Find out what mammals, insects, fish, plants, etc. are endangered here. Use the selection box below to view full lists by group.
The following is a list of all endangered insects.
| | Species Name | Scientific Name | Range |
|---|
| 1. | Acanthomyops latipes | Acanthomyops latipes | Michigan, Virgin Islands |
| 2. | Acanthomyops murphyi | Acanthomyops murphyi | Maryland |
| 3. | Acilius duvergeri | Acilius duvergeri | Algeria, Italy, Morocco, Portugal, Spain |
| 4. | Acuminate Snaketail | Ophiogomphus acuminatus | Alabama, Tennessee |
| 5. | Adam's Shadowdamsel | Drepanosticta adami | Sri Lanka |
| 6. | Aeshna yemenensis | Aeshna yemenensis | Yemen |
| 7. | Africallagma cuneistigma | Africallagma cuneistigma | Zimbabwe |
| 8. | Agabus discicollis | Agabus discicollis | Ethiopia |
| 9. | Agabus clypealis | Agabus clypealis | Denmark, Germany, Latvia, Poland, Russia, Sweden |
| 10. | Agabus hozgargantae | Agabus hozgargantae | Spain |
| 11. | Agriades zullichi | Agriades zullichi | Spain |
| 12. | Agriocnemis palaeforma | Agriocnemis palaeforma | Uganda |
| 13. | Alaena margaritacea | Alaena margaritacea | South Africa |
| 14. | Alajuela Knobtail | Epigomphus subsimilis | Costa Rica |
| 15. | Algerian Clubtail | Gomphus lucasii | Algeria, Tunisia |
| 16. | Aloeides caledoni | Aloeides caledoni | South Africa |
| 17. | Aloeides carolynnae | Aloeides carolynnae | South Africa |
| 18. | Aloeides dentatis | Aloeides dentatis | Lesotho, South Africa |
| 19. | Aloeides egerides | Aloeides egerides | South Africa |
| 20. | Aloeides kaplani | Aloeides kaplani | South Africa |
| 21. | Aloeides lutescens | Aloeides lutescens | South Africa |
| 22. | Aloeides merces | Aloeides merces | South Africa |
| 23. | Aloeides nollothi | Aloeides nollothi | South Africa |
| 24. | Aloeides nubilus | Aloeides nubilus | South Africa |
| 25. | Aloeides pringlei | Aloeides pringlei | South Africa |
| 26. | Aloeides rossouwi | Aloeides rossouwi | South Africa |
| 27. | Amani Flatwing | Amanipodagrion gilliesi | Tanzania |
| 28. | Amatola Malachite | Chlorolestes apricans | South Africa (Eastern Cape Province) |
| 29. | American Burying Beetle | Nicrophorus americanus | Eastern Canada, USA Eastern States south to Florida, west to South Dakota and Texas |
| 30. | Ancient Greenling | Hemiphlebia mirabilis | Australia (Tasmania and Victoria) |
| 31. | Andaman Crow | Euploea andamanensis | India, Myanmar |
| 32. | Angled Tiger | Parantica garamantis | Papua New Guinea, Solomon Islands |
| 33. | Anisogomphus solitaris | Anisogomphus solitaris | Sri Lanka |
| 34. | Anoplolepis nuptialis | Anoplolepis nuptialis | South Africa |
| 35. | Antichthonidris bidentatus | Antichthonidris bidentatus | Argentina |
| 36. | Aphaenogaster bidentatus | Aphaenogaster bidentatus | United States |
| 37. | Apollo Butterfly | Parnassius apollo | Asia, Europe, Middle East |
| 38. | Appalachian Snaketail | Ophiogomphus incurvatus | Alabama, Maryland, North Carolina, South Carolina, Tennessee, Virginia, West Virginia |
| 39. | Arawacus aethesa | Arawacus aethesa | Brazil |
| 40. | Arizona Giant Sand Treader Cricket | Daihinibaenetes arizonensis | Arizona |
| 41. | Asiagomphus yayeyamensis | Asiagomphus yayeyamensis | Japan |
| 42. | Aslauga australis | Aslauga australis | South Africa |
| 43. | Atlas Goldenring | Cordulegaster princeps | Morocco |
| 44. | Atrophaneura jophon | Atrophaneura jophon | Sri Lanka |
| 45. | Atrophaneura atropos | Atrophaneura atropos | Philippines |
| 46. | Atrophaneura luchti | Atrophaneura luchti | Indonesia |
| 47. | Atrophaneura schadenbergi | Atrophaneura schadenbergi | Philippines |
| 48. | Austin's Shadowdamsel | Drepanosticta austeni | Sri Lanka |
| 49. | Australian Ant | Nothomyrmecia macrops | Australia |
| 50. | Austrosaga spinifer | Austrosaga spinifer | Australia |
| 51. | Avalon Hairstreak | Strymon avalona | California |
| 52. | Badplaas Black Millipede | Doratogonus furculifer | South Africa (Mpumalanga) |
| 53. | Baetica ustulata | Baetica ustulata | Spain |
| 54. | Bathurst Copper | Paralucia spinifera | Australia |
| 55. | Bayadera ishigakiana | Bayadera ishigakiana | Japan |
| 56. | Bearded Black Millipede | Doratogonus barbatus | South Africa |
| 57. | Beautiful Petaltail | Petalura pulcherrima | Australia (Queensland) |
| 58. | Bedford-russell's Tree-nymph | Idea tambusisiana | Indonesia |
| 59. | Bekko Tombo | Libellula angelina | China, Japan, Korea |
| 60. | Belkin's Dune Tabanid Fly | Brennania belkini | California, Mexico |
| 61. | Belle's Sanddragon | Progomphus bellei | Alabama, Florida, North Carolina |
| 62. | Biak Dark Crow | Euploea albicosta | Indonesia |
| 63. | Biak Threespot Crow | Euploea tripunctata | Indonesia |
| 64. | Biak Tiger | Parantica marcia | Indonesia |
| 65. | Bienkotetrix transsylvanicus | Bienkotetrix transsylvanicus | Hungary, Romania |
| 66. | Big Pine Key Conehead Katydid | Belocephalus micanopy | Florida |
| 67. | Black-backed Shadowdamsel | Palaemnema melanota | Costa Rica |
| 68. | Black-banded Bannerwing | Kalocora aurea | Colombia |
| 69. | Blackburn's Sphinx Moth | Manduca blackburni | Hawaii |
| 70. | Blind Cave Beetle | Glacicavicola bathysciodes | United States |
| 71. | Blue-and-orange Threadtail | Microneura caligata | Cuba |
| 72. | Boisduval's Blue Butterfly | Icaricia icarioides | California, Oregon |
| 73. | Boninagrion ezoin | Boninagrion ezoin | Japan |
| 74. | Bonthain Tiger | Parantica sulewattan | Indonesia |
| 75. | Bordered Knob-tipped Shadowdamsel | Drepanosticta submontana | Sri Lanka |
| 76. | Brenton Blue Butterfly | Orachrysops niobe | South Africa |
| 77. | Bristle-tipped Sanddargon | Progomphus tennesseni | Dominican Republic |
| 78. | Burmagomphus sivalikensis | Burmagomphus sivalikensis | India |
| 79. | Buru Opalescent Birdwing | Troides prattorum | Indonesia |
| 80. | Cacao Shadowdamsel | Palaemnema baltodanoi | Costa Rica |
| 81. | Callippe Silverspot Butterfly | Speyeria callippe callippe | California |
| 82. | Calopteryx hyalina | Calopteryx hyalina | Jordan, Syria |
| 83. | Calopteryx syriaca | Calopteryx syriaca | Israel, Israel (Palestinian Territory, Occupied), Jordan, Lebanon, Syria |
| 84. | Calopteryx exul | Calopteryx exul | Algeria, Morocco, Tunisia |
| 85. | Calvert's Emerald | Somatochlora calverti | Alabama, Florida, South Carolina |
| 86. | Camponotus universitatis | Camponotus universitatis | France, Germany, Switzerland |
| 87. | Canary Islands Large White | Pieris cheiranthi | Spain (Canary Islands) |
| 88. | Cape Stag Beetle | Colophon berrisfordi | South Africa |
| 89. | Cape Stag Beetle | Colophon cassoni | South Africa |
| 90. | Cape Stag Beetle | Colophon montisatris | South Africa |
| 91. | Cape Stag Beetle | Colophon primosi | South Africa |
| 92. | Cape Stag Beetle | Colophon barnardi | South Africa |
| 93. | Cape Stag Beetle | Colophon eastmani | South Africa |
| 94. | Cape Stag Beetle | Colophon haughtoni | South Africa |
| 95. | Cape Stag Beetle | Colophon thunbergi | South Africa |
| 96. | Cape Stag Beetle | Colophon whitei | South Africa |
| 97. | Cape Stag Beetle | Colophon cameroni | South Africa |
| 98. | Cape Stag Beetle | Colophon neli | South Africa |
| 99. | Cape Stag Beetle | Colophon stokoei | South Africa |
| 100. | Cape Stag Beetle | Colophon westwoodi | South Africa |
| 101. | Cape Thorntail | Ceratogomphus triceraticus | South Africa |
| 102. | Carabo Beetle | Carabus olympiae | France, Italy |
| 103. | Cardiocondyla zoserka | Cardiocondyla zoserka | Nigeria |
| 104. | Carson Wandering Skipper | Pseudocopaeodes eunus obscurus | California, Nevada |
| 105. | Cartago Knobtail | Epigomphus verticicornis | Costa Rica |
| 106. | Cataglyphis hannae | Cataglyphis hannae | Tunisia |
| 107. | Cataract Hooktail | Paragomphus cataractae | Namibia, Zambia, Zimbabwe |
| 108. | Cephalaeschna acutifrons | Cephalaeschna acutifrons | India |
| 109. | Cerambyx Longicorn | Cerambyx cerdo | Africa, Asia, Europe, Middle East |
| 110. | Ceres Featherlegs | Metacnemis angusta | South Africa (Western Cape Province) |
| 111. | Chalepoxenus brunneus | Chalepoxenus brunneus | Algeria, Morocco |
| 112. | Chalepoxenus kutteri | Chalepoxenus kutteri | France |
| 113. | Chalepoxenus muellerianus | Chalepoxenus muellerianus | Italy |
| 114. | Chalepoxenus spinosus | Chalepoxenus spinosus | Kazakhstan |
| 115. | Chalepoxenus tarbinskii | Chalepoxenus tarbinskii | Kyrgyzstan |
| 116. | Chalepoxenus tauricus | Chalepoxenus tauricus | Ukraine |
| 117. | Chalepoxenus tramieri | Chalepoxenus tramieri | Morocco |
| 118. | Chalepoxenus zabelini | Chalepoxenus zabelini | Turkmenistan |
| 119. | Cherokee Clubtail | Gomphus consanguis | United States |
| 120. | Chiriquita Shadowdamsel | Palaemnema chiriquita | Costa Rica |
| 121. | Chlorocnemis montana | Chlorocnemis montana | Malawi, Tanzania |
| 122. | Chlorocnemis abbotti | Chlorocnemis abbotti | Kenya, Malawi, Tanzania |
| 123. | Chlorocnemis pauli | Chlorocnemis pauli | Democratic Republic of Congo (Zaire), Kenya, Nigeria, Uganda |
| 124. | Chlorocypha molindica | Chlorocypha molindica | Burundi, Democratic Republic of Congo (Zaire), Republic of Congo, Rwanda, Uganda |
| 125. | Chlorocypha schmidti | Chlorocypha schmidti | Democratic Republic of Congo (Zaire), Republic of Congo, Tanzania |
| 126. | Chlorocypha bambtoni | Chlorocypha bambtoni | Angola |
| 127. | Chlorocypha jacksoni | Chlorocypha jacksoni | Democratic Republic of Congo (Zaire), Republic of Congo, Uganda |
| 128. | Chlorogomphus iriomotensis | Chlorogomphus iriomotensis | Japan |
| 129. | Chlorogomphus okinawensis | Chlorogomphus okinawensis | Japan |
| 130. | Chortipphus acroleucus | Chortipphus acroleucus | Hungary, Romania |
| 131. | Chrysoritis cotrelli | Chrysoritis cotrelli | South Africa |
| 132. | Ciervo Scarab Beetle | Aegialia concinna | California |
| 133. | Cinquefoil Skipper | Pyrgus cirsii | Andorra, Austria, France, Germany, Italy, Portugal, Spain, Switzerland, Turkey |
| 134. | Coachelia Giant Sand Treader Cricket | Macrobaenetes valgum | California |
| 135. | Coachella Valley Jerusalem Cricket | Stenopelmatus cahuilaensis | California |
| 136. | Coenagriocnemis insularis | Coenagriocnemis insularis | Mauritius |
| 137. | Coenagrion syriacum | Coenagrion syriacum | Israel, Lebanon, Syria, Turkey |
| 138. | Coffin Cave Mold Beetle | Batrisodes texanus | Texas |
| 139. | Columbia Clubtail | Gomphus lynnae | Oregon, Washington |
| 140. | Columbia River Tiger Beetle | Cicindela columbica | Idaho, Oregon, Washington |
| 141. | Comal Springs Dryopid Beetle | Stygoparnus comalensis | Texas |
| 142. | Comal Springs Riffle Beetle | Heterelmis comalensis | Texas |
| 143. | Comoro Friar | Amauris comorana | Indian Ocean (Comoro Islands) |
| 144. | Cordelia's Crow | Euploea cordelia | Indonesia |
| 145. | Corsican Swallowtail | Papilio hospiton | Corsica, Sardinia |
| 146. | Coryphagrion grandis | Coryphagrion grandis | Kenya, Tanzania |
| 147. | Cream-banded Swallowtail | Papilio leucotaenia | Burundi, Rwanda, Uganda |
| 148. | Crematogaster atilanica | Crematogaster atilanica | Guatemala |
| 149. | Crematogaster pilosa | Crematogaster pilosa | United States |
| 150. | Crenigomphus abyssinicus | Crenigomphus abyssinicus | Ethiopia |
| 151. | Crenigomphus denticulatus | Crenigomphus denticulatus | Ethiopia |
| 152. | Cresent Dune Scarab Beetle | Aegialia crescenta | Nevada |
| 153. | Cretan Spotted Darner | Boyeria cretensis | Greece |
| 154. | Crimson Hawaiian Damselfly | Megalagrion leptodemas | Hawaii |
| 155. | Cromwell Chafer Beetle | Prodontria lewisi | New Zealand |
| 156. | Crow Tiger | Tirumala euploeomorpha | Solomon Islands |
| 157. | Cuban Bluet | Enallagma truncatum | Cuba |
| 158. | Cuban Hypolestes | Hypolestes trinitatis | Cuba |
| 159. | Cucujus cinnaberinus | Cucujus cinnaberinus | Austria, Belarus, Czech Republic, Estonia, Finland, Germany, Hungary, Latvia, Lithuania, Montenegro, Norway, Poland, Romania, Russia, Serbia, Slovakia, Sweden |
| 160. | Cyanophrys bertha | Cyanophrys bertha | Brazil |
| 161. | Cyclogomphus gynostylus | Cyclogomphus gynostylus | Sri Lanka |
| 162. | D'Abrera's Tiger | Parantica dabrerai | Indonesia |
| 163. | Dakota Skipper | Hesperia dacotae | Canada, United States |
| 164. | Dannatt's Tiger | Parantica dannatti | Philippines |
| 165. | Dark Guest Ant | Anergates atratulus | Europe |
| 166. | Dark Knob-tipped Shadowdamselfly | Drepanosticta montana | Sri Lanka |
| 167. | Dark-winged Groundling | Brachythemis fuscopalliata | Iran, Iraq, Israel, Syria, Turkey |
| 168. | David's Tiger | Parantica davidi | Philippines |
| 169. | Delhi Sands Flower-loving Fly | Rhaphiomidas terminatus abdominalis | California |
| 170. | Delta Green Ground Beetle | Elaphrus viridis | California |
| 171. | Deronectes aljibensis | Deronectes aljibensis | Spain |
| 172. | Deronectes depressicollis | Deronectes depressicollis | Spain |
| 173. | Deronectes ferrugineus | Deronectes ferrugineus | Portugal |
| 174. | Desert Monkey Grasshopper | Psychomastatix deserticola | United States |
| 175. | Dickson's Copper | Oxychaeta dicksoni | South Africa |
| 176. | Diminutive Clubtail | Gomphus diminutus | Georgia, North Carolina, South Carolina, Tennessee |
| 177. | Donnelly's Knobtail | Epigomphus donnellyi | Mexico (Vera Cruz) |
| 178. | Doronomyrmex goesswaldi | Doronomyrmex goesswaldi | France, Switzerland |
| 179. | Doronomyrmex kutteri | Doronomyrmex kutteri | Germany |
| 180. | Doronomyrmex pacis | Doronomyrmex pacis | Switzerland |
| 181. | Doronomyrmex pocahontas | Doronomyrmex pocahontas | Canada |
| 182. | Dorymyrmex insanus | Dorymyrmex insanus | United States |
| 183. | Dracula Ant | Adetomyrma venatrix | Madagascar |
| 184. | Dytiscus latissimus | Dytiscus latissimus | Austria, Belarus, Bosnia and Herzegovina, Czech Republic, Denmark, Finland, Italy, Latvia, Norway, Poland, Russia, Sweden, Ukraine |
| 185. | Edmund's Snaketail | Ophiogomphus edmundo | Georgia, North Carolina, Tennessee |
| 186. | El Segundo Blue Butterfly | Euphilotes battoides allyni | California |
| 187. | Elattoneura pasquinii | Elattoneura pasquinii | Ethiopia |
| 188. | Electra's Tree-nymph | Idea electra | Philippines |
| 189. | Elegant Malachite | Chlorolestes elegans | Malawi, Mozambique, South Africa, Zimbabwe |
| 190. | Elongate Shadowdamsel | Palaemnema gigantula | Costa Rica, Nicaragua |
| 191. | Elusive Sanddragon | Progomphus zephyrus | Dominican Republic |
| 192. | Epimyrma adlerzi | Epimyrma adlerzi | Greece |
| 193. | Epimyrma africana | Epimyrma africana | Algeria |
| 194. | Epimyrma algeriana | Epimyrma algeriana | Algeria |
| 195. | Epimyrma bernardi | Epimyrma bernardi | Spain |
| 196. | Epimyrma corsica | Epimyrma corsica | France |
| 197. | Epimyrma goridaghini | Epimyrma goridaghini | Russia |
| 198. | Epimyrma kraussei | Epimyrma kraussei | Italy |
| 199. | Epimyrma ravouxi | Epimyrma ravouxi | France |
| 200. | Epimyrma stumperi | Epimyrma stumperi | Switzerland |
| 201. | Epimyrma tamarae | Epimyrma tamarae | Georgia (Eurasia) |
| 202. | Epimyrma zaleskyi | Epimyrma zaleskyi | Czech Republic |
| 203. | Erebia epistgyne | Erebia epistgyne | France, Spain |
| 204. | Erikssonia acraeina | Erikssonia acraeina | Democratic Republic of Congo (Zaire), South Africa, Zambia |
| 205. | Ethiopian Highlander | Atoconeura aethiopica | Ethiopia |
| 206. | Everglades Sprite | Nehalennia pallidula | Florida |
| 207. | Fabulous Green Sphinx Moth | Tinostoma smaragditis | Hawaii |
| 208. | Father Schoenig's Chocolate | Parantica schoenigi | Philippines |
| 209. | Felder's Tiger | Parantica phyle | Philippines |
| 210. | Flint's Knobtail | Epigomphus flinti | Mexico (Oaxaca) |
| 211. | Flores Tiger | Parantica wegneri | Indonesia |
| 212. | Fluminense Swallowtail | Parides ascanius | Brazil |
| 213. | Flying Earwig Hawaiian Damselfly | Megalagrion nesiotes | Hawaii |
| 214. | Formica dirksi | Formica dirksi | United States |
| 215. | Formica talbotae | Formica talbotae | United States |
| 216. | Formicoxenus chamberlini | Formicoxenus chamberlini | United States |
| 217. | Formicoxenus nitidulus | Formicoxenus nitidulus | Austria, Denmark, Finland, France, Germany, Italy, Norway, Poland, Sweden, Switzerland |
| 218. | Formicoxenus provancheri | Formicoxenus provancheri | Canada, United States |
| 219. | Formicoxenus quebecensis | Formicoxenus quebecensis | Canada |
| 220. | Formicoxenus sibiricus | Formicoxenus sibiricus | Russia |
| 221. | Four-spot Midget | Mortonagrion hirosei | Hong Kong, Japan |
| 222. | Franklin's Bumble Bee | Bombus franklini | California, Oregon |
| 223. | Frigate Island Giant Tenebrionid Beetle | Polposipus herculeanus | Indian Ocean (Seychelles) |
| 224. | Furhstorfer's Jungle Watcher | Hylaeothemis fruhstorferi | Sri Lanka |
| 225. | Gammon's Riffle Beetle | Stenelmis gammoni | Alabama, North Carolina, Virginia |
| 226. | Giant Torrent Midge | Edwardsina gigantea | Australia |
| 227. | Giuliani's Dune Scarab Beetle | Pseudocotalpa giulianii | Nevada |
| 228. | Globose Dune Beetle | Coelus globosus | California, Mexico |
| 229. | Golden Dancing-jewel | Platycypha auripes | Tanzania |
| 230. | Goldstreifiger | Buprestis splendens | Albania, Austria, Belarus, Denmark, Finland, Greece, Poland, Russia, Serbia and Montenegro, Spain, Sweden |
| 231. | Graphium levassori | Graphium levassori | Indian Ocean (Comoro Islands) |
| 232. | Graphium sandawanum | Graphium sandawanum | Philippines |
| 233. | Graphium epaminondas | Graphium epaminondas | India |
| 234. | Graphium idaeoides | Graphium idaeoides | Philippines |
| 235. | Graphium meeki | Graphium meeki | Papua New Guinea, Solomon Islands |
| 236. | Graphium megaera | Graphium megaera | Philippines |
| 237. | Graphium procles | Graphium procles | Malaysia |
| 238. | Graphium stresemanni | Graphium stresemanni | Indonesia |
| 239. | Graphoderus bilineatus | Graphoderus bilineatus | Asia, Europe, Middle East |
| 240. | Graptodytes delectus | Graptodytes delectus | Spain (Canary Islands) |
| 241. | Greek Goldenwing | Cordulegaster helladica | Greece |
| 242. | Greek Red Damsel | Pyrrhosoma elisabethae | Albania, Greece |
| 243. | Ground Beetle | Rhadine exilis | Texas |
| 244. | Ground Beetle | Rhadine infernalis | Texas |
| 245. | Guatemalan Knobtail | Epigomphus clavatus | Guatemala |
| 246. | Guatemalan Rubyspot | Hetaerina rudis | Guatemala, Mexico |
| 247. | Hajar Wadi Damsel | Arabineura khalidi | Oman, United Arab Emirates |
| 248. | Harpagoxenus canadensis | Harpagoxenus canadensis | Canada, United States |
| 249. | Harpagoxenus canadensis | Harpagoxenus canadensis | Canada, United States |
| 250. | Harpagoxenus sublaevis | Harpagoxenus sublaevis | Austria, France, Germany, Italy, Switzerland |
| 251. | Harpgoxenus zaisanicus | Harpgoxenus zaisanicus | Mongolia |
| 252. | Helotes Mold Beetle | Batrisodes venyivi | Texas |
| 253. | Hemicordulia ogasawarensis | Hemicordulia ogasawarensis | Japan |
| 254. | Hemicordulia okinawensis | Hemicordulia okinawensis | Japan |
| 255. | Hemisaga elongata | Hemisaga elongata | Australia |
| 256. | Hemisaga lucifer | Hemisaga lucifer | Australia |
| 257. | Hemisaga vepreculae | Hemisaga vepreculae | Australia |
| 258. | Herbert's Black Millipede | Doratogonus herberti | South Africa |
| 259. | Hermes Copper | Lycaena hermes | California, Mexico |
| 260. | Hermit Beetle | Osmoderma eremita | Asia, Europe |
| 261. | Higgin's Anomalous Blue | Polyommatus galloi | Italy |
| 262. | Hine's Emerald Dragonfly | Somatochlora hineana | Illinois, Indiana, Ohio, Wisconsin |
| 263. | Hipparchia azorina | Hipparchia azorina | Portugal |
| 264. | Hipparchia maderensis | Hipparchia maderensis | Portugal |
| 265. | Hipparchia occidentalis | Hipparchia occidentalis | Portugal |
| 266. | Hispaniolan Malachite | Phylolestes ethelae | Dominican Republic, Haiti |
| 267. | Hodges' Clubtail | Gomphus hodgesi | Alabama, Florida, Louisiana, Mississippi |
| 268. | Hoffman's Black Millipede | Doratogonus hoffmani | South Africa |
| 269. | Horned Knobtail | Epigomphus corniculatus | Costa Rica |
| 270. | Howarth's Cave Cricket | Caconemobius howarthi | Hawaii |
| 271. | Humped Knobtail | Epigomphus camelus | Costa Rica |
| 272. | Hungerford's Crawling Water Beetle | Brychius hungerfordi | Canada, Michigan |
| 273. | Hydrotarsus compunctus | Hydrotarsus compunctus | Spain (Canary Islands) |
| 274. | Hydrotarsus pilosus | Hydrotarsus pilosus | Spain (Canary Islands) |
| 275. | Idaho Point-headed Grasshopper | Acrolophitus pulchellus | Idaho |
| 276. | Ideopsis hewitsonii | Ideopsis hewitsonii | Indonesia |
| 277. | Ideopsis oberthurii | Ideopsis oberthurii | Indonesia |
| 278. | Idomacromia jillianae | Idomacromia jillianae | Uganda |
| 279. | Illidge's Ant-blue (Butterfly) | Acrodipsas illidgei | Australia |
| 280. | Indolestes boninensis | Indolestes boninensis | Japan |
| 281. | Ischnura abyssinica | Ischnura abyssinica | Ethiopia |
| 282. | Ischnura gemina | Ischnura gemina | California |
| 283. | Isophya harzi | Isophya harzi | Hungary, Romania |
| 284. | Italian Goldenring | Cordulegaster trinacriae | Italy |
| 285. | Ivory-faced Flatwing | Heteragrion eboratum | Guatemala, Honduras, Nicaragua |
| 286. | Ixalodectes flectocercus | Ixalodectes flectocercus | Australia |
| 287. | Jamaican Giant Swallowtail Butterfly | Pterourus homerus | Jamaica |
| 288. | Jamaican Hypolestes | Hypolestes clara | Jamaica |
| 289. | Jamaican Kite | Eurytides marcellinus | Jamaica |
| 290. | Japanese Ant | Polyergus samurai | Japan |
| 291. | Joiceya praeclarus | Joiceya praeclarus | Brazil |
| 292. | Jordan's Swallowtail | Papilio jordani | Indonesia |
| 293. | Jungle Threadtail | Elattoneura caesia | Sri Lanka |
| 294. | Karkloof Blue Butterfly | Orachrysops ariadne | South Africa |
| 295. | Karner Blue Butterfly  | Lycaeides melissa samuelis | Canada (Ontario), Illinois, Indiana, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Wisconsin |
| 296. | Kauai Thin-footed Bush Cricket | Thaumatogryllus variegatus | Hawaii |
| 297. | Kaumana Cave Cricket | Caconemobius varius | Hawaii |
| 298. | Kawanphila pachomai | Kawanphila pachomai | Australia |
| 299. | Kelso Giant Sand Treader Cricket | Macrobaenetes kelsoensis | California |
| 300. | Kelso Jerusalem Cricket | Ammopelmatus kelsoensis | California |
| 301. | Keys Scaly Cricket | Cycloptilum irregularis | Florida |
| 302. | Keys Short-winged Conehead Katydid | Belocephalus sleighti | Florida |
| 303. | Kretschmarr Cave Mold Beetle | Texamaurops reddelli | Texas |
| 304. | Kubusi Featherlegs | Metacnemis valida | South Africa (Eastern Cape Province) |
| 305. | Kuekenthal's Yellow Tiger | Parantica kuekenthali | Indonesia |
| 306. | Kyidris media | Kyidris media | Papua New Guinea |
| 307. | Kyidris yaleogyna | Kyidris yaleogyna | Papua New Guinea |
| 308. | Laguna Mountains Skipper | Pyrgus ruralis lagunae | California |
| 309. | Lange's Metalmark Butterfly | Apodemia mormo langei | California |
| 310. | Large Blue Lake Mayfly | Tasmanophlebi lacus-coerulei | Australia |
| 311. | Laricis Tree Cricket | Oecanthus laricis | Michigan, Ohio |
| 312. | Lasius reginae | Lasius reginae | Austria |
| 313. | Lepidochrysops lotana | Lepidochrysops lotana | South Africa |
| 314. | Lepidochrysops badhami | Lepidochrysops badhami | South Africa |
| 315. | Lepidochrysops balli | Lepidochrysops balli | South Africa |
| 316. | Lepidochrysops jefferyi | Lepidochrysops jefferyi | South Africa |
| 317. | Lepidochrysops littoralis | Lepidochrysops littoralis | South Africa |
| 318. | Lepidochrysops loewensteini | Lepidochrysops loewensteini | South Africa |
| 319. | Lepidochrysops oosthuizeni | Lepidochrysops oosthuizeni | Lesotho, South Africa |
| 320. | Lepidochrysops outeniqua | Lepidochrysops outeniqua | South Africa |
| 321. | Lepidochrysops penningtoni | Lepidochrysops penningtoni | South Africa |
| 322. | Lepidochrysops pephredo | Lepidochrysops pephredo | South Africa |
| 323. | Lepidochrysops poseidon | Lepidochrysops poseidon | South Africa |
| 324. | Lepidochrysops pringlei | Lepidochrysops pringlei | South Africa |
| 325. | Lepidochrysops quickelbergei | Lepidochrysops quickelbergei | South Africa |
| 326. | Lepidochrysops swanepoeli | Lepidochrysops swanepoeli | South Africa |
| 327. | Lepidochrysops titei | Lepidochrysops titei | South Africa |
| 328. | Lepidochrysops victori | Lepidochrysops victori | South Africa |
| 329. | Lepidochrysops wykehami | Lepidochrysops wykehami | South Africa |
| 330. | Leptogomphus yayeyamensis | Leptogomphus yayeyamensis | Japan |
| 331. | Leptothorax buschingeri | Leptothorax buschingeri | Switzerland |
| 332. | Leptothorax duloticus | Leptothorax duloticus | United States |
| 333. | Leptothorax faberi | Leptothorax faberi | Canada |
| 334. | Leptothorax minutissimus | Leptothorax minutissimus | United States |
| 335. | Lichen Weevil | Gymnopholus lichenifer | Papua New Guinea |
| 336. | Limon Knobtail | Epigomphus houghtoni | Costa Rica |
| 337. | Little Wood Elf | Sciotropis cyclanthorum | Venezuela |
| 338. | Lokia coryndoni | Lokia coryndoni | Uganda |
| 339. | Lompoc Grasshopper | Trimerotropis occulens | California |
| 340. | Long-horned Beetle | Macrodontia cervicornis | Brazil, Peru |
| 341. | Lord Howe Island Stick-insect | Dryococelus australis | Australia |
| 342. | Lotis Blue Butterfly | Lycaeides argyrognomon lotis | California |
| 343. | Ludlow's Bhutan Swallowtail | Bhutanitis ludlowi | Bhutan |
| 344. | Luzon Peacock Swallowtail | Papilio chikae | Philippines |
| 345. | Lycaena ottomanus | Lycaena ottomanus | Albania, Bosnia and Herzegovina, Croatia, Greece, Montenegro, Republic of Macedonia, Turkey |
| 346. | Lyrate Grappletail | Heliogomphus lyratus | Sri Lanka |
| 347. | Macromia flinti | Macromia flinti | Sri Lanka |
| 348. | Macromia kubokaiya | Macromia kubokaiya | Japan |
| 349. | Macromia margarita | Macromia margarita | United States |
| 350. | Macromia splendens | Macromia splendens | France, Portugal, Spain |
| 351. | Macromidia ishidai | Macromidia ishidai | Japan |
| 352. | Madagascan Friar | Amauris nossima | Indian Ocean (Comoros), Madagascar, Mayotte |
| 353. | Madeira Brimstone (Butterfly) | Gonepteryx maderensis | Portugal (Madeira) |
| 354. | Madeiran Large White | Pieris wollastoni | Portugal (Madeira) |
| 355. | Mahogany Presba | Syncordulia venator | South Africa |
| 356. | Major Black Millipede | Doratogonus major | South Africa (KwaZulu-Natal) |
| 357. | Manica parasitica | Manica parasitica | California |
| 358. | Marbled Malachite | Ecchlorolestes peringueyi | South Africa |
| 359. | Mascarene Crow | Euploea euphon | Indian Ocean (Reunion), Mauritius |
| 360. | Mauritian Friar | Amauris phoedon | Mauritius |
| 361. | Mauve Bluet | Proischnura polychromatica | South Africa (Western Cape Province) |
| 362. | Maya Knobtail | Epigomphus maya | Belize |
| 363. | Mecistogaster pronoti | Mecistogaster pronoti | Brazil |
| 364. | Mecistogaster asticta | Mecistogaster asticta | Brazil |
| 365. | Megalomyrmex symmetochus | Megalomyrmex symmetochus | Panama |
| 366. | Meladema imbricata | Meladema imbricata | Spain (Canary Islands) |
| 367. | Meladema lanio | Meladema lanio | Portugal |
| 368. | Merry Shadowdamsel | Drepanosticta hilaris | Sri Lanka |
| 369. | Mesagrion leucorrhinum | Mesagrion leucorrhinum | Colombia |
| 370. | Metrioptera domogledi | Metrioptera domogledi | Hungary, Romania |
| 371. | Metropolitan Redspot | Phyllopetalia altarensis | Chile |
| 372. | Michigan Bog Grasshopper | Appalachia arcana | Michigan |
| 373. | Micromacromia miraculosa | Micromacromia miraculosa | Tanzania |
| 374. | Middlekauf's Shieldback Katydid | Idiostatus middlekaufi | California |
| 375. | Milagros' Tiger | Parantica milagros | Philippines |
| 376. | Minor Black Millipede | Doratogonus minor | South Africa (KwaZulu-Natal) |
| 377. | Miramella irena | Miramella irena | Hungary, Romania |
| 378. | Mitchell's Satyr Butterfly | Neonympha mitchellii | Indiana, Michigan, New Jersey, North Carolina, Ohio |
| 379. | Moerner's Swallowtail Butterfly | Papilio moerneri | Papua New Guinea |
| 380. | Molokai Damselfly | Megalagrion molokaiense | Hawaii |
| 381. | Monomorium effractor | Monomorium effractor | India |
| 382. | Monomorium hospitum | Monomorium hospitum | Singapore |
| 383. | Monomorium inquilinum | Monomorium inquilinum | Mexico |
| 384. | Monomorium noualhieri | Monomorium noualhieri | Algeria |
| 385. | Monomorium pergandei | Monomorium pergandei | United States |
| 386. | Monomorium santschii | Monomorium santschii | Tunisia |
| 387. | Monomorium talbotae | Monomorium talbotae | United States |
| 388. | Montane Dancing-jewel | Platycypha amboniensis | Kenya |
| 389. | Montane Demoiselle | Umma declivium | Malawi, Tanzania |
| 390. | Morimus funereus | Morimus funereus | Belgium, Czech Republic, Germany, Hungary, Republic of Moldova, Romania, Serbia, Serbia and Montenegro, Slovakia, Ukraine |
| 391. | Morishita's Tiger | Parantica hypowattan | Indonesia |
| 392. | Mount Donna Buang Wingless Stonefly | Riekoperla darlingtoni | Australia |
| 393. | Mount Kosciusko Wingless Stonefly | Leptoperla cacuminis | Australia |
| 394. | Mount St. Helens' Grylloblattid | Grylloblatta chirurgica | United States |
| 395. | Mountain Alcon Blue | Maculinea rebeli | Asia, Europe |
| 396. | Mt. Hermon June Beetle | Polyphylla barbata | California |
| 397. | Murphy's Crow | Euploea caespes | Indonesia |
| 398. | Myrmecia inquilina | Myrmecia inquilina | Australia |
| 399. | Myrmica bibikoffi | Myrmica bibikoffi | Switzerland |
| 400. | Myrmica colax | Myrmica colax | United States |
| 401. | Myrmica ereptrix | Myrmica ereptrix | India |
| 402. | Myrmica faniensis | Myrmica faniensis | Belgium |
| 403. | Myrmica hirsuta | Myrmica hirsuta | United Kingdom |
| 404. | Myrmica kabylica | Myrmica kabylica | Algeria |
| 405. | Myrmica lampra | Myrmica lampra | Canada |
| 406. | Myrmica laurae | Myrmica laurae | Italy |
| 407. | Myrmica lemasnei | Myrmica lemasnei | France, Spain |
| 408. | Myrmica myrmicoxena | Myrmica myrmicoxena | Switzerland |
| 409. | Myrmica quebecensis | Myrmica quebecensis | Canada |
| 410. | Myrmica samnitica | Myrmica samnitica | Italy |
| 411. | Myrmica symbiotica | Myrmica symbiotica | Italy |
| 412. | Myrmica winterae | Myrmica winterae | Switzerland |
| 413. | Myrmoxenus gordiagini | Myrmoxenus gordiagini | Croatia, Russia |
| 414. | Nanodectes bulbicercus | Nanodectes bulbicercus | Australia |
| 415. | Natal Black Millipede | Doratogonus natalensis | South Africa |
| 416. | Natterer's Longwing | Heliconius nattereri | Brazil |
| 417. | Navajo Jerusalem Cricket | Stenopelmatus navajo | Arizona |
| 418. | Nehalennia speciosa | Nehalennia speciosa | Austria, Belarus, Czech Republic, Denmark, Estonia, Finland, Germany, Japan, Korea, Latvia, Lithuania, Poland, Russia, Ukraine |
| 419. | Nepogomphoides stuhlmanni | Nepogomphoides stuhlmanni | Malawi, Mozambique, Tanzania |
| 420. | New Ireland Yellow Tiger | Parantica clinias | Papua New Guinea |
| 421. | Nicobar Crow | Euploea scherzeri | India |
| 422. | Nietner's Grappletail | Heliogomphus nietneri | Sri Lanka |
| 423. | Nihoa Banza Conehead Katydid | Banza nihoa | Hawaii |
| 424. | Nirodia belphegor | Nirodia belphegor | Brazil |
| 425. | Northern Black Millipede | Doratogonus septentrionalis | South Africa (KwaZulu-Natal) |
| 426. | Notogomphus cottarellii | Notogomphus cottarellii | Ethiopia |
| 427. | Notogomphus maathaiae | Notogomphus maathaiae | Kenya |
| 428. | Notogomphus ruppeli | Notogomphus ruppeli | Ethiopia |
| 429. | Oahu Damselfly | Megalagrion oahuense | Hawaii |
| 430. | Oahu Deceptor Bush Cricket | Leptogryllus deceptor | Hawaii |
| 431. | Obi Island Birdwing | Ornithoptera aesacus | Indonesia |
| 432. | Oceanic Hawaiian Damselfly | Megalagrion oceanicum | Hawaii |
| 433. | Odontopodisma montana | Odontopodisma montana | Hungary, Romania |
| 434. | Odontopodisma rubripes | Odontopodisma rubripes | Hungary |
| 435. | Ohlone Tiger Beetle | Cicindela ohlone | California |
| 436. | Oligoaeschna kunigamiensis | Oligoaeschna kunigamiensis | Japan |
| 437. | Onconotus servillei | Onconotus servillei | Hungary, Romania |
| 438. | Onychogomphus assimilis | Onychogomphus assimilis | Armenia, Georgia (Eurasia), Iran, Turkey, Turkmenistan |
| 439. | Onychogomphus costae | Onychogomphus costae | Algeria, Morocco, Portugal, Spain, Tunisia |
| 440. | Onychogomphus macrodon | Onychogomphus macrodon | Israel, Jordan, Lebanon, Syria, Turkey |
| 441. | Onychogomphus styx | Onychogomphus styx | Kenya, Tanzania, Uganda, Zambia |
| 442. | Orange-spotted Emerald | Oxygastra curtisii | Belgium, France, Germany, Italy, Luxembourg, Morocco, Portugal, Spain, Switzerland |
| 443. | Orangeblack Hawaiian Damselfly | Megalagrion xanthomelas | Hawaii |
| 444. | Oreocnemis phoenix | Oreocnemis phoenix | Malawi |
| 445. | Ornithoptera meridionalis | Ornithoptera meridionalis | Indonesia, Papua New Guinea |
| 446. | Orthetrum poecilops | Orthetrum poecilops | China |
| 447. | Oxyepoecus bruchi | Oxyepoecus bruchi | Argentina |
| 448. | Oxyepoecus daguerrei | Oxyepoecus daguerrei | Argentina |
| 449. | Oxyepoecus inquilina | Oxyepoecus inquilina | Argentina |
| 450. | Ozark Emerald | Somatochlora ozarkensis | Arkansas, Kansas, Missouri, Oklahoma |
| 451. | Pachysaga strobila | Pachysaga strobila | Australia |
| 452. | Pachysaga munggai | Pachysaga munggai | Australia |
| 453. | Pacific Hawaiian Damselfly | Megalagrion pacificum | Hawaii |
| 454. | Palos Verdes Blue Butterfly | Glaucopsyche lygdamus palosverdesensis | California |
| 455. | Papilio aristophontes | Papilio aristophontes | Indian Ocean (Comoros) |
| 456. | Papilio carolinensis | Papilio carolinensis | Philippines |
| 457. | Papilio esperanza | Papilio esperanza | Mexico |
| 458. | Papilio mangoura | Papilio mangoura | Madagascar |
| 459. | Papilio neumoegeni | Papilio neumoegeni | Indonesia |
| 460. | Papilio osmana | Papilio osmana | Philippines |
| 461. | Papillon La Pature | Papilio phorbanta | Indian Ocean (Reunion) |
| 462. | Paria Wood Elf | Sciotropis lattkei | Venezuela |
| 463. | Parnassius autocrator | Parnassius autocrator | Afghanistan, Tajikistan |
| 464. | Paulson's Knobtail | Epigomphus paulsoni | Mexico (Chiapas) |
| 465. | Peaked Redspot | Phyllopetalia excrescens | Chile |
| 466. | Pegtail | Perigomphus pallidistylus | Costa Rica, Panama |
| 467. | Pennington's Protea | Capys penningtoni | South Africa |
| 468. | Phasis pringlei | Phasis pringlei | South Africa |
| 469. | Phasmodes jeeba | Phasmodes jeeba | Australia |
| 470. | Pheidole acutidens | Pheidole acutidens | Argentina |
| 471. | Pheidole elecebra | Pheidole elecebra | United States (Colorado) |
| 472. | Pheidole argentina | Pheidole argentina | Argentina |
| 473. | Pheidole inquilina | Pheidole inquilina | United States (Colorado) |
| 474. | Pheidole lanuginosa | Pheidole lanuginosa | India |
| 475. | Pheidole microgyna | Pheidole microgyna | Guyana |
| 476. | Pheidole neokohli | Pheidole neokohli | Democratic Republic of Congo (Zaire) |
| 477. | Pheidole oculata | Pheidole oculata | Madagascar |
| 478. | Pheidole parasitica | Pheidole parasitica | India |
| 479. | Pheidole symbiotica | Pheidole symbiotica | Argentina |
| 480. | Piedmont Anomalous Blue | Polyommatus humedasae | Italy |
| 481. | Pinaleno Monkey Grasshopper | Eumorsea pinaleno | Arizona |
| 482. | Pitt Island Longhorn Beetle | Xylotoles costatus | New Zealand |
| 483. | Plagiolepis ampeloni | Plagiolepis ampeloni | Austria |
| 484. | Plagiolepis grassei | Plagiolepis grassei | France |
| 485. | Plagiolepis regis | Plagiolepis regis | Russia |
| 486. | Platycnemis pembipes | Platycnemis pembipes | Tanzania |
| 487. | Platycnemis agrioides | Platycnemis agrioides | Mayotte |
| 488. | Platycypha pinheyi | Platycypha pinheyi | Democratic Republic of Congo (Zaire), Tanzania |
| 489. | Plebejus hesperica | Plebejus hesperica | Spain |
| 490. | Plebejus trappi | Plebejus trappi | Italy, Switzerland |
| 491. | Poecilmitis rileyi | Poecilmitis rileyi | South Africa |
| 492. | Poecilmitis swanepoeli | Poecilmitis swanepoeli | South Africa |
| 493. | Poecilmitis adonis | Poecilmitis adonis | South Africa |
| 494. | Poecilmitis azurius | Poecilmitis azurius | South Africa |
| 495. | Poecilmitis balli | Poecilmitis balli | South Africa |
| 496. | Poecilmitis daphne | Poecilmitis daphne | South Africa |
| 497. | Poecilmitis endymion | Poecilmitis endymion | South Africa |
| 498. | Poecilmitis henningi | Poecilmitis henningi | South Africa |
| 499. | Poecilmitis hyperion | Poecilmitis hyperion | South Africa |
| 500. | Poecilmitis irene | Poecilmitis irene | South Africa |
| 501. | Poecilmitis kaplani | Poecilmitis kaplani | South Africa |
| 502. | Poecilmitis lyncurium | Poecilmitis lyncurium | South Africa |
| 503. | Poecilmitis lyndseyae | Poecilmitis lyndseyae | South Africa |
| 504. | Poecilmitis orientalis | Poecilmitis orientalis | South Africa |
| 505. | Poecilmitis penningtoni | Poecilmitis penningtoni | South Africa |
| 506. | Poecilmitis pyramus | Poecilmitis pyramus | South Africa |
| 507. | Poecilmitis stepheni | Poecilmitis stepheni | South Africa |
| 508. | Poecilmitis trimeni | Poecilmitis trimeni | South Africa |
| 509. | Poecilmitis wykehami | Poecilmitis wykehami | South Africa |
| 510. | Pogonomyrmex anergismus | Pogonomyrmex anergismus | United States |
| 511. | Pogonomyrmex colei | Pogonomyrmex colei | United States |
| 512. | Polyergus lucidus | Polyergus lucidus | Florida, Indiana |
| 513. | Polyergus nigerrimus | Polyergus nigerrimus | Russia |
| 514. | Polyommatus dama | Polyommatus dama | Turkey |
| 515. | Pomace Fly | Drosophila aglaia | Hawaii |
| 516. | Pomace Fly | Drosophila differens | Hawaii |
| 517. | Pomace Fly | Drosophila hemipeza | Hawaii |
| 518. | Pomace Fly | Drosophila heteroneura | Hawaii |
| 519. | Pomace Fly | Drosophila montgomeryi | Hawaii |
| 520. | Pomace Fly | Drosophila musaphila | Hawaii |
| 521. | Pomace Fly | Drosophila neoclavisetae | Hawaii |
| 522. | Pomace Fly | Drosophila obatai | Hawaii |
| 523. | Pomace Fly | Drosophila ochrobasis | Hawaii |
| 524. | Pomace Fly | Drosophila substenoptera | Hawaii |
| 525. | Pomace Fly | Drosophila tarphytrichia | Hawaii |
| 526. | Poor Knights Weta | Deinacrida fallai | New Zealand |
| 527. | Port Conception Jerusalem Cricket | Ammopelmatus muwu | California |
| 528. | Powder Blue Damsel | Arabicnemis caerulea | Oman, United Arab Emirates, Yemen |
| 529. | Prairie Sphinx Moth | Euproserpinus wiesti | United States |
| 530. | Precarious Black Millipede | Doratogonus precarius | South Africa |
| 531. | Predatory Bush Cricket | Saga pedo | Asia, Europe, Middle East |
| 532. | Pronged Clubtail | Gomphus graslinii | France, Portugal, Spain |
| 533. | Protomognathus americanus | Protomognathus americanus | Indiana |
| 534. | Psacadonotus insulanus | Psacadonotus insulanus | Australia |
| 535. | Pseudagrion vumbaense | Pseudagrion vumbaense | Zimbabwe |
| 536. | Pseudagrion inopinatum | Pseudagrion inopinatum | South Africa |
| 537. | Pseudagrion arabicum | Pseudagrion arabicum | Saudi Arabia, Yemen |
| 538. | Pseudagrion bicoerulans | Pseudagrion bicoerulans | Kenya, Tanzania, Uganda |
| 539. | Pseudagrion guichardi | Pseudagrion guichardi | Ethiopia |
| 540. | Pseudagrion kaffinum | Pseudagrion kaffinum | Ethiopia |
| 541. | Pseudagrion newtoni | Pseudagrion newtoni | South Africa |
| 542. | Pseudoatta argentina | Pseudoatta argentina | Argentina |
| 543. | Pseudochazara euxina | Pseudochazara euxina | Russia, Ukraine |
| 544. | Pseudomyrmex leptosus | Pseudomyrmex leptosus | United States |
| 545. | Puritan Tiger Beetle | Cicindela puritana | Connecticut, Maryland, Massachusetts, New Hampshire, Vermont |
| 546. | Purple Skimmer | Libellula jesseana | Florida |
| 547. | Purple Threadtail | Protoneura dunklei | Dominican Republic |
| 548. | Pygmy Hog Sucking Louse | Haematopinus oliveri | India |
| 549. | Queen Alexandra's Birdwing Butterfly | Ornithoptera alexandrae | Papua New Guinea |
| 550. | Queen Malachite | Ecchlorolestes nylephtha | South Africa |
| 551. | Quino Checkerspot Butterfly | Euphydryas editha quino | California, Mexico |
| 552. | Raetzer's Ringlet | Erebia christi | Italy, Switzerland |
| 553. | Ramajana Bambootail | Disparoneura ramajana | Sri Lanka |
| 554. | Red Chaser | Libellula pontica | Armenia, Iran, Iraq, Israel, Jordan, Kyrgyzstan, Syria, Turkey |
| 555. | Red Jungle-skimmer | Hadrothemis scabrifrons | Kenya, Malawi, Mozambique, Tanzania, Zambia, Zimbabwe |
| 556. | Red-legged Threadtail | Protoneura sanguinipes | Dominican Republic |
| 557. | Relict Himalayan Dragonfly | Epiophlebia laidlawi | India, Nepal |
| 558. | Remote Conehead Katydid | Enconocephalus remotus | Hawaii |
| 559. | Reventazon Shadowdamsel | Palaemnema reventazoni | Costa Rica |
| 560. | Rhantus alutaceus | Rhantus alutaceus | New Caledonia |
| 561. | Rhinocypha uenoi | Rhinocypha uenoi | Japan |
| 562. | Rhinocypha ogasawarensis | Rhinocypha ogasawarensis | Japan |
| 563. | Rhinocypha hageni | Rhinocypha hageni | Philippines |
| 564. | Rhinocypha latimacula | Rhinocypha latimacula | Philippines |
| 565. | Rhipidolestes okinawanus | Rhipidolestes okinawanus | Japan |
| 566. | Rhithrodytes agnus | Rhithrodytes agnus | Portugal |
| 567. | Rhoptromyrmex mayri | Rhoptromyrmex mayri | India |
| 568. | Rhoptromyrmex schmitzi | Rhoptromyrmex schmitzi | Israel |
| 569. | Ringed Boghaunter | Williamsonia lintneri | Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, Rhode Island, Wisconsin |
| 570. | Ris's Sanddragon | Progomphus risi | Guatemala, Mexico |
| 571. | Risiocnemis seidenschwarzi | Risiocnemis seidenschwarzi | Philippines |
| 572. | Rivulet Tiger (Dragonfly) | Gomphidia pearsoni | Sri Lanka |
| 573. | Rosalia Longicorn | Rosalia alpina | Africa, Asia, Europe, Middle East |
| 574. | Rossomyrmex minuchae | Rossomyrmex minuchae | Spain |
| 575. | Rossomyrmex proformicarum | Rossomyrmex proformicarum | Russia |
| 576. | Rothschild's Birdwing | Ornithoptera rothschildi | Indonesia |
| 577. | Ruby-legged Black Millipede | Doratogonus rubipodus | South Africa (KwaZulu-Natal) |
| 578. | Sabino Dancer | Argia sabino | Arizona, Mexico |
| 579. | Sacramento Anthicid Beetle | Anthicus sacramento | United States |
| 580. | Saint Helena Earwig | Labidura herculeana | St. Helena |
| 581. | Salt Creek Tiger Beetle | Cicindela nevadica lincolniana | Nebraska |
| 582. | Samwell Cave Cricket | Pristoceuthophilus sp. nov. | United States (California) |
| 583. | San Bruno Elfin Butterfly | Callophrys mossii bayensis | California |
| 584. | San Joaquin Dune Beetle | Coelus gracilis | California |
| 585. | Santa Monica Mountains Grasshopper | Trimerotropis occidentaloides | California |
| 586. | Santa Monica Shieldback Katydid | Aglaothorax longipennis | United States |
| 587. | Say's Spiketail | Cordulegaster sayi | Florida, Georgia |
| 588. | Scarlet Bluet | Enallagma pictum | Connecticut, Maine, Massachusetts, New Jersey, New York, Rhode Island |
| 589. | Schauinsland's Bush Cricket | Caconemobius schauinslandi | Hawaii |
| 590. | Schaus Swallowtail | Heraclides aristodemus ponceanus | Florida |
| 591. | Schayer's Grasshopper | Schayera baiulus | Australia |
| 592. | Schneider's Surprise | Tiradelphe schneideri | Solomon Islands |
| 593. | Serrastruma inquilina | Serrastruma inquilina | Democratic Republic of Congo (Zaire) |
| 594. | Seychelles Crow | Euploea mitra | Indian Ocean (Seychelles) |
| 595. | Seychelles Fineliner | Teinobasis alluaudi | Indian Ocean (Seychelles), Kenya, Madagascar, Malawi, Tanzania |
| 596. | Shimaakane Dragonfly | Boninthemis insularis | Japan |
| 597. | Sierra Nevada Blue | Polyommatus golgus | Spain |
| 598. | Sierra Pygmy Grasshopper | Tetrix sierrane | California |
| 599. | Sinai Hooktail | Paragomphus sinaiticus | Egypt, Niger, Oman, Saudi Arabia, Sudan, Yemen |
| 600. | Sinhalestes orientalis | Sinhalestes orientalis | Sri Lanka |
| 601. | Siskiyou Chloealtis Grasshopper | Chloealtis aspasma | Oregon |
| 602. | Slave Raiding Ant | Polyergus breviceps | Indiana |
| 603. | Small Fanwinged Katydid | Psacadonotus seriatus | Australia |
| 604. | Small Lappet Moth | Phyllodesma ilicifolia | Austria, Belarus, Belgium, China, Czech Republic, Denmark, Estonia, Finland, France, Germany, Italy, Japan, Kazakhstan, Latvia, Lithuania, Mongolia, Norway, Poland, Romania, Russia, Slovakia, Spain, Sweden, Switzerland, Ukraine |
| 605. | Smith's Blue Butterfly | Euphilotes enoptes smithi | California |
| 606. | Smoky-winged Threadtail | Elattoneura leucostigma | Sri Lanka |
| 607. | Solenopsis daguerrei | Solenopsis daguerrei | Argentina, Uruguay |
| 608. | Solenopsis solenopsidis | Solenopsis solenopsidis | Argentina |
| 609. | Solitary Black Millipede | Doratogonus avius | South Africa |
| 610. | Somatochlora borisi | Somatochlora borisi | Bulgaria, Greece, Turkey |
| 611. | Southern Black Millipede | Doratogonus meridionalis | South Africa |
| 612. | Southern Damselfly | Coenagrion mercuriale | Africa, Europe |
| 613. | Southern Snaketail | Ophiogomphus australis | Louisiana, Mississippi |
| 614. | Spartan Crow | Euploea lacon | Papua New Guinea |
| 615. | Sri Lanka Forktail | Macrogomphus lankanensis | Sri Lanka |
| 616. | Sri Lanka Grappletail | Heliogomphus ceylonicus | Sri Lanka |
| 617. | Sri Lankan Relict Ant | Aneuretus simoni | Sri Lanka |
| 618. | Stenobothrus eurasius | Stenobothrus eurasius | Hungary, Romania |
| 619. | Stephens Island Weta | Deinacrida rugosa | New Zealand |
| 620. | Strong Black Millipede | Doratogonus infragilis | South Africa (KwaZulu-Natal) |
| 621. | Strongylognathus afer | Strongylognathus afer | Algeria |
| 622. | Strongylognathus alboini | Strongylognathus alboini | Italy |
| 623. | Strongylognathus alpinus | Strongylognathus alpinus | Switzerland |
| 624. | Strongylognathus arnoldii | Strongylognathus arnoldii | Russia |
| 625. | Strongylognathus caeciliae | Strongylognathus caeciliae | Spain |
| 626. | Strongylognathus cecconii | Strongylognathus cecconii | Italy |
| 627. | Strongylognathus chelifer | Strongylognathus chelifer | Russia |
| 628. | Strongylognathus christophi | Strongylognathus christophi | Russia |
| 629. | Strongylognathus dalmaticus | Strongylognathus dalmaticus | Croatia |
| 630. | Strongylognathus destefanii | Strongylognathus destefanii | Italy |
| 631. | Strongylognathus emeryi | Strongylognathus emeryi | Italy |
| 632. | Strongylognathus foreli | Strongylognathus foreli | Algeria |
| 633. | Strongylognathus huberi | Strongylognathus huberi | Italy, Switzerland |
| 634. | Strongylognathus insularis | Strongylognathus insularis | Italy |
| 635. | Strongylognathus italicus | Strongylognathus italicus | Italy |
| 636. | Strongylognathus karawajevi | Strongylognathus karawajevi | Ukraine |
| 637. | Strongylognathus kervillei | Strongylognathus kervillei | Turkey |
| 638. | Strongylognathus koreanus | Strongylognathus koreanus | Korea |
| 639. | Strongylognathus kratochvilli | Strongylognathus kratochvilli | Czech Republic |
| 640. | Strongylognathus minutus | Strongylognathus minutus | Turkmenistan |
| 641. | Strongylognathus palaestinensis | Strongylognathus palaestinensis | Israel |
| 642. | Strongylognathus pisarskii | Strongylognathus pisarskii | Italy |
| 643. | Strongylognathus rehbinderi | Strongylognathus rehbinderi | Georgia (Eurasia) |
| 644. | Strongylognathus ruzskyi | Strongylognathus ruzskyi | Russia |
| 645. | Strongylognathus silvestrii | Strongylognathus silvestrii | Greece |
| 646. | Strumigenys xenos | Strumigenys xenos | Australia, New Zealand |
| 647. | Sudeten Ringlet | Erebia sudetica | Czech Republic, France, Romania, Switzerland |
| 648. | Sugarfoot Moth Fly | Nemapalpus nearcticus | Florida |
| 649. | Sumbawa Tiger | Parantica philo | Indonesia |
| 650. | Superb Spharagemon Grasshopper | Eximacris superbum | Texas |
| 651. | Sydney Hawk Dragonfly | Austrocordulia leonardi | Australia (New South Wales) |
| 652. | Sympetrum nigrifemur | Sympetrum nigrifemur | Portugal, Spain (Canary Islands) |
| 653. | Talaud Black Birdwing | Troides dohertyi | Indonesia |
| 654. | Tanner's Black Camel Cricket | Utabaenetes tanneri | Utah |
| 655. | Tasmanian Torrent Midge | Edwardsina tasmaniensis | Australia (Tasmania) |
| 656. | Tasmanoplectron isolatum | Tasmanoplectron isolatum | Australia |
| 657. | Teleutomyrmex kutteri | Teleutomyrmex kutteri | Spain |
| 658. | Teleutomyrmex schneideri | Teleutomyrmex schneideri | France, Switzerland |
| 659. | Tennessee Clubtail | Gomphus sandrius | Tennessee |
| 660. | Tepui Bannerwing | Chalcothore montgomeryi | Venezuela |
| 661. | Tetramorium microgyna | Tetramorium microgyna | South Africa, Zimbabwe |
| 662. | Tetramorium parasiticum | Tetramorium parasiticum | South Africa |
| 663. | Tetrathemis denticauda | Tetrathemis denticauda | Democratic Republic of Congo (Zaire), Uganda |
| 664. | Tetrathemis ruwensoriensis | Tetrathemis ruwensoriensis | Uganda |
| 665. | Tetrathemis yerburii | Tetrathemis yerburii | Sri Lanka |
| 666. | Texas Emerald | Somatochlora margarita | Louisiana, Texas |
| 667. | Thalassothemis marchali | Thalassothemis marchali | Mauritius |
| 668. | The Magou | Euploea magou | Indonesia |
| 669. | Thermochoria jeanneli | Thermochoria jeanneli | Kenya, Malawi, Tanzania, Zambia |
| 670. | Thestor compassbergae | Thestor compassbergae | South Africa |
| 671. | Thestor dryburghi | Thestor dryburghi | South Africa |
| 672. | Thestor kaplani | Thestor kaplani | South Africa |
| 673. | Thestor pringlei | Thestor pringlei | South Africa |
| 674. | Thestor rossouwi | Thestor rossouwi | South Africa |
| 675. | Thestor stepheni | Thestor stepheni | South Africa |
| 676. | Thestor strutti | Thestor strutti | South Africa |
| 677. | Thestor swanepoeli | Thestor swanepoeli | South Africa |
| 678. | Thestor tempe | Thestor tempe | South Africa |
| 679. | Thestor yildizae | Thestor yildizae | South Africa |
| 680. | Throscodectes xederoides | Throscodectes xederoides | Australia |
| 681. | Throscodectes xiphos | Throscodectes xiphos | Australia |
| 682. | Thylacine Darner | Acanthaeschna victoria | Australia |
| 683. | Timor Yellow Tiger | Parantica timorica | Indonesia |
| 684. | Tooth Cave Ground Beetle | Rhadine persephone | Texas |
| 685. | Torreya Pygmy Grasshopper | Tettigidea empedonepia | Florida |
| 686. | Towne's Clubtail | Stylurus townesi | Alabama, Florida, Mississippi, North Carolina, South Carolina, Tennessee |
| 687. | Toxopeus' Yellow Tiger | Parantica toxopei | Indonesia |
| 688. | Trithemis nigra | Trithemis nigra | Sao Tome and Principe |
| 689. | Turkish Red Damsel | Ceriagrion georgifreyi | Greece, Syria, Turkey |
| 690. | Tuxtla Knobtail | Epigomphus sulcatistyla | Mexico (Vera Cruz) |
| 691. | Twin-striped Clubtail | Gomphus geminatus | Alabama, Florida, Georgia |
| 692. | Umma femina | Umma femina | Angola |
| 693. | Uncompahgre Fritillary Butterfly | Boloria acrocnema | Colorado |
| 694. | Urothemis thomasi | Urothemis thomasi | Oman |
| 695. | Volcano Knobtail | Epigomphus echeverrii | Costa Rica |
| 696. | Volcanoes Cave Cricket | Thaumatogryllus cavicola | Hawaii |
| 697. | Wallace's Golden Birdwing Butterfly | Ornithoptera croesus | Indonesia |
| 698. | Wallengren's Copper | Trimenia wallengrenii | South Africa |
| 699. | Westfall's Clubtail | Gomphus westfalli | Florida |
| 700. | Westfall's Knobtail | Epigomphus westfalli | Nicaragua |
| 701. | Wetapunga | Deinacrida heteracantha | New Zealand |
| 702. | White Spotted Sapphire | Iolaus lulua | South Africa |
| 703. | Wijaya's Scissortail Clubtail | Microgomphus wijaya | Sri Lanka |
| 704. | Windbalea viride | Windbalea viride | Australia |
| 705. | Yellow Kite Swallowtail | Eurytides iphitas | Brazil |
| 706. | Yellow Presba | Syncordulia gracilis | South Africa |
| 707. | Yellow-sided Clubtail | Stylurus potulentus | Florida, Mississippi |
| 708. | Zaprochilus ninae | Zaprochilus ninae | Australia |
| 709. | Zayante Band-winged Grasshopper | Trimerotropis infantilis | California |
| 710. | Zerene Fritillary | Speyeria zerene | California |
| 711. | Zerynthia caucasica | Zerynthia caucasica | Armenia, Azerbaijan, Georgia (Eurasia), Turkey |
| 712. | Zetides Swallowtail | Battus zetides | Dominican Republic, Haiti |
| 713. | Zoe Waterfall Damsel | Paraphlebia zoe | Mexico |
| 714. | Zubovskia banatica | Zubovskia banatica | Hungary, Romania |
| 715. | Zululand Black Millipede | Doratogonus zuluensis | South Africa (KwaZulu-Natal) |
