United States Fish and Wildlife Service list of threatened and endangered arthropods facts for kids
List of threatened and endangered arthropods, including insects, arachnids, and crustaceans under the United States Endangered Species Act as of October 2013.
Key to Listing Status codes:
E - Endangered. An animal or plant species in danger of extinction throughout all or a significant portion of its range.
T - Threatened. An animal or plant species likely to become endangered within the foreseeable future throughout all or a significant portion of its range.
SAE or SAT - Listed as Endangered or Threatened due to similarity of appearance. A species may be treated as endangered or threatened if it resembles in appearance a species which has been listed and enforcement personnel would have difficulty distinguishing between the listed and the unlisted species; if the effect of this difficulty is an additional threat to the listed species; and if such treatment of the unlisted species would improve protection for the listed species.
| Inverted common name | Scientific name | Species group | Historic range | Where listed | Listing status |
|---|---|---|---|---|---|
| Spider, Kauai cave wolf or pe'e pe'e maka 'ole | Adelocosa anops | Arachnids | U.S.A. (HI) | Entire | E |
| Meshweaver, Robber Baron Cave | Cicurina baronia | Arachnids | U.S.A. (TX). | Entire | E |
| Meshweaver, Madla's Cave Meshweaver, Braken Bat Cave |
Cicurina madla, syn. Cicurina venii | Arachnids | U.S.A. (TX). | Entire | E |
| Meshweaver, Government Canyon Bat Cave | Cicurina vespera | Arachnids | U.S.A. (TX). | Entire | E |
| Spider, Tooth Cave | Leptoneta myopica | Arachnids | U.S.A. (TX) | Entire | E |
| Spider, spruce-fir moss | Microhexura montivaga | Arachnids | U.S.A. (NC, TN) | Entire | E |
| Spider, Government Canyon Bat Cave | Tayshaneta microps | Arachnids | U.S.A. (TX). | Entire | E |
| Pseudoscorpion, Tooth Cave | Tartarocreagris texana | Arachnids | U.S.A. (TX) | Entire | E |
| Harvestman, Cokendolpher Cave | Texella cokendolpheri | Arachnids | U.S.A. (TX). | Entire | E |
| Harvestman, Bee Creek Cave | Texella reddelli | Arachnids | U.S.A. (TX) | Entire | E |
| Harvestman, Bone Cave | Texella reyesi | Arachnids | U.S.A. (TX) | Entire | E |
| Isopod, Madison Cave | Antrolana lira | Crustaceans | U.S.A. (VA) | Entire | T |
| Fairy shrimp, Conservancy | Branchinecta conservatio | Crustaceans | U.S.A. (CA) | Entire | E |
| Fairy shrimp, longhorn | Branchinecta longiantenna | Crustaceans | U.S.A. (CA) | Entire | E |
| Fairy shrimp, vernal pool | Branchinecta lynchi | Crustaceans | U.S.A. (CA, OR) | Entire | T |
| Fairy shrimp, San Diego | Branchinecta sandiegonensis | Crustaceans | U.S.A. (CA) | Entire | E |
| Crayfish, cave | Cambarus aculabrum | Crustaceans | U.S.A. (AR) | Entire | E |
| Crayfish, cave | Cambarus zophonastes | Crustaceans | U.S.A. (AR) | Entire | E |
| Amphipod, Illinois cave | Gammarus acherondytes | Crustaceans | U.S.A. (IL) | Entire | E |
| Amphipod, Noel's | Gammarus desperatus | Crustaceans | U.S.A. (NM) | Entire | E |
| Amphipod, diminutive | Gammarus hyalleloides | Crustaceans | U.S.A. (TX). | Entire | E |
| Tadpole shrimp, vernal pool | Lepidurus packardi | Crustaceans | U.S.A. (CA) | Entire | E |
| Isopod, Lee County cave | Lirceus usdagalun | Crustaceans | U.S.A. (VA) | Entire | E |
| Crayfish, Nashville | Orconectes shoupi | Crustaceans | U.S.A. (TN) | Entire | E |
| Crayfish, Shasta | Pacifastacus fortis | Crustaceans | U.S.A. (CA) | Entire | E |
| Shrimp, Squirrel Chimney Cave | Palaemonetes cummingi | Crustaceans | U.S.A. (FL) | Entire | T |
| Shrimp, Alabama cave | Palaemonias alabamae | Crustaceans | U.S.A. (AL) | Entire | E |
| Shrimp, Kentucky cave | Palaemonias ganteri | Crustaceans | U.S.A. (KY) | Entire | E |
| Amphipod, Kauai cave | Spelaeorchestia koloana | Crustaceans | U.S.A. (HI) | Entire | E |
| Fairy shrimp, Riverside | Streptocephalus woottoni | Crustaceans | U.S.A. (CA) | Entire | E |
| Amphipod, Peck's cave | Stygobromus (=Stygonectes) pecki | Crustaceans | U.S.A. (TX) | Entire | E |
| Amphipod, Hay's Spring | Stygobromus hayi | Crustaceans | U.S.A. (DC) | Entire | E |
| Shrimp, California freshwater | Syncaris pacifica | Crustaceans | U.S.A. (CA) | Entire | E |
| Isopod, Socorro | Thermosphaeroma thermophilum | Crustaceans | U.S.A. (NM) | Entire | E |
| Naucorid, Ash Meadows | Ambrysus amargosus | Insects | U.S.A. (NV) | Entire | T |
| Butterfly, Lange's metalmark | Apodemia mormo langei | Insects | U.S.A. (CA) | Entire | E |
| Beetle, Coffin Cave mold | Batrisodes texanus | Insects | U.S.A. (TX) | Entire | E |
| Beetle, Helotes mold | Batrisodes venyivi | Insects | U.S.A. (TX) | Entire | E |
| Butterfly, Uncompahgre fritillary | Boloria acrocnema | Insects | U.S.A. (CO) | Entire | E |
| Beetle, Hungerford's crawling water | Brychius hungerfordi | Insects | U.S.A. (MI, Canada) | Entire | E |
| Butterfly, San Bruno elfin | Callophrys mossii bayensis | Insects | U.S.A. (CA) | Entire | E |
| Tiger beetle, Northeastern beach | Cicindela dorsalis dorsalis | Insects | U.S.A. (CT, MA, MD, NJ, NY, PA, RI, VA) | Entire | T |
| Tiger beetle, Salt Creek | Cicindela nevadica lincolniana | Insects | U.S.A. (NE) | Entire | E |
| Tiger beetle, Ohlone | Cicindela ohlone | Insects | U.S.A. (CA) | Entire | E |
| Tiger beetle, Puritan | Cicindela puritana | Insects | U.S.A. (CT, MA, MD, NH, VT) | Entire | T |
| Butterfly, Miami Blue | Cyclargus (=Hemiargus) thomasi bethunebakeri | Insects | U.S.A. (FL) | Entire | E |
| Butterfly, nickerbean blue | Cyclargus ammon | Insects | Entire | SAT | |
| Beetle, valley elderberry longhorn | Desmocerus californicus dimorphus | Insects | U.S.A. (CA) | Entire | T |
| June Beetle, Caseys | Dinacoma caseyi | Insects | U.S.A. (CA) | Entire | E |
| Pomace fly, [unnamed] | Drosophila aglaia | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila differens | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila hemipeza | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila heteroneura | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila montgomeryi | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila mulli | Insects | U.S.A. (HI) | Entire | T |
| Pomace fly, [unnamed] | Drosophila musaphilia | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila neoclavisetae | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila obatai | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila ochrobasis | Insects | U.S.A. (HI) | Entire | E |
| Fly, Hawaiian picture-wing | Drosophila sharpi | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila substenoptera | Insects | U.S.A. (HI) | Entire | E |
| Pomace fly, [unnamed] | Drosophila tarphytrichia | Insects | U.S.A. (HI) | Entire | E |
| Beetle, delta green ground | Elaphrus viridis | Insects | U.S.A. (CA) | Entire | T |
| Butterfly, El Segundo blue | Euphilotes battoides allyni | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Smith's blue | Euphilotes enoptes smithi | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Bay checkerspot | Euphydryas editha bayensis | Insects | U.S.A. (CA) | Entire | T |
| Butterfly, Quino checkerspot | Euphydryas editha quino (=E. e. wrighti) | Insects | Entire | E | |
| Moth, Kern primrose sphinx | Euproserpinus euterpe | Insects | U.S.A. (CA) | Entire | T |
| Butterfly, Palos Verdes blue | Glaucopsyche lygdamus palosverdesensis | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, ceraunus blue | Hemiargus ceraunus antibubastus | Insects | Entire | SAT | |
| Butterfly, Schaus swallowtail | Heraclides aristodemus ponceanus | Insects | U.S.A. (FL) | Entire | E |
| Skipper, Pawnee montane | Hesperia leonardus montana | Insects | U.S.A. (CO) | Entire | T |
| Beetle, Comal Springs riffle | Heterelmis comalensis | Insects | U.S.A. (TX) | Entire | E |
| Butterfly, Fender's blue | Icaricia icarioides fenderi | Insects | U.S.A. | Entire | E |
| Butterfly, mission blue | Icaricia icarioides missionensis | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Mount Charleston blue | Icaricia shasta charlestonensis | Insects | U.S.A. (NV) | Entire | E |
| Butterfly, cassius blue | Leptotes cassius theonus | Insects | Entire | SAT | |
| Moth, Blackburn's sphinx | Manduca blackburni | Insects | U.S.A. (HI) | Entire | E |
| Damselfly, crimson Hawaiian | Megalagrion leptodemas | Insects | U.S.A. (HI) | Entire | E |
| Damselfly, flying earwig Hawaiian | Megalagrion nesiotes | Insects | U.S.A. (HI) | Entire | E |
| Damselfly, blackline Hawaiian | Megalagrion nigrohamatum nigrolineatum | Insects | U.S.A. (HI) | Entire | E |
| Damselfly, oceanic Hawaiian | Megalagrion oceanicum | Insects | U.S.A. (HI) | Entire | E |
| Damselfly, Pacific Hawaiian | Megalagrion pacificum | Insects | U.S.A. (HI) | Entire | E |
| Butterfly, Saint Francis' satyr | Neonympha mitchellii francisci | Insects | U.S.A. (NC) | Entire | E |
| Butterfly, Mitchell's satyr | Neonympha mitchellii mitchellii | Insects | U.S.A. (IN, MI, NJ, OH) | Entire | E |
| Beetle, American burying | Nicrophorus americanus | Insects | U.S.A. (eastern States south to FL, west to SD and TX), eastern Canada | Entire, except where listed as an experimental population | E |
| Butterfly, Luzon peacock swallowtail | Papilio chikae | Insects | Philippines | Entire | E |
| Butterfly, Homerus swallowtail | Papilio homerus | Insects | Jamaica | Entire | E |
| Butterfly, Corsican swallowtail | Papilio hospiton | Insects | Corsica, Sardinia | Entire | E |
| Butterfly, lotis blue | Plebejus idas lotis | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Karner blue | Plebejus melissa samuelis | Insects | U.S.A. (IL, IN, MA, MI, MN, NH, NY, OH, PA, WI), Canada (Ont.) | Entire | E |
| Beetle, Mount Hermon June | Polyphylla barbata | Insects | U.S.A. (CA) | Entire | E |
| Skipper, Carson wandering | Pseudocopaeodes eunus obscurus | Insects | U.S.A. (CA, NV) | U.S.A., (Lassen County, CA; Washoe County, NV) | E |
| Skipper, Laguna Mountains | Pyrgus ruralis lagunae | Insects | U.S.A. (CA) | Entire | E |
| Ground beetle, [unnamed] | Rhadine exilis | Insects | U.S.A. (TX) | Entire | E |
| Ground beetle, [unnamed] | Rhadine infernalis | Insects | U.S.A. (TX) | Entire | E |
| Beetle, Tooth Cave ground | Rhadine persephone | Insects | U.S.A. (TX) | Entire | E |
| Fly, Delhi Sands flower-loving | Rhaphiomidas terminatus abdominalis | Insects | U.S.A. (CA) | Entire | E |
| Dragonfly, Hine's emerald | Somatochlora hineana | Insects | U.S.A. (IL, IN, OH, WI) | Entire | E |
| Butterfly, callippe silverspot | Speyeria callippe callippe | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Behren's silverspot | Speyeria zerene behrensii | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Oregon silverspot | Speyeria zerene hippolyta | Insects | U.S.A. (CA, OR, WA) | Entire | T |
| Butterfly, Myrtle's silverspot | Speyeria zerene myrtleae | Insects | U.S.A. (CA) | Entire | E |
| Beetle, Comal Springs dryopid | Stygoparnus comalensis | Insects | U.S.A. (TX) | Entire | E |
| Beetle, Kretschmarr Cave mold | Texamaurops reddelli | Insects | U.S.A. (TX) | Entire | E |
| Grasshopper, Zayante band-winged | Trimerotropis infantilis | Insects | U.S.A. (CA) | Entire | E |
| Butterfly, Queen Alexandra's birdwing | Troides alexandrae | Insects | Papua New Guinea | Entire | E |
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United States Fish and Wildlife Service list of threatened and endangered arthropods Facts for Kids. Kiddle Encyclopedia.