
T Moccasinshell, Alabama (Medionidus acutissimus)
E Moccasinshell, Coosa (Medionidus parvulus)
E Moccasinshell, Gulf (Medionidus penicillatus)
E Moccasinshell, Ochlockonee (Medionidus simpsonianus)
E Monkeyface, Appalachian (pearlymussel) (Quadrula sparsa)
E Monkeyface, Cumberland (pearlymussel) (Quadrula intermedia)
T Mucket, Orangenacre (Lampsilis perovalis)
E Mucket, Pink (pearlymussel) (Lampsilis abrupta)
E,XN Mussel, Oyster (Epioblasma capsaeformis)
E Mussel, Scaleshell (Leptodea leptodon)
T Pearlshell, Louisiana (Margaritifera hembeli)
E,XN Pearlymussel, Birdwing (Conradilla caelata)
E,XN Pearlymussel, Cracking (Hemistena lata)
E Pearlymussel, Curtis (Epioblasma florentina curtisii)
E,XN Pearlymussel, Dromedary (Dromus dromas)
E Pearlymussel, Littlewing (Pegias fabula)
E Pigtoe, Cumberland (Pleurobema gibberum)
E Pigtoe, Dark (Pleurobema furvum)
E,XN Pigtoe, Finerayed (Fusconaia cuneolus)
E Pigtoe, Flat (Pleurobema marshalli)
E Pigtoe, Heavy (Pleurobema taitianum)
E Pigtoe, Oval (Pleurobema pyriforme)
E Pigtoe, Rough (Pleurobema plenum)
E,XN Pigtoe, Shiny (Fusconaia cor)
E Pigtoe, Southern (Pleurobema georgianum)
E Pimpleback, Orangefoot (pearlymussel) (Plethobasus cooperianus)
E Pocketbook, Fat (Potamilus capax)
T Pocketbook, Finelined (Lampsilis altilis)
E Pocketbook, Ouachita rock (Arkansia wheeleri)
E Pocketbook, Shinyrayed (Lampsilis subangulata)
E Pocketbook, Speckled (Lampsilis streckeri)
E Rabbitsfoot, Rough (Quadrula cylindrica strigillata)
E Riffleshell, Northern (Epioblasma torulosa rangiana)
E Riffleshell, Tan [Epioblasma florentina walkeri (=E. walkeri)]
E Ring pink (mussel) (Obovaria retusa)
T Slabshell, Chipola (Elliptio chipolaensis)
E Spinymussel, James (Pleurobema collina)
E Spinymussel, Tar River (Elliptio steinstansana)
E Stirrupshell (Quadrula stapes)
E Three-ridge, Fat (mussel) (Amblema neislerii)
E Wartyback, White (pearlymussel) (Plethobasus cicatricosus)
E Wedgemussel, Dwarf (Alasmidonta heterodon)



Snails

Status Species Name  Common (Scientific)
E Ambersnail, Kanab (Oxyloma haydeni kanabensis)
E Campeloma, Slender (Campeloma decampi)
E Cavesnail, Tumbling Creek (Antrobia culveri)
T Elimia, Lacy (snail) (Elimia crenatella)
E Limpet, Banbury Springs (Lanx sp.)
E Lioplax, Cylindrical (snail) (Lioplax cyclostomaformis)
E Marstonia, Royal (snail) (Pyrgulopsis ogmorhaphe)
E Pebblesnail, Flat (Lepyrium showalteri)
E,XN Riversnail, Anthony's (Athearnia anthonyi)
T Rocksnail, Painted (Leptoxis taeniata)
E Rocksnail, Plicate (Leptoxis plicata)
T Rocksnail, Round (Leptoxis ampla)
T Shagreen, Magazine Mountain (Mesodon magazinensis)
E Snail, Armored [Pyrgulopsis (=Marstonia) pachyta]
T Snail, Bliss Rapids (Taylorconcha serpenticola)
T Snail, Chittenango ovate amber (Succinea chittenangoensis)
T Snail, Flat-spired three-toothed (Triodopsis platysayoides)
E Snail, Iowa Pleistocene (Discus macclintocki)
E Snail, Morro shoulderband (=Banded dune) (Helminthoglypta walkeriana)
T Snail, Newcomb's (Erinna newcombi)
T Snail, Noonday (Mesodon clarki nantahala)
T Snail, Painted snake coiled forest (Anguispira picta)
E Snail, Snake River physa (Physa natricina)
T Snail, Stock Island tree [Orthalicus reses (not incl. nesodryas)]
E Snail, tulotoma (Tulotoma magnifica)
E Snail, Utah valvata (Valvata utahensis)
E Snail, Virginia fringed mountain (Polygyriscus virginianus)
E Snails, Oahu tree (Achatinella spp.)
E Springsnail, Alamosa (Tryonia alamosae)
E Springsnail, Bruneau Hot (Pyrgulopsis bruneauensis)
E Springsnail, Idaho (Fontelicella idahoensis)
E Springsnail, Socorro (Pyrgulopsis neomexicana)



Insects

Status Species Name  Common (Scientific)
E Beetle, American burying (Nicrophorus americanus)
E Beetle, Coffin Cave mold (Batrisodes texanus)
E Beetle, Comal Springs dryopid (Stygoparnus comalensis)
E Beetle, Comal Springs riffle (Heterelmis comalensis)
T Beetle, Delta green ground (Elaphrus viridis)
E Beetle, Helotes mold (Batrisodes venyivi)
E Beetle, Hungerford's crawling water (Brychius hungerfordi)
E Beetle, Kretschmarr Cave mold (Texamaurops reddelli)
E Beetle, Mount Hermon June (Polyphylla barbata)
E Beetle, Tooth Cave ground (Rhadine persephone)
T Beetle, Valley elderberry longhorn (Desmocerus californicus dimorphus)
T Butterfly, Bay checkerspot (Euphydryas editha bayensis)
E Butterfly, Behren's silverspot (Speyeria zerene behrensii)
E Butterfly, Callippe silverspot (Speyeria callippe callippe)
E Butterfly, El Segundo blue (Euphilotes battoides allyni)
E Butterfly, Fender's blue (Icaricia icarioides fenderi)
E Butterfly, Karner blue (Lycaeides melissa samuelis)
E Butterfly, Lange's metalmark (Apodemia mormo langei)
E Butterfly, lotis blue (Lycaeides argyrognomon lotis)
E Butterfly, Mission blue (Icaricia icarioides missionensis)
E Butterfly, Mitchell's satyr (Neonympha mitchellii mitchellii)
E Butterfly, Myrtle's silverspot (Speyeria zerene myrtleae)
T Butterfly, Oregon silverspot (Speyeria zerene hippolyta)
E Butterfly, Palos Verdes blue (Glaucopsyche lygdamus palosverdesensis)
E Butterfly, Quino checkerspot [Euphydryas editha quino (=E. e. wrighti)]
E Butterfly, Saint Francis' satyr (Neonympha mitchellii francisci)
E Butterfly, San Bruno elfin (Callophrys mossii bayensis)
E Butterfly, Schaus swallowtail (Heraclides aristodemus ponceanus)
E Butterfly, Smith's blue (Euphilotes enoptes smithi)
E Butterfly, Uncompahgre fritillary (Boloria acrocnema)
E Dragonfly, Hine's emerald (Somatochlora hineana)
E Fly, Delhi Sands flower-loving (Rhaphiomidas terminatus abdominalis)
E Grasshopper, Zayante band-winged (Trimerotropis infantilis)
E Ground beetle, [unnamed] (Rhadine exilis)
E Ground beetle, [unnamed] (Rhadine infernalis)
E Moth, Blackburn's sphinx (Manduca blackburni)
T Moth, Kern primrose sphinx (Euproserpinus euterpe)
T Naucorid, Ash Meadows (Ambrysus amargosus)
E Skipper, Carson wandering (Pseudocopaeodes eunus obscurus)
E Skipper, Laguna Mountains (Pyrgus ruralis lagunae)
T Skipper, Pawnee montane (Hesperia leonardus montana)
T Tiger beetle, Northeastern beach (Cicindela dorsalis dorsalis)
E Tiger beetle, Ohlone (Cicindela ohlone)
T Tiger beetle, Puritan (Cicindela puritana)



Arachnids

Status Species Name  Common (Scientific)
E Harvestman, Bee Creek Cave (Texella reddelli)
E Harvestman, Bone Cave (Texella reyesi)
E Harvestman, Cokendolpher Cave (Texella cokendolpheri)
E Meshweaver, Braken Bat Cave (Cicurina venii)
E Meshweaver, Government Canyon Bat Cave (Cicurina vespera)
E Meshweaver, Madla's Cave (Cicurina madla)
E Meshweaver, Robber Baron Cave (Cicurina baronia)
E Pseudoscorpion, Tooth Cave (Tartarocreagris texana)
E Spider, Government Canyon Bat Cave (Neoleptoneta microps)
E Spider, Kauai cave wolf or pe'e pe'e maka 'ole (Adelocosa anops)
E Spider, Spruce-fir moss (Microhexura montivaga)
E Spider, Tooth Cave (Neoleptoneta myopica)



Crustaceans

Status Species Name  Common (Scientific)
E Amphipod, Hay's Spring (Stygobromus hayi)
E Amphipod, Illinois cave (Gammarus acherondytes)
E Amphipod, Kauai cave (Spelaeorchestia koloana)
E Amphipod, Peck's cave [Stygobromus (=Stygonectes) pecki]
E Crayfish, Cave (Cambarus aculabrum)
E Crayfish, Cave (Cambarus zophonastes)
E Crayfish, Nashville (Orconectes shoupi)
E Crayfish, Shasta (Pacifastacus fortis)
E Fairy shrimp, Conservancy (Branchinecta conservatio)
E Fairy shrimp, Longhorn (Branchinecta longiantenna)
E Fairy shrimp, Riverside (Streptocephalus woottoni)
E Fairy shrimp, San Diego (Branchinecta sandiegonensis)
T Fairy shrimp, Vernal pool (Branchinecta lynchi)
E Isopod, Lee County cave (Lirceus usdagalun)
T Isopod, Madison Cave (Antrolana lira)
E Isopod, Socorro (Thermosphaeroma thermophilus)
E Shrimp, Alabama cave (Palaemonias alabamae)
E Shrimp, California freshwater (Syncaris pacifica)
E Shrimp, Kentucky cave (Palaemonias ganteri)
T Shrimp, Squirrel Chimney Cave (Palaemonetes cummingi)
E Tadpole shrimp, Vernal pool (Lepidurus packardi)

ESA Species Status Codes
E -- Endangered
T -- Threatened
EmE -- Emergency Listing, Endangered
EmT -- Emergency Listing Threatened
EXPE, XE -- Experimental Population, Essential
EXPN, XN -- Experimental Population, Non-Essential
SAE, E(S/A) -- Similarity of Appearance to an Endangered Taxon
SAT, T(S/A) -- Similarity of Appearance to a Threatened Taxon
PE -- Proposed Endangered
PT -- Proposed Threatened
PEXPE, PXE -- Proposed Experimental Population, Essential
PEXPN, PXN -- Proposed Experimental Population, Non-Essential
PSAE, PE(S/A) -- Proposed Similarity of Appearance to an Endangered Taxon
PSAT, PT(S/A) -- Proposed Similarity of Appearance to a Threatened Taxon
C -- Candidate Taxon, Ready for Proposal
D3A -- Delisted Taxon, Evidently Extinct
D3B -- Delisted Taxon, Invalid Name in Current Scientific Opinion
D3C -- Delisted Taxon, Recovered
DA -- Delisted Taxon, Amendment of the Act
DM -- Delisted Taxon, Recovered, Being Monitored First Five Years
DO -- Delisted Taxon, Original Commercial Data Erroneous
DP -- Delisted Taxon, Discovered Previously Unknown Additional Populations and/or Habitat
DR -- Delisted Taxon, Taxonomic Revision (Improved Understanding)
AD -- Proposed Delisting
AE -- Proposed Reclassification to Endangered
AT -- Proposed Reclassification to Threatened.


ALERT!
Invertebrate species -- clams, snails, insects, arachnids and crustaceans -- on the earth are vanishing at an alarming rate -- 1,000 to 10,000 times faster than their natural rate of extinction!
LEARN MORE

 

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AUTHOR:
Jenny Setio

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Attn. Max Casebeau, Exec Director
Post Office Box 1778
Sun Valley, Idaho 83353

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