Documentation forms for Oregon state and global ranks for invertebrate animals are provided in the table below. For detailed information on the ranking process, see Ranking Documentation. For a brief description of the meaning of the rank codes, see Rare Species Ranking Definitions.
| Scientific Name | Common Name | Global Rank | State Rank | Rank Date |
|---|---|---|---|---|
| Acupalpus punctulatus | Marsh ground beetle | G2? | S2 | 2010-07-08 |
| Aeshna sitchensis | Zigzag Darner | G5 | S2 | 2016-06-28 |
| Aeshna subarctica | Subarctic darner | G5 | S2? | 2016-06-28 |
| Agonum belleri | Beller's ground beetle | G3 | S1 | 2016-02-16 |
| Andrena winnemuccana | A miner bee | G2? | S2? | 2013-06-14 |
| Atrazonotus umbrosus | Umbrose seed bug | G3? | S3? | 2013-07-10 |
| Bombus caliginosus | Obscure bumblebee | G2G3 | S2? | 2016-06-28 |
| Bombus fervidus | Yellow bumblebee | G4? | S4 | 2023-12-11 |
| Bombus morrisoni | Morrison Bumblebee | G4G5 | S2 | 2023-12-11 |
| Bombus occidentalis | Western bumblebee | GU | S1S2 | 2010-08-09 |
| Bombus suckleyi | Suckley's cuckoo bumblebee | G1G3 | S1? | 2016-06-28 |
| Boreostolus americanus | American unique-headed bug | GNR | S3S4 | 2016-05-18 |
| Callophrys johnsoni | Johnson's hairstreak | G3G4 | S2S3 | 2023-11-14 |
| Capnia kersti | A stonefly | G1G2 | S1 | 2016-06-30 |
| Carinacauda stormi | Cascades axetail slug | G2G3 | S2S3 | 2022-11-10 |
| Cicindela hirticollis couleensis | Hairy-necked tiger beetle | G5T3 | S2? | 2016-05-18 |
| Cicindela hirticollis siuslawensis | Siuslaw hairy-necked tiger beetle | G5T1T2 | S1S2 | 2016-07-01 |
| Cicindela purpurea hatchi | A tiger beetle | G5T3T4 | S2S3? | 2016-07-01 |
| Colias christina pseudochristina | Intermountain sulphur | G3G4T2T4 | S2 | 2010-07-14 |
| Colias christina sullivanti | Sullivan's sulphur | G5T2T3 | S2 | 2012-01-10 |
| Colligyrus depressus | Harney Basin duskysnail | S2 | 2023-11-16 | |
| Colligyrus sp. 4 | Columbia duskysnail | G2 | S2 | 2011-10-07 |
| Criocoris saliens | Salien plant bug | G2? | S3 | 2016-05-18 |
| Cryptomastix devia | Puget oregonian | G3 | S1 | 2011-10-06 |
| Cryptomastix hendersoni | Columbia Gorge oregonian | G1G2 | S2 | 2019-03-22 |
| Danaus plexippus pop. 1 | Monarch - California overwintering population | G4T2T3 | S1S2B | 2018-02-23 |
| Dendrocoris arizonensis | Arizona stinkbug | G4 | S3? | 2016-05-18 |
| Deroceras hesperium | Evening fieldslug | G2 | S2 | 2011-10-21 |
| Dumontia oregonensis | A water flea | G1G3 | S1 | 2010-10-28 |
| Erpetogomphus compositus | White-belted ringtail | G5 | S4 | 2016-07-01 |
| Farula constricta | A Farulan caddisfly | G1G2 | S1S2 | 2016-07-01 |
| Fluminicola fuscus | Columbia pebblesnail | S2 | 2023-11-14 | |
| Fluminicola sp. 3 | Diminutive pebblesnail | G1 | S1 | 2011-10-21 |
| Fluminicola sp. 11 | Nerite pebblesnail | G1 | S1 | 2011-10-21 |
| Fluminicola sp. 14 | Tall pebblesnail | G1 | S1 | 2011-10-10 |
| Gomphus kurilis | Pacific clubtail | G4 | S3S4 | 2010-08-09 |
| Gomphus lynnae | Columbia clubtail | G2 | S2 | 2010-07-22 |
| Helicodiscus salmonaceus | Salmon coil | G2 | S2? | 2016-07-01 |
| Hemphillia burringtoni | Jumping-slug | G1G2 | S1S2? | 2016-07-05 |
| Hesperarion mariae | Tillamook westernslug | G3 | S3 | 2009-05-05 |
| Hesperia colorado oregonia | Oregon branded skipper | G5T3T4 | S2 | 2013-06-18 |
| Homoplectra schuhi | Schuh's Homoplectran Caddisfly | G3Q | S3? | 2016-06-24 |
| Hoplistoscelis heidemanni | Heidemann’s damsel bug | G4 | S2S3 | 2016-07-05 |
| Juga sp. 1 | Basalt juga | G2 | S2? | 2019-06-05 |
| Margaritifera falcata | Western pearlshell | G5 | S3 | 2016-07-05 |
| Megomphix lutarius | Umatilla megomphix | G1G2 | S1S2 | 2022-11-11 |
| Monadenia chaceana | Chace sideband | G2G3 | S2S3 | 2011-11-08 |
| Monadenia fidelis celeuthia | Traveling sideband | G4G5T2Q | S2 | 2016-07-06 |
| Monadenia fidelis columbiana | Columbia sideband | G4G5T2Q | S2 | 2016-07-06 |
| Monadenia fidelis minor | Oregon snail (Dalles sideband) | G4G5T2 | S1S2 | 2011-10-25 |
| Philotiella leona | Leona's little blue butterfly | G1G2 | S1 | 2009-11-16 |
| Physella cooperi | Olive physa | G3 | SU | 2010-07-20 |
| Physella virginea | Sunset physa | G4 | S1S2 | 2010-07-21 |
| Plebejus saepiolus littoralis | Coastal greenish blue | G5T1T3 | S1 | 2010-08-03 |
| Polites mardon | Mardon skipper | G2 | S2? | 2022-11-09 |
| Pristiloma crateris | Crater Lake tightcoil | G3 | S3 | 2022-11-11 |
| Pristiloma idahoense | Thinlip tightcoil | G2G3 | S1? | 2016-07-07 |
| Pristiloma johnsoni | Broadwhorl tightcoil | G2G3 | S3 | 2010-09-13 |
| Pristinicola hemphilli | Pristine springsnail | G3 | S3 | 2016-07-06 |
| Prophysaon sp. 1 | Klamath tail-dropper | G2 | S2 | 2016-07-07 |
| Pterostichus johnsoni | Johnson's waterfall carabid beetle | GNR | S3 | 2010-08-09 |
| Pterostichus rothi | Roth's blind carabid beetle | G2? | S2? | 2013-06-18 |
| Pyrgulopsis robusta | Jackson Lake springsnail | G5 | S2S3 | 2016-07-07 |
| Rhyacophila viquaea | A Rhyacophilan Caddisfly | G1G2 | S1 | 2016-07-07 |
| Scaphinotus mannii | Mann's Mollusk-eating Ground Beetle | G1G2 | S1 | 2011-11-01 |
| Speyeria coronis coronis | Coronis fritillary | G5T3T4 | S2 | 2013-06-14 |
| Speyeria cybele | Great Spangled Fritillary | G5 | S4 | 2016-07-07 |
| Vertigo andrusiana | Pacific vertigo | G2G3 | S1 | 2016-07-07 |
| Vespericola sierranus | Siskiyou hesperian | G2 | S2? | 2016-07-07 |