| Acar | 79375 | Acari | 733321 |
| Acilius abbreviatus | 112080 | Acilius | 112074 |
| Acroneuria | 102917 | Perlodidae | 102994 |
| Aedes | 126234 | Culicidae | 125930 |
| Aeshna | 101603 | Aeshna/Rhionaeschna | -267 |
| Aeshna eremita | 185978 | Aeshna/Rhionaeschna | -267 |
| Aeshna interrupta | 185979 | Aeshna/Rhionaeschna | -267 |
| Aeshna juncea | 185981 | Aeshna/Rhionaeschna | -267 |
| Aeshna palmata | 592674 | Aeshna/Rhionaeschna | -267 |
| Aeshna umbrosa | 101605 | Aeshna/Rhionaeschna | -267 |
| Aeshna walkeri | 592682 | Aeshna/Rhionaeschna | -267 |
| Agabus lutosus | 112056 | Agabus | 111966 |
| Agathon comstocki | 121237 | Agathon | 121230 |
| Alaskaperla ovibovis | 103317 | Chloroperlidae | 103202 |
| Alisotrichia | 181197 | Hydroptilidae | 115629 |
| Allocosmoecus | 115969 | Allocosmoecus partitus | 115970 |
| Americorophium spinicorne | 656746 | Americorophium | 656484 |
| Ametor latus | 112891 | Ametor | 112890 |
| Ametor scabrosus | 112892 | Ametor | 112890 |
| Ametropus ammophilus | 101077 | Ametropus | 101074 |
| Amiocentrus aspilus | 116934 | Amiocentrus | 116933 |
| Amphiagrion | 102093 | Coenagrionidae | 102077 |
| Amphiagrion abbreviatum | 102094 | Coenagrionidae | 102077 |
| Amphicosmoecus canax | 116254 | Amphicosmoecus | 116253 |
| Amphinemura | 102540 | Malenka | 102567 |
| Amphizoa insolens | 111958 | Amphizoa | 111953 |
| Amphizoa lecontei | 111961 | Amphizoa | 111953 |
| Amphizoidae | 111952 | Amphizoa | 111953 |
| Ampumixis dispar | 114197 | Ampumixis | 114196 |
| Anafroptilum | -179 | Anafroptilum/Procloeon | -268 |
| Anax junius | 101598 | Anax | 101597 |
| Anchycteis | 114266 | Ptilodactylidae | 114265 |
| Anchycteis velutina | 114267 | Ptilodactylidae | 114265 |
| Anisogammarus | 93747 | Anisogammaridae | 203113 |
| Antillocladius | 128470 | Orthocladiinae | 128457 |
| Antocha monticola | 119660 | Antocha | 119656 |
| Apatania sorex | 115936 | Apatania | 115935 |
| Apsectrotanypus johnsoni | 128024 | Apsectrotanypus | 128021 |
| Archilestes grandis | 102060 | Archilestes | 102059 |
| Archoophora | 53965 | Trepaxonemata | 914204 |
| Arcteonais lomondi | 68976 | Arcteonais | 68975 |
| Arctoconopa | 120398 | Limoniidae | -233 |
| Arctopsyche californica | 115538 | Arctopsyche | 115529 |
| Arctopsyche grandis | 115530 | Arctopsyche | 115529 |
| Argia emma | 102142 | Argia | 102139 |
| Argia vivida | 102150 | Argia | 102139 |
| Argyra | 137250 | Dolichopodidae | 136824 |
| Asioplax edmundsi | 609625 | Asioplax | 609510 |
| Assia | 59719 | Nemata | 563956 |
| Athericidae | 130928 | Atherix | 130929 |
| Atherix pachypus | 130931 | Atherix | 130929 |
| Atractelmis wawona | 114252 | Atractelmis | 114251 |
| Atractidae | 63894 | Atractides | 83282 |
| Atrichomelina | 144657 | Sciomyzidae | 144653 |
| Atrichopogon | 127113 | Forcipomyiinae | 127112 |
| Attenella soquele | 568629 | Attenella | 101338 |
| Aulodrilus pluriseta | 68684 | Aulodrilus | 68679 |
| Baetis bicaudatus | 100823 | Baetis bicaudatus complex | -175 |
| Baetis flavistriga | 100835 | Baetis flavistriga complex | -173 |
| Baetis piscatoris | 100814 | Baetis piscatoris complex | -194 |
| Baetis tricaudatus | 100817 | Baetis tricaudatus complex | -177 |
| Baetodes tritus | 568588 | Baetodes | 100938 |
| Banksiola crotchi | 115912 | Banksiola | 115911 |
| Basommatophora | 76437 | Gastropoda | 69459 |
| Batracobdella | 69358 | Erpobdella | 69444 |
| Bezzia | 127778 | Ceratopogoninae | 127338 |
| Bezzia/Palpomyia | -140 | Ceratopogoninae | 127338 |
| Bibiocephala grandis | 121251 | Bibiocephala | 121250 |
| Bilyjomyia algens | -159 | Bilyjomyia | -161 |
| Blepharicera ostensackeni | 121267 | Blepharicera | 121255 |
| Bothrioneurum vejdovskyanum | 68779 | Bothrioneurum | 68778 |
| Brachycentrus (Oligoplectrum) | 598769 | Brachycentrus | 116906 |
| Brachycentrus echo | 604657 | Brachycentrus | 116906 |
| Branchiobdella | 69180 | Branchiobdellida | 69168 |
| Branchiobdellidae | 69169 | Branchiobdellida | 69168 |
| Branchiura sowerbyi | 68621 | Branchiura | 68619 |
| Brillia parva | 128481 | Brillia | 128477 |
| Brillia retifinis | 128482 | Brillia | 128477 |
| Brundiniella eumorpha | 128028 | Brundiniella | 128026 |
| Caecidotea occidentalis | 92755 | Caecidotea | 92686 |
| Caenis amica | 101480 | Caenis | 101478 |
| Caenis latipennis | 101488 | Caenis | 101478 |
| Caenis tardata | 101479 | Caenis | 101478 |
| Caenis youngi | 568627 | Caenis | 101478 |
| Caladomyia | -252 | Tanytarsini | 129872 |
| Calamoceratidae | 116529 | Heteroplectron californicum | 116538 |
| Calasellus | 92780 | Calasellus/Salmasellus | -269 |
| Calineuria | 102985 | Calineuria californica | 102986 |
| Callibaetis fluctuans | 100920 | Callibaetis | 100903 |
| Calliperla luctuosa | 103156 | Calliperla | 103155 |
| Calopteryx aequabilis | 102056 | Calopteryx | 102052 |
| Camelobaetidius warreni | 568592 | Camelobaetidius | 568548 |
| Camptocladius | 128507 | Orthocladiinae | 128457 |
| Capnia | 102688 | Capniidae | 102643 |
| Capnura | 102690 | Capniidae | 102643 |
| Cardiocladius albiplumus | 128512 | Cardiocladius | 128511 |
| Cardiocladius obscurus | 128515 | Cardiocladius | 128511 |
| Cascadoperla trictura | 103158 | Cascadoperla | 103157 |
| Catenulida | 54028 | Trepaxonemata | 914204 |
| Caudatella heterocaudata | 101351 | heterocaudata complex | -270 |
| Centroptilum | 100873 | Anafroptilum/Procloeon | -268 |
| Centroptilum album | 100878 | Anafroptilum/Procloeon | -268 |
| Centroptilum conturbatum | 100875 | Anafroptilum/Procloeon | -268 |
| Centroptilum/Procloeon | -4 | Anafroptilum/Procloeon | -268 |
| Ceraclea alces | 116742 | Ceraclea | 116684 |
| Ceraclea annulicornis | 116744 | Ceraclea | 116684 |
| Ceratopogon | 127564 | Ceratopogoninae | 127338 |
| Ceratopogon borealis | 127565 | Ceratopogoninae | 127338 |
| Ceratopsyche | 115570 | Hydropsyche | 115453 |
| Ceratopsyche amblis | 568781 | Hydropsyche | 115453 |
| Ceratopsyche centra | 599428 | Hydropsyche | 115453 |
| Ceratopsyche cockerelli | 115602 | Hydropsyche | 115453 |
| Ceratopsyche oslari | 599457 | Hydropsyche | 115453 |
| Chelifer | 199285 | Chelifera/Metachela | -5 |
| Chelifera | 136305 | Chelifera/Metachela | -5 |
| Cheumatopsyche (Cheumatopsychodes) | 598724 | Cheumatopsyche | 115408 |
| Cheumatopsyche campyla | 115409 | Cheumatopsyche | 115408 |
| Cheumatopsyche pettiti | 115426 | Cheumatopsyche | 115408 |
| Chioneinae | -234 | Limoniidae | -233 |
| Chloroperla | 102958 | Chloroperlidae | 103202 |
| Chloroperlinae | 609855 | Chloroperlidae | 103202 |
| Chrysops | 131078 | Tabanidae | 130934 |
| Chyranda Chyranda centralis | 1053275 | Chyrandra | 568778 |
| Chyrandra centralis | 116018 | Chyrandra | 568778 |
| Cinygmula par | 100559 | Cinygmula | 100557 |
| Cipangopaludina chinensis | 70329 | Cipangopaludina | 70328 |
| Claassenia | 102930 | Claassenia sabulosa | 102932 |
| Cleptelmis | 114164 | Cleptelmis addenda | 114166 |
| Cleptelmis ornata | 114165 | Cleptelmis addenda | 114166 |
| Climacia californica | 115088 | Sisyridae | 115085 |
| Clinocera stagnalis | 135864 | Clinocera | 135849 |
| Clitellata | 568832 | Oligochaeta | 68422 |
| Clostoeca disjuncta | 116014 | Clostoeca | 116013 |
| Cnidaria | 48738 | Hydra | 50845 |
| Coenagrion | 102155 | Coenagrionidae | 102077 |
| Coenagrion/Enallagma | -6 | Coenagrionidae | 102077 |
| Colligyrus | -262 | Truncatelloidea | -228 |
| Colymbetes | 112379 | Colymbetinae | 678403 |
| Colymbetes densus | 728325 | Colymbetinae | 678403 |
| Colymbetes sculptilis | 112385 | Colymbetinae | 678403 |
| Conchapelopia | 128130 | Thienemannimyia Group | -276 |
| Constempellina brevicosta | 129885 | Constempellina | 129884 |
| Copelatus | 112561 | Copelatinae | 678400 |
| Coptotomus longulus | 112373 | Coptotomus | 112371 |
| Corbicula fluminea | 81387 | Corbicula | 81385 |
| Corbiculidae | 81381 | Corbicula | 81385 |
| Cordulegaster dorsalis | 593042 | Cordulegaster | 102027 |
| Corophiidae | 93584 | Americorophium | 656484 |
| Corophium | 93589 | Americorophium | 656484 |
| Corydalus | 115033 | Corydalidae | 115023 |
| Corydalus cornutus | 115034 | Corydalidae | 115023 |
| Corynidae | 49009 | Hydra | 50845 |
| Crambidae | 693963 | Lepidoptera | 117232 |
| Cricotopus (Cricotopus) | 568521 | Cricotopus | 128575 |
| Cricotopus bicinctus | 128583 | Cricotopus Bicinctus Group | -7 |
| Cricotopus nostocicola | 128628 | Cricotopus (Nostococladius) | 568516 |
| Cricotopus Sylvestris Group | -118 | Cricotopus | 128575 |
| Cricotopus trifascia | 128659 | Cricotopus Trifascia Group | -9 |
| Cryptochia califca | 605192 | Cryptochia | 115907 |
| Culex | 126455 | Culicidae | 125930 |
| Culex pipiens | 126488 | Culicidae | 125930 |
| Culicoides | 127340 | Ceratopogoninae | 127338 |
| Culiseta | 126429 | Culicidae | 125930 |
| Cybister | 112364 | Dytiscidae | 111963 |
| Cylloepus | 114208 | Elmidae | 114093 |
| Cyrnellus | 117091 | Polycentropodidae | 117043 |
| Dasyheleinae | 127277 | Dasyhelea | 127278 |
| Deronectes | 112153 | Hydroporinae | 678402 |
| Desmopachria convexa | 112148 | Hydroporinae | 678402 |
| Despaxia | 102841 | Despaxia augusta | 102842 |
| Deuterophlebiidae | 121286 | Deuterophlebia | 121287 |
| Dicranopselaphus | 114091 | Psephenidae | 114069 |
| Dina | 69439 | Erpobdella | 69444 |
| Dioptopsis | 121277 | Blephariceridae | 121227 |
| Diphetor | 568550 | Diphetor hageni | 568598 |
| Diplocladius cultriger | 128671 | Diplocladius | 128670 |
| Diploperla | 103166 | Perlodidae | 102994 |
| Diura knowltoni | 103096 | Diura | 103094 |
| Doddsia | 102838 | Taeniopterygidae | 102788 |
| Doddsia occidentalis | 102839 | Taeniopterygidae | 102788 |
| Doncricotopus bicaudatus | 128681 | Doncricotopus | 128680 |
| Doroneuria baumanni | 103123 | Doroneuria | 103121 |
| Doroneuria theodora | 103122 | Doroneuria | 103121 |
| Drunella coloradensis | 101389 | Drunella coloradensis/flavilinea | -10 |
| Drunella coloradensis/flavilinea | -271 | Drunella coloradensis/flavilinea | -10 |
| Drunella flavilinea | 101392 | Drunella coloradensis/flavilinea | -10 |
| Drunella grandis | 101370 | Drunella grandis/spinifera | -11 |
| Drunella grandis flavitincta | 101375 | Drunella grandis/spinifera | -11 |
| Drunella grandis grandis | 101372 | Drunella grandis/spinifera | -11 |
| Drunella spinifera | 101385 | Drunella grandis/spinifera | -11 |
| Dubiraphia giulianii | 114128 | Dubiraphia | 114126 |
| Dubiraphia vittata | 114131 | Dubiraphia | 114126 |
| Dysmicohermes disjunctus | 115047 | Dysmicohermes | 115046 |
| Dytiscus | 112118 | Dytiscidae | 111963 |
| Dytiscus cordieri | 112131 | Dytiscidae | 111963 |
| Dytiscus dauricus | 112135 | Dytiscidae | 111963 |
| Dytiscus marginicollis | 112124 | Dytiscidae | 111963 |
| Ecclisocosmoecus | 116340 | Ecclisocosmoecus scylla | 116342 |
| Ecdyonurus | 697960 | Afghanurus | -243 |
| Ecdyonurus criddlei | 698149 | Afghanurus criddlei | -244 |
| Einfeldia | 129459 | Chironomini | 129229 |
| Elimia | 71654 | Juga | 71570 |
| Elmidae sp. AJF#01 | -205 | Elmidae | 114093 |
| Elmidae sp. AJF#02 | -206 | Elmidae | 114093 |
| Elminae | 678522 | Elmidae | 114093 |
| Elodes | 113969 | Scirtidae | 113924 |
| Empididae Genus B | -132 | Proclinopyga | 135887 |
| Empididae sp. AJF#01 | -207 | Empididae | 135830 |
| Empididae sp. AJF#02 | -208 | Empididae | 135830 |
| Empididae sp. QNR#01 | -209 | Empididae | 135830 |
| Enallagma | 102102 | Coenagrionidae | 102077 |
| Enallagma boreale | 102121 | Coenagrionidae | 102077 |
| Endotribelos hesperium | 130047 | Endotribelos | 130046 |
| Eobrachycentrus gelidae | 116972 | Eobrachycentrus | 116971 |
| Eogammarus | 93843 | Anisogammaridae | 203113 |
| Eogammarus confervicolus | 656666 | Anisogammaridae | 203113 |
| Epeorus albertae | 100629 | Epeorus Albertae Group | -197 |
| Epeorus grandis | 100635 | Epeorus Grandis Group | -266 |
| Ephemera simulans | 101530 | Ephemera | 101526 |
| Ephemerella dorothea | 101272 | Ephemerella Excrucians Group | -199 |
| Ephemerella dorothea infrequens | 698506 | Ephemerella Excrucians Group | -199 |
| Ephemerella excrucians | 101276 | Ephemerella Excrucians Group | -199 |
| Ephemerella inermis/infrequens | -146 | Ephemerella Excrucians Group | -199 |
| Ephemerella maculata | 101244 | Ephemerella | 101233 |
| Ephemerellinae | -202 | Ephemerellidae | 101232 |
| Ephoron album | 101571 | Ephoron | 101570 |
| Ephydra | 147486 | Ephydridae | 146893 |
| Erpetogomphus compositus | 592837 | Erpetogomphus | 101725 |
| Erpobdella punctata | 69445 | Erpobdella | 69444 |
| Erpobdellidae | 69438 | Erpobdella | 69444 |
| Estelloxus californiensis | 83049 | Estelloxus | 83048 |
| Eubrianax edwardsii | 708467 | Eubrianax | 114085 |
| Eucapnopsis | 102785 | Capniidae | 102643 |
| Eucapnopsis brevicauda | 102786 | Capniidae | 102643 |
| Eucorethra underwoodi | 125889 | Eucorethra | 125888 |
| Eukiefferiella brehmi | 128704 | Eukiefferiella Brehmi Group | -122 |
| Eukiefferiella cf. tirolensis | -127 | Eukiefferiella Tirolensis Group | -126 |
| Eukiefferiella claripennis | 128693 | Eukiefferiella Claripennis Group | -15 |
| Eukiefferiella coerulescens | 128701 | Eukiefferiella Coerulescens Group | -16 |
| Eukiefferiella pseudomontana | 128706 | Eukiefferiella Pseudomontana Group | -19 |
| Eukiefferiella similis | 553084 | Cardiocladius | 128511 |
| Eurylophella lodi | 568637 | Eurylophella | 101324 |
| Fallceon quilleri | 568601 | Fallceon | 568551 |
| Ferrisia | 200917 | Ferrissia | 76569 |
| Ferrissia fragilis | 76570 | Ferrissia | 76569 |
| Ferrissia rivularis | 76572 | Ferrissia | 76569 |
| Fluminicola | 70778 | Truncatelloidea | -228 |
| Forcipomyia | 127152 | Forcipomyiinae | 127112 |
| Fossaria | 76497 | Lymnaeidae | 76483 |
| Frisonia | 103171 | Frisonia picticeps | 103172 |
| Frontipoda americana | 83241 | Frontipoda | 83240 |
| Galba | -182 | Lymnaeidae | 76483 |
| Gammarus lacustris | 93789 | Gammarus | 93773 |
| Geranomyia | -265 | Limoniidae | -233 |
| Glossiphonia complanata | 69381 | Glossiphonia | 69380 |
| Glossiphonia elegans | -224 | Glossiphonia | 69380 |
| Glossosoma (Anseriglossa) | 598802 | Glossosoma | 117159 |
| Glossosoma alascense | 117167 | Glossosoma | 117159 |
| Glossosoma intermedium | 117162 | Glossosoma | 117159 |
| Glossosoma oregonense | 117202 | Glossosoma | 117159 |
| Glossosoma penitus | 117165 | Glossosoma | 117159 |
| Glossosoma pyroxum | 117207 | Glossosoma | 117159 |
| Glossosoma traviatum | 117213 | Glossosoma | 117159 |
| Glossosoma wenatchee | 117220 | Glossosoma | 117159 |
| Glossosomatinae | 598219 | Glossosomatidae | 117120 |
| Glossosomatini | 598243 | Glossosomatidae | 117120 |
| Glossosomatoidea | 598167 | Trichoptera | 115095 |
| Glutops bandus | 130916 | Glutops | 130915 |
| Glyphopsyche irrorata | 116031 | Glyphopsyche | 116030 |
| Gnorimosphaeroma oregonensis | 92296 | Gnorimosphaeroma | 92295 |
| Goera | 116423 | Goera archaon | 116431 |
| Goeracea genota | 116299 | Goeracea | 116298 |
| Goeracea oregona | 116300 | Goeracea | 116298 |
| Goerinae | 568758 | Goeridae | 115934 |
| Gomphus | 101665 | Gomphidae | 101664 |
| Gonempeda | 120631 | Limoniidae | -233 |
| Graphoderus | 112165 | Dytiscidae | 111963 |
| Graphoderus liberus | 112167 | Dytiscidae | 111963 |
| Graphoderus perplexus | 112168 | Dytiscidae | 111963 |
| Grensia praeterita | 116296 | Limnephilidae | 115933 |
| Gyraulus deflectus | 76594 | Gyraulus | 76592 |
| Gyraulus parvus | 76595 | Gyraulus | 76592 |
| Gyrinus | 112654 | Gyrinidae | 112653 |
| Gyrinus bifarius | 112690 | Gyrinidae | 112653 |
| Gyrinus consobrinus | 112688 | Gyrinidae | 112653 |
| Gyrinus maculiventris | 112662 | Gyrinidae | 112653 |
| Gyrinus picipes | 112659 | Gyrinidae | 112653 |
| Gyrinus plicifer | 112672 | Gyrinidae | 112653 |
| Haemopis grandis | 69409 | Haemopis | 69408 |
| Hansonoperla | 102988 | Perlidae | 102914 |
| Haploperla | 103260 | Chloroperlidae | 103202 |
| Haploperla chilnualna | 103267 | Chloroperlidae | 103202 |
| Haplotaxida | 68498 | Haplotaxis | 68505 |
| Haplotaxidae | 68504 | Haplotaxis | 68505 |
| Hayesomyia senata | -158 | Thienemannimyia Group | -276 |
| Helicopsyche borealis | 117020 | Helicopsyche | 117016 |
| Helicopsychidae | 117015 | Helicopsyche | 117016 |
| Helisoma anceps | 76600 | Helisoma | 76599 |
| Helobdella papillata | 69403 | Helobdella | 69396 |
| Helobdella stagnalis | 69398 | Helobdella | 69396 |
| Helobdella triserialis | 69399 | Helobdella | 69396 |
| Helochares normatus | 722315 | Helochares | 113150 |
| Helodon | -144 | Helodon/Prosimulium | -272 |
| Helopelopia | 128131 | Thienemannimyia Group | -276 |
| Hemerodromiinae | 136290 | Empididae | 135830 |
| Hemerodromiini | 136304 | Empididae | 135830 |
| Heptagenia | 100602 | Heptageniidae | 100504 |
| Hesperoperla | 102971 | Hesperoperla pacifica | 102972 |
| Heterlimnius | 114167 | Heterlimnius corpulentus | 114169 |
| Heterlimnius divergens | 114170 | Heterlimnius corpulentus | 114169 |
| Heterlimnius koebelei | 114168 | Heterlimnius corpulentus | 114169 |
| Heteroplectron | 116537 | Heteroplectron californicum | 116538 |
| Heterotrissocladius marcidus | 128744 | Heterotrissocladius Marcidus Group | -139 |
| Hexagenia limbata | 101552 | Hexagenia | 101537 |
| Himalopsyche phryganea | 608146 | Himalopsyche | 115243 |
| Hirudinea | 69290 | Hirudinida | 1048708 |
| Hirudinidae | 69407 | Hirudinida | 1048708 |
| Holorusia hespera | -229 | Holorusia | 118890 |
| Hyalella azteca | 94026 | Hyalella | 94025 |
| Hyalellidae | 94022 | Hyalella | 94025 |
| Hybomitra | 131321 | Tabanidae | 130934 |
| Hydatophylax festivus | 608819 | Hydatophylax | 115995 |
| Hydatophylax hesperus | 115998 | Hydatophylax | 115995 |
| Hydraena | 112757 | Hydraenidae | 112756 |
| Hydridae | 50844 | Hydra | 50845 |
| Hydrobia | 70494 | Truncatelloidea | -228 |
| Hydrobiidae | 70493 | Truncatelloidea | -228 |
| Hydroperla | 103106 | Perlidae | 102914 |
| Hydroporini | 728229 | Hydroporinae | 678402 |
| Hydroporus | 112390 | Hydroporinae | 678402 |
| Hydropsyche (Hydropsyche) | 598727 | Hydropsyche | 115453 |
| Hydropsyche californica | 115455 | Hydropsyche | 115453 |
| Hydropsyche occidentalis | 115513 | Hydropsyche | 115453 |
| Hydropsychinae | 598191 | Hydropsychidae | 115398 |
| Hydroptila ajax | 115643 | Hydroptila | 115641 |
| Hydroptila arctia | 115695 | Hydroptila | 115641 |
| Hydroptila consimilis | 115647 | Hydroptila | 115641 |
| Hydroptila lenora | 115713 | Hydroptila | 115641 |
| Hydroptila rono | 115666 | Hydroptila | 115641 |
| Hydroptila xera | 115708 | Hydroptila | 115641 |
| Hydroptilidae sp. AJF#01 | -210 | Hydroptilidae | 115629 |
| Hydroptilidae sp. AJF#02 | -211 | Hydroptilidae | 115629 |
| Hydroptilidae sp. RAI # 0001 | -133 | Ochrotrichia | 115714 |
| Hydrotrupes palpalis | 112598 | Dytiscidae | 111963 |
| Hydrovatus | 112257 | Hydroporinae | 678402 |
| Hydrozetes | 553094 | Oribatida | 733326 |
| Hydrozoa | 48739 | Hydra | 50845 |
| Hygrotus | 112200 | Hydroporinae | 678402 |
| Hygrotus sayi | 112205 | Hydroporinae | 678402 |
| Hygrotus tumidiventris | 112224 | Hydroporinae | 678402 |
| Ilybiosoma | 728239 | Agabinae | 728212 |
| Ilybius | 112181 | Agabinae | 728212 |
| Ilybius fraterculus | 112182 | Agabinae | 728212 |
| Ilybius quadrimaculatus | 112184 | Agabinae | 728212 |
| Ilyodrilus templetoni | 68662 | Ilyodrilus | 68660 |
| Ischnura | 102078 | Coenagrionidae | 102077 |
| Ischnura cervula | 102080 | Coenagrionidae | 102077 |
| Ischnura perparva | 102087 | Coenagrionidae | 102077 |
| Isocapnia | 102740 | Capniidae | 102643 |
| Isogenoides elongatus | 103130 | Isogenoides | 103124 |
| Isonychia velma | 101042 | Isonychia | 101041 |
| Isonychiidae | 609506 | Isonychia | 101041 |
| Isoperla fulva | 103004 | Isoperla | 102995 |
| Isoperla fusca | 103029 | Isoperla | 102995 |
| Isoperla lata | 103015 | Isoperla | 102995 |
| Isoperla marmorata | 103006 | Isoperla | 102995 |
| Isoperla mormona | 103007 | Isoperla | 102995 |
| Isoperla petersoni | 103028 | Isoperla | 102995 |
| Isoperla sobria | 103037 | Isoperla | 102995 |
| Isoperlinae | 609859 | Perlodidae | 102994 |
| Juga bulbosa | 71584 | Juga | 71570 |
| Juga hemphilli | 71600 | Juga | 71570 |
| Juga plicifera | 71571 | Juga | 71570 |
| Juga silicula | 71594 | Juga | 71570 |
| Kathroperla perdita | 103237 | Kathroperla | 103236 |
| Kincaidiana hexatheca | 68471 | Kincaidiana | 68470 |
| Kogotus | 103149 | Kogotus/Rickera | -20 |
| Kogotus nonus | 103150 | Kogotus/Rickera | -20 |
| Labiobaetis sonajuventus | -169 | Labiobaetis | 568552 |
| Laccodytes | 112268 | Dytiscidae | 111963 |
| Laccophilus maculosus | 112279 | Laccophilus | 112278 |
| Laccophilus maculosus decipiens | 193558 | Laccophilus | 112278 |
| Lara avara | 114139 | Lara | 114137 |
| Lauterborniella agrayloides | 129526 | Lauterborniella | 129525 |
| Lenarchus | 116349 | Limnephilidae | 115933 |
| Lepidostoma (Neodinarthrum) | 598779 | Lepidostoma | 116794 |
| Lepidostoma baxea | 116891 | Lepidostoma | 116794 |
| Lepidostoma cascadense | 116886 | Lepidostoma | 116794 |
| Lepidostoma cinereum | 116888 | Lepidostoma | 116794 |
| Lepidostoma hoodi | 116879 | Lepidostoma | 116794 |
| Lepidostoma Hoodi Group | -255 | Lepidostoma | 116794 |
| Lepidostoma pluviale | 116875 | Lepidostoma | 116794 |
| Lepidostoma Pluviale Group | -21 | Lepidostoma | 116794 |
| Lepidostoma podagrum | 116815 | Lepidostoma | 116794 |
| Lepidostoma roafi | 116818 | Lepidostoma | 116794 |
| Lepidostoma togatum | 116847 | Lepidostoma | 116794 |
| Lepidostoma unicolor | 116821 | Lepidostoma | 116794 |
| Lepidostoma Unicolor Group | -257 | Lepidostoma | 116794 |
| Lepidostomatidae | 116793 | Lepidostoma | 116794 |
| Lepidotoma-panel case larvae | -258 | Lepidostoma | 116794 |
| Leptophlebia | 101148 | Leptophlebiidae | 101095 |
| Lestes congener | 102062 | Lestes | 102061 |
| Lestes disjunctus | 102063 | Lestes | 102061 |
| Lestes dryas | 102066 | Lestes | 102061 |
| Leucorrhinia proxima | 101892 | Libellulidae | 101797 |
| Leucotrichia pictipes | 115631 | Leucotrichia | 115630 |
| Leuctra | 102844 | Leuctridae | 102840 |
| Libellula | 101893 | Libellulidae | 101797 |
| Libellula forensis | 101911 | Libellulidae | 101797 |
| Limnactiniidae | 52810 | Hydra | 50845 |
| Limnebius | 112768 | Hydraenidae | 112756 |
| Limnephilidae sp. AJF#01 | -212 | Limnephilidae | 115933 |
| Limnephilidae sp. AJF#02 | -213 | Limnephilidae | 115933 |
| Limnephilidae sp. AJF#03 | -214 | Limnephilidae | 115933 |
| Limnephilinae | 568764 | Limnephilidae | 115933 |
| Limnodrilus hoffmeisteri | 68639 | Limnodrilus | 68638 |
| Limnophila | 120164 | Eloeophila | -246 |
| Limnophilinae | -247 | Limoniidae | -233 |
| Limnophilinae | -245 | Limoniidae | -233 |
| Limnophora | 150730 | Muscidae | 150025 |
| Limonia | 119704 | Dicranomyia | -241 |
| Limoniinae | 119654 | Limoniidae | -233 |
| Limoniinae sp. AJF#01 | -215 | Limoniidae | -233 |
| Limoniinae sp. AJF#02 | -216 | Limoniidae | -233 |
| Limoniinae sp. AJF#03 | -217 | Limoniidae | -233 |
| Liodessus | 112580 | Hydroporinae | 678402 |
| Liodessus obscurellus | 728347 | Hydroporinae | 678402 |
| Lumbriculus | 68441 | Lumbriculidae | 68440 |
| Lymnaea | 76484 | Lymnaeidae | 76483 |
| Lymnaea auricularia | 76485 | Lymnaeidae | 76483 |
| Maccaffertium terminatum | 698471 | Maccaffertium | 697957 |
| Maccaffertium vicarium | 698255 | Maccaffertium | 697957 |
| Macropelopia decedens | 128037 | Macropelopia | 128034 |
| Malenka depressa | 102577 | Malenka | 102567 |
| Mallochohelea | 127702 | Ceratopogoninae | 127338 |
| Margaritifera | 80370 | Margaritiferidae | 79914 |
| Margaritifera falcata | 80372 | Margaritiferidae | 79914 |
| Maruina lanceolata | 125394 | Maruina | 125392 |
| Matriella | 776924 | Matriella teresa | 776979 |
| Megarcys subtruncata | 103114 | Megarcys | 103110 |
| Mena | 611343 | Hydra | 50845 |
| Menetus (Micromenetus) | 573260 | Menetus | 76626 |
| Menetus opercularis | 76628 | Menetus | 76626 |
| Meringodixa chalonensis | 125874 | Meringodixa | 125873 |
| Meropelopia | 128132 | Thienemannimyia Group | -276 |
| Merycomyia | 131055 | Tabanidae | 130934 |
| Mesocapnia | 102771 | Capniidae | 102643 |
| Metrichia | 598644 | Hydroptilidae | 115629 |
| Micrasema dimicki | 116968 | Micrasema | 116958 |
| Microcylloepus pusillus | 114147 | Microcylloepus | 114146 |
| Microcylloepus similis | 114160 | Microcylloepus | 114146 |
| Micromenetus | -170 | Menetus | 76626 |
| Micromenetus dilatatus | -171 | Menetus | 76626 |
| Micropsectra/Tanytarsus | -23 | Tanytarsini | 129872 |
| Microtendipes rydalensis | 129547 | Microtendipes Rydalensis Group | -141 |
| Monohelea | 127575 | Ceratopogoninae | 127338 |
| Mooreobdella | 69449 | Erpobdella | 69444 |
| Moselia infuscata | 102910 | Moselia | 102909 |
| Moselyana | 116379 | Moselyana comosa | 116380 |
| Mystacides alafimbriatus | 116603 | Mystacides | 116598 |
| Myzobdella | 69315 | Erpobdella | 69444 |
| Nais communis | 68950 | Nais | 68946 |
| Nais variabilis | 68959 | Nais | 68946 |
| Namamyia plutonis | 116521 | Namamyia | 116520 |
| Narpus angustus | 114143 | Narpus | 114142 |
| Narpus concolor | 114144 | Narpus | 114142 |
| Nebrioporus | 728251 | Hydroporinae | 678402 |
| Nectopsyche gracilis | 116662 | Nectopsyche | 116651 |
| Nematoda | 59490 | Nemata | 563956 |
| Nemertea | 57411 | Prostoma | 57577 |
| Nemoura | 102526 | Nemouridae | 102517 |
| Neoclypeodytes | 112595 | Hydroporinae | 678402 |
| Neoclypeodytes ornatellus | 728508 | Hydroporinae | 678402 |
| Neoleptophlebia | -201 | Neoleptophlebia/Paraleptophlebia | -274 |
| Neoplanorbis | 76649 | Planorbidae | 76591 |
| Neoporus undulatus | 728426 | Neoporus | 728252 |
| Neothremma alicia | 116389 | Neothremma | 116388 |
| Nerophilus californicus | 116523 | Nerophilus | 116522 |
| Nilotanypus fimbriatus | 128203 | Nilotanypus | 128202 |
| Nimbocera | 129932 | Tanytarsus | 129978 |
| Nixe | 100692 | Afghanurus | -243 |
| Noctuidae | 117318 | Lepidoptera | 117232 |
| Nootkadrilus | -168 | Nootkadrilus | 974543 |
| Nootkadrilus longisetosus | 978138 | Nootkadrilus | 974543 |
| Ochrotrichia alsea | 115730 | Ochrotrichia | 115714 |
| Ochrotrichia stylata | 115765 | Ochrotrichia | 115714 |
| Ochthebius | 112777 | Hydraenidae | 112756 |
| Octogomphus specularis | 101737 | Octogomphus | 101736 |
| Odontomesa fulva | 128447 | Odontomesa | 128446 |
| Oecetis avara | 116608 | Oecetis | 116607 |
| Oecetis disjuncta | 116641 | Oecetis | 116607 |
| Oligia | 117424 | Lepidoptera | 117232 |
| Oliveridia | 128867 | Orthocladiinae | 128457 |
| Onocosmoecus unicolor | 116318 | Onocosmoecus | 116315 |
| Ophidonais serpentina | 68996 | Ophidonais | 68995 |
| Ophiogomphus occidentis | 101760 | Ophiogomphus | 101738 |
| Ophiogomphus severus | 101741 | Ophiogomphus | 101738 |
| Optioservus castanipennis | 193732 | Optioservus | 114177 |
| Optioservus divergens | 114178 | Optioservus | 114177 |
| Optioservus pecosensis | 114191 | Optioservus | 114177 |
| Optioservus quadrimaculatus | 114180 | Optioservus | 114177 |
| Optioservus seriatus | 114181 | Optioservus | 114177 |
| Ordobrevia | 114235 | Ordobrevia nubifera | 114236 |
| Oreodytes abbreviatus | 112315 | Oreodytes | 112314 |
| Oreodytes congruus | 568828 | Oreodytes | 112314 |
| Oreodytes obesus | 112316 | Oreodytes | 112314 |
| Oreodytes quadrimaculatus | 568830 | Oreodytes | 112314 |
| Oreodytes sanmarkii | 728513 | Oreodytes | 112314 |
| Orohermes crepusculus | 115045 | Orohermes | 115044 |
| Oroperla | 103180 | Oroperla barbara | 103181 |
| Orthocladiinae Genus 5 (Coffman and Ferrington) | -136 | Orthocladiinae | 128457 |
| Orthocladiinae sp. RAI # 0001 | -134 | Oropuella | -253 |
| Orthocladiinae sp. RAI # 0004 | -135 | Orthocladiinae | 128457 |
| Orthocladius (Orthocladius) | 568522 | Orthocladius | 128874 |
| Orthocladius annectens | 128878 | Orthocladius | 128874 |
| Orthocladius consobrinus | 128886 | Orthocladius | 128874 |
| Orthocladius lignicola | 128913 | Orthocladius (Symposiocladius) | 568523 |
| Osobenus | 103183 | Osobenus yakimae | 103184 |
| Pachydiplax | 101798 | Libellulidae | 101797 |
| Pachydiplax longipennis | 101799 | Libellulidae | 101797 |
| Pacifastacus connectens | 97328 | Pacifastacus | 97325 |
| Pacifastacus leniusculus | 97326 | Pacifastacus | 97325 |
| Pacifastacus leniusculus leniusculus | 650412 | Pacifastacus | 97325 |
| Palaeagapetus | 115849 | Palaeagapetus nearcticus | 115853 |
| Palpomyiini | 127774 | Ceratopogoninae | 127338 |
| Paracapnia | 102804 | Capniidae | 102643 |
| Paracloeodes minutus | 100901 | Paracloeodes | 100899 |
| Paralauterborniella nigrohalteralis | 129619 | Paralauterborniella | 129616 |
| Paraleptophlebia | 101187 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia bicornuta | 101206 | Paraleptophlebia Bicornuta Group | -198 |
| Paraleptophlebia clara | 101192 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia debilis | 101193 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia gregalis | 101195 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia heteronea | 101212 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia memorialis | 101214 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia temporalis | 101226 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleptophlebia vaciva | 101227 | Neoleptophlebia/Paraleptophlebia | -274 |
| Paraleuctra | 102887 | Leuctridae | 102840 |
| Paraleuctra occidentalis | 102890 | Leuctridae | 102840 |
| Parameletus | 100982 | Siphlonuridae | 100951 |
| Paramerina | 128207 | Zavrelimyia | 128259 |
| Paramerina/Zavrelimyia | -26 | Zavrelimyia | 128259 |
| Parapelopia | 128067 | Tanypodinae | 127994 |
| Paraperla frontalis | 103234 | Paraperla | 103233 |
| Parapoynx | 117714 | Lepidoptera | 117232 |
| Parthina linea | 116526 | Parthina | 116525 |
| Paucicalcaria | 598624 | Hydroptilidae | 115629 |
| Pedomoecus | 115972 | Pedomoecus sierra | 115973 |
| Pelecorhynchidae | 130914 | Glutops | 130915 |
| Peltodytes callosus | 111935 | Peltodytes | 111923 |
| Peltoperla | 102489 | Peltoperlidae | 102488 |
| Pericoma | 125514 | Pericomaini | -242 |
| Pericoma/Telmatoscopus | -142 | Pericomaini | -242 |
| Perithemis | 101803 | Libellulidae | 101797 |
| Perlesta | 103251 | Perlidae | 102914 |
| Perlinodes | 103134 | Perlinodes aureus | 103135 |
| Perlodinae | 102915 | Perlodidae | 102994 |
| Philorus | 121278 | Blephariceridae | 121227 |
| Phyllodromia | 136302 | Empididae | 135830 |
| Physa | 76677 | Physella | 76698 |
| Physidae | 76676 | Physella | 76698 |
| Pictetiella | 103186 | Perlidae | 102914 |
| Pictetiella expansa | 103188 | Perlidae | 102914 |
| Pionopsis | 83404 | Pionidae | 83330 |
| Piscicola | 69304 | Piscicolidae | 69296 |
| Piscicola milneri | 69308 | Piscicolidae | 69296 |
| Piscicola salmositica | 69309 | Cystobranchus salmositicus | -156 |
| Pisidae | 621491 | Sphaeriidae | 81389 |
| Pisidiidae | 81388 | Sphaeriidae | 81389 |
| Placobdella | 69363 | Glossiphoniidae | 69357 |
| Placobdella ornata | 69366 | Glossiphoniidae | 69357 |
| Planaria | 54528 | Trepaxonemata | 914204 |
| Planariidae | 54502 | Trepaxonemata | 914204 |
| Planorbella trivolvis | 76671 | Planorbella | 76654 |
| Planorbula | 76629 | Planorbidae | 76591 |
| Platambus | 728241 | Agabinae | 728212 |
| Plathemis | 101808 | Agabinae | 728212 |
| Plathemis lydia | 101809 | Agabinae | 728212 |
| Platysmittia bilyji | 129014 | Platysmittia | 129013 |
| Platysmittia fimbriata | 129015 | Platysmittia | 129013 |
| Plauditus punctiventris | 568609 | Iswaeon | 776928 |
| Plectrocnemia | 568776 | Polycentropus | 117044 |
| Pleuroceridae | 71541 | Juga | 71570 |
| Plumiperla | 103305 | Chloroperlidae | 103202 |
| Plumiperla diversa | 103306 | Chloroperlidae | 103202 |
| Podocopida | 609939 | Ostracoda | 84195 |
| Polycelis coronata | 54512 | Polycelis | 54510 |
| Polycentropodinae | 598193 | Polycentropodidae | 117043 |
| Polypedilum aviceps | 129666 | Polypedilum | 129657 |
| Polypedilum tritum | 129719 | Polypedilum | 129657 |
| Pomatiopsidae | 70491 | Gastropoda | 69459 |
| Pomoleuctra | 609870 | Leuctridae | 102840 |
| Pristina aequiseta | 68879 | Pristina | 68876 |
| Pristina jenkinae | 974770 | Pristina | 68876 |
| Pristinicola | 567099 | Pristinicola hemphilli | 568126 |
| Probezzia | 127729 | Ceratopogoninae | 127338 |
| Procloeon | 206622 | Anafroptilum/Procloeon | -268 |
| Procloeon venosum | 568621 | Anafroptilum/Procloeon | -268 |
| Promenetus | 76621 | Planorbidae | 76591 |
| Promenetus umbilicatellus | 76625 | Planorbidae | 76591 |
| Pronoterus | 112617 | Noteridae | 112606 |
| Prosimuliini | 126648 | Simuliidae | 126640 |
| Prosimulium | 126703 | Helodon/Prosimulium | -272 |
| Prosimulium impostor | 126731 | Helodon/Prosimulium | -272 |
| Prostoia besametsa | 102585 | Prostoia | 102584 |
| Protanyderus | 125802 | Tanyderidae | 125799 |
| Protochauliodes spenceri | 115059 | Protochauliodes | 115053 |
| Protoptila erotica | 115226 | Protoptila | 115221 |
| Protoptilinae | 598220 | Glossosomatidae | 117120 |
| Protzia exima | 83171 | Protzia | 83170 |
| Protziidae | 83164 | Hydryphantidae | 83212 |
| Psephenus falli | 114074 | Psephenus | 114070 |
| Psephenus herricki | 114072 | Psephenus | 114070 |
| Pseudocloeon | 100771 | Labiobaetis | 568552 |
| Pseudocloeon propinquum | 568681 | Labiobaetis | 568552 |
| Pseudostenophylax edwardsi | 115993 | Pseudostenophylax | 115989 |
| Pseudosuccinea | 76528 | Lymnaeidae | 76483 |
| Pseudosuccinea columella | 76529 | Lymnaeidae | 76483 |
| Psilometriocnemus triannulatus | 129084 | Psilometriocnemus | 129083 |
| Psychoda | 125468 | Psychodini | -263 |
| Psychodinae | 125391 | Psychodidae | 125351 |
| Psychomyia flavida | 115341 | Psychomyia | 115335 |
| Psychomyia lumina | 115346 | Psychomyia | 115335 |
| Pteronarcella badia | 102486 | Pteronarcella | 102485 |
| Pteronarcella regularis | 102487 | Pteronarcella | 102485 |
| Ptilostomis ocellifera | 115873 | Ptilostomis | 115868 |
| Pycnopsyche | 116409 | Limnephilidae | 115933 |
| Pyganodon | 567112 | Unionoidea | -277 |
| Pyralidae | 117641 | Lepidoptera | 117232 |
| Pyrgulopsis | 70658 | Truncatelloidea | -228 |
| Quistadrilus multisetosus | 974772 | Quistradrilus | 68793 |
| Radix auricularia | 76526 | Radix | 76525 |
| Randidrilus | 974616 | Enchytraeidae | 68510 |
| Reomyia | -128 | Zavrelimyia | 128259 |
| Rhabdomastix (Rhabdomastix) | -260 | Rhabdomastix | 120968 |
| Rhabdomastix Fascigera Group | -32 | Rhabdomastix | 120968 |
| Rhabdomastix Setigera Group | -33 | Rhabdomastix (Lurdia) | -261 |
| Rhantus | 112086 | Colymbetinae | 678403 |
| Rhantus binotatus | 112089 | Colymbetinae | 678403 |
| Rhantus consimilis | 112096 | Colymbetinae | 678403 |
| Rheocricotopus effusus | 129093 | Rheocricotopus | 129086 |
| Rheocricotopus eminellobus | 129096 | Rheocricotopus | 129086 |
| Rheopelopia | 128226 | Thienemannimyia Group | -276 |
| Rheotanytarsus exiguus | 129957 | Rheotanytarsus | 129952 |
| Rheotanytarsus pellucidus | 129959 | Rheotanytarsus | 129952 |
| Rhips | 61422 | Nemata | 563956 |
| Rhithrogena hageni | 100583 | Rhithrogena | 100572 |
| Rhithrogena robusta | 100589 | Rhithrogena | 100572 |
| Rhizelmis nigra | 114199 | Rhizelmis | 114198 |
| Rhyacodrilis | 68767 | Rhyacodrilus | 68839 |
| Rhyacodrilus falciformis | 68840 | Rhyacodrilus | 68839 |
| Rhyacophila angelita | 115099 | Rhyacophila Angelita Group | -35 |
| Rhyacophila atrata | 115146 | Rhyacophila atrata complex | -149 |
| Rhyacophila basalis | 115100 | Rhyacophila Basalis Group | -163 |
| Rhyacophila betteni | 115101 | Rhyacophila Betteni Group | -37 |
| Rhyacophila brevicephala | 608219 | Rhyacophila | 115097 |
| Rhyacophila brunnea | 115151 | Rhyacophila Brunnea/Vemna Groups | -38 |
| Rhyacophila chilsia | 115168 | Rhyacophila Betteni Group | -37 |
| Rhyacophila coloradensis | 115156 | Rhyacophila Coloradensis Group | -39 |
| Rhyacophila ecosa | 115104 | Rhyacophila | 115097 |
| Rhyacophila Ecosa Group | -40 | Rhyacophila | 115097 |
| Rhyacophila Ecosa Group | -191 | Rhyacophila | 115097 |
| Rhyacophila grandis | 115105 | Rhyacophila Grandis Group | -41 |
| Rhyacophila hyalinata | 115159 | Rhyacophila Hyalinata Group | -42 |
| Rhyacophila inculta | 115175 | Rhyacophila Brunnea/Vemna Groups | -38 |
| Rhyacophila iranda | 115177 | Rhyacophila Vofixa Group | -52 |
| Rhyacophila lieftincki | 608414 | Rhyacophila arnaudi | 115165 |
| Rhyacophila neograndis | 115110 | Rhyacophila Grandis Group | -41 |
| Rhyacophila oreta | 115113 | Rhyacophila Oreta Group | -44 |
| Rhyacophila pellisa | 115114 | Rhyacophila atrata complex | -149 |
| Rhyacophila pellisa/valuma | -45 | Rhyacophila atrata complex | -149 |
| Rhyacophila perda | 115184 | Rhyacophila Betteni Group | -37 |
| Rhyacophila rickeri | 115186 | Rhyacophila Verrula Group | -50 |
| Rhyacophila rotunda | 115117 | Rhyacophila Rotunda Group | -46 |
| Rhyacophila sibirica | 568811 | Rhyacophila Sibirica Group | -47 |
| Rhyacophila tucula | 115189 | Rhyacophila Alberta Group | -34 |
| Rhyacophila vaccua | 115120 | Rhyacophila Betteni Group | -37 |
| Rhyacophila vaefes | 115191 | Rhyacophila Nevadensis Group | -43 |
| Rhyacophila vagrita | 115152 | Rhyacophila Vagrita Group | -48 |
| Rhyacophila valuma | 115121 | Rhyacophila atrata complex | -149 |
| Rhyacophila vedra | 115122 | Rhyacophila Betteni Group | -37 |
| Rhyacophila Vemna Group | -49 | Rhyacophila Brunnea/Vemna Groups | -38 |
| Rhyacophila verrula | 115125 | Rhyacophila Verrula Group | -50 |
| Rhyacophila vetina | 115194 | Rhyacophila vetina Complex | -157 |
| Rhyacophila viquaea | 115215 | Rhyacophila Viquaea Group | -51 |
| Rhyacophila vofixa | 115197 | Rhyacophila Vofixa Group | -52 |
| Rhyacophila vuzana | 115154 | Rhyacophila Angelita Group | -35 |
| Rhyacophilidae | 115096 | Rhyacophila | 115097 |
| Rickera | 103189 | Kogotus/Rickera | -20 |
| Rickera sorpta | 103190 | Kogotus/Rickera | -20 |
| Rissooidea | -181 | Truncatelloidea | -228 |
| Robackia demeijerei | 129733 | Robackia | 129730 |
| Sarcoptiformes | 83538 | Acari | 733321 |
| Scirtes | 113929 | Scirtidae | 113924 |
| Sepedon | 144898 | Sciomyzidae | 144653 |
| Sericostomatidae | 116982 | Gumaga | 117003 |
| Sericostriata | 598589 | Sericostriata surdickae | 605894 |
| Serratella | 101395 | Ephemerellidae | 101232 |
| Serratella teresa | 568641 | Matriella teresa | 776979 |
| Serratella tibialis | 101399 | Ephemerella tibialis | 101401 |
| Serromyia | 127614 | Ceratopogoninae | 127338 |
| Setvena bradleyi | 103194 | Setvena | 103193 |
| Sialidae | 115001 | Sialis | 115002 |
| Sialis californica | 115004 | Sialis | 115002 |
| Sialis occidens | 115006 | Sialis | 115002 |
| Sialis rotunda | 115007 | Sialis | 115002 |
| Sierraperla cora | 102515 | Sierraperla | 102514 |
| Silvius | 131062 | Tabanidae | 130934 |
| Simuliini | 126773 | Simuliidae | 126640 |
| Simulium (Eusimulium) | -150 | Simulium | 126774 |
| Simulium (Nevermannia) | -151 | Simulium | 126774 |
| Simulium arcticum | 126779 | Simulium | 126774 |
| Simulium arcticum complex | -164 | Simulium | 126774 |
| Simulium argus | 126782 | Simulium | 126774 |
| Simulium canadense | 126795 | Simulium | 126774 |
| Simulium carbunculum | -165 | Simulium | 126774 |
| Simulium defoliarti | 126812 | Simulium | 126774 |
| Simulium Malyschevi Group | -166 | Simulium | 126774 |
| Simulium piperi | 126862 | Simulium | 126774 |
| Simulium pugetense | 126867 | Simulium | 126774 |
| Simulium saxosum | -152 | Simulium | 126774 |
| Simulium tuberosum complex | -153 | Simulium | 126774 |
| Simulium venustum | 126892 | Simulium | 126774 |
| Simulium Venustum Group | -53 | Simulium | 126774 |
| Simulium virgatum | 126901 | Simulium | 126774 |
| Simulium vittatum complex | -167 | Simulium | 126774 |
| Simyra | 117482 | Lepidoptera | 117232 |
| Sisyra | 115090 | Sisyridae | 115085 |
| Skwala americana | 568735 | Skwala | 103102 |
| Skwala curvata | 103105 | Skwala | 103102 |
| Slavina appendiculata | 68856 | Slavina | 68855 |
| Somatochlora | 101947 | Corduliidae | 102020 |
| Sperchopsis | 112931 | Hydrophilidae | 112811 |
| Sphaeromias | 127761 | Ceratopogoninae | 127338 |
| Spirosperma nikolskyi | 68781 | Spirosperma | 68780 |
| Stagnicola | 76534 | Lymnaeidae | 76483 |
| Stenonema | 100507 | Maccaffertium | 697957 |
| Stictotarsus | 568826 | Hydroporinae | 678402 |
| Stictotarsus griseostriatus | 728483 | Hydroporinae | 678402 |
| Stictotarsus striatellus | 568829 | Hydroporinae | 678402 |
| Stilobezzia | 127619 | Ceratopogoninae | 127338 |
| Stratiomys | 130627 | Stratiomyidae | 130150 |
| Stylaria lacustris | 68872 | Stylaria | 68871 |
| Stylodrilus heringianus | 68452 | Stylodrilus | 68450 |
| Stylurus | 101666 | Stylurus olivaceus | 593023 |
| Sublettea coffmani | 129976 | Sublettea | 129975 |
| Suwallia | 103254 | Neaviperla/Suwallia | -273 |
| Suwallia autumna | 103257 | Neaviperla/Suwallia | -273 |
| Suwallia forcipata | 609888 | Neaviperla/Suwallia | -273 |
| Suwalliini | -222 | Neaviperla/Suwallia | -273 |
| Sweltsa adamantea | 568724 | Sweltsa | 103273 |
| Sympetrum | 101976 | Libellulidae | 101797 |
| Symplecta | -235 | Limoniidae | -233 |
| Tabanus | 131527 | Tabanidae | 130934 |
| Taenionema | 102519 | Taeniopterygidae | 102788 |
| Taenionema californicum | 102820 | Taeniopterygidae | 102788 |
| Taenionema pallidum | 102827 | Taeniopterygidae | 102788 |
| Taeniopteryx nivalis | 102798 | Taeniopteryx | 102789 |
| Talitridae | 95032 | Hyalella | 94025 |
| Telopelopia | 128233 | Thienemannimyia Group | -276 |
| Thaumalea | 126629 | Thaumaleidae | 126624 |
| Thermonectus | 112109 | Dytiscidae | 111963 |
| Theromyzon | 69375 | Glossiphoniidae | 69357 |
| Thienemannia gracilis | 129181 | Thienemannia | 129179 |
| Thienemannimyia | 128236 | Thienemannimyia Group | -276 |
| Thienemannimyia complex | -54 | Thienemannimyia Group | -276 |
| Thienemannimyia senata | 128245 | Thienemannimyia Group | -276 |
| Thienemanniola | 568514 | Chironomidae | 127917 |
| Timpanoga | 101317 | Timpanoga hecuba | 101318 |
| Timpanoga hecuba hecuba | 101320 | Timpanoga hecuba | 101318 |
| Tipula arnaudi | 119078 | Tipula | 119037 |
| Tipula dis | 119188 | Tipula | 119037 |
| Tipulidae sp. MAA#01 | -218 | Tipulidae | 118840 |
| Tipulidae sp. MAA#02 | -219 | Tipulidae | 118840 |
| Tipuloidea | -231 | Nematocera | 118832 |
| Todothyas | -240 | Parathyas | -275 |
| Tramea | 101818 | Libellulidae | 101797 |
| Traverella albertana | 101097 | Traverella | 101096 |
| Tribelos jucundus | 129827 | Tribelos | 129820 |
| Trichoptera sp. AJF#01 | -220 | Trichoptera | 115095 |
| Trichoptera sp. AJF#02 | -221 | Trichoptera | 115095 |
| Tricladida | 54468 | Trepaxonemata | 914204 |
| Tricorythodes explicatus | 101419 | Tricorythodes | 101405 |
| Tricorythodes minutus | 101413 | Tricorythodes | 101405 |
| Tricyphona | -250 | Pediciidae | -232 |
| Triznaka | 103308 | Chloroperlidae | 103202 |
| Tubificidae | 68585 | Tubificinae | -138 |
| Tubificina | 68509 | Tubificinae | -138 |
| Tubularia | 48914 | Trepaxonemata | 914204 |
| Turbellaria | 53964 | Trepaxonemata | 914204 |
| Tvetenia bavarica | 129205 | Tvetenia Bavarica Group | -55 |
| Tvetenia paucunca | 129201 | Tvetenia | 129197 |
| Tvetenia tshernovskii | -160 | Tvetenia Discoloripes Group | -56 |
| Tvetenia vitracies | 129203 | Tvetenia Discoloripes Group | -56 |
| Tvetenia Vitracies Group | -57 | Tvetenia Discoloripes Group | -56 |
| Uenoinae | 568761 | Uenoidae | 568757 |
| Uncinais uncinata | 68990 | Uncinais | 68989 |
| Unionidae | 79913 | Unionoidea | -277 |
| Unionoida | 79912 | Unionoidea | -277 |
| Utacapnia | 102752 | Capniidae | 102643 |
| Utaperla | 103297 | Paraperlinae | 609856 |
| Uvarus | 112575 | Hydroporinae | 678402 |
| Uvarus subtilis | 193571 | Hydroporinae | 678402 |
| Valvata humeralis | 70358 | Valvata | 70346 |
| Valvatidae | 70345 | Valvata | 70346 |
| Visoka | 102614 | Visoka cataractae | 102615 |
| Vorticifex effusa | 568466 | Vorticifex | 76673 |
| Wormaldia anilla | 115259 | Wormaldia | 115258 |
| Wormaldia gabriella | 115261 | Wormaldia | 115258 |
| Xenochironomus | 129837 | Xenochironomus xenolabis | 129838 |
| Xylotopus par | 129209 | Xylotopus | 129208 |
| Ylodes | 598372 | Triaenodes | 116565 |
| Yoraperla brevis | 102512 | Yoraperla | 102510 |
| Yoraperla nigrisoma | 568730 | Yoraperla | 102510 |
| Yoraperla siletz | 568731 | Yoraperla | 102510 |
| Yphria californica | 115923 | Yphria | 115922 |
| Zaitzevia milleri | 114207 | Zaitzevia | 114205 |
| Zaitzevia parvula | -154 | Zaitzevia | 114205 |
| Zaitzevia parvulus | 114206 | Zaitzevia | 114205 |
| Zaitzevia posthonia | -155 | Zaitzevia | 114205 |
| Zapada chila | 102599 | Zapada Oregonensis Group | -58 |
| Zapada oregonensis | 102597 | Zapada Oregonensis Group | -58 |
| Zoniagrion | 102100 | Coenagrionidae | 102077 |