Insects & Arthropods of Oregon
The insects & arthropods most often spotted in Oregon, ranked by recent research-grade observations.
Most-observed insects & arthropods in Oregon
Western Honey Bee
Apis mellifera
7,054 observations
Cross Orbweaver
Araneus diadematus
5,202 observations
Bold Jumping Spider
Phidippus audax
5,129 observations
Asian Lady Beetle
Harmonia axyridis
4,779 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
4,744 observations
California Tortoiseshell
Nymphalis californica
4,575 observations
Western Boxelder Bug
Boisea rubrolineata
4,511 observations · iNaturalist
Isabella Tiger Moth
Pyrrharctia isabella
3,640 observations
European Mantis
Mantis religiosa
3,193 observations
Lorquin's Admiral
Limenitis lorquini
2,874 observations
Western Tiger Swallowtail
Papilio rutulus
2,819 observations
Zebra Jumping Spider
Salticus scenicus
2,795 observations · iNaturalist
Pacific Forktail
Ischnura cervula
2,693 observations · iNaturalist
Woodland Skipper
Ochlodes sylvanoides
2,604 observations · iNaturalist
Black-tailed Bumble Bee
Bombus melanopygus
2,597 observations · iNaturalist
European Paper Wasp
Polistes dominula
2,579 observations
Spotted Cucumber Beetle
Diabrotica undecimpunctata
2,473 observations
Brown Marmorated Stink Bug
Halyomorpha halys
2,432 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
2,406 observations · iNaturalist
Cinnabar moth
Tyria jacobaeae
2,325 observations · iNaturalist
Small White
Pieris rapae
2,324 observations
Goldenrod Crab Spider
Misumena vatia
2,295 observations
Eight-spotted Skimmer
Libellula forensis
2,289 observations
Common Whitetail
Plathemis lydia
2,265 observations
Painted Lady
Vanessa cardui
2,252 observations
California Gall Wasp
Andricus quercuscalifornicus
2,232 observations · iNaturalist
Yellow-faced Bumble Bee
Bombus vosnesenskii
2,134 observations · iNaturalist
Large Yellow Underwing
Noctua pronuba
2,022 observations
Gray Hairstreak
Strymon melinus
1,949 observations
Mylitta Crescent
Phyciodes mylitta
1,806 observations · iNaturalist
Giant House Spider
Eratigena duellica
1,802 observations · iNaturalist
Western Earwig
Forficula dentata
1,757 observations · iNaturalist
Convergent Lady Beetle
Hippodamia convergens
1,715 observations
Speckled Gall Wasp
Cynips mirabilis
1,709 observations · iNaturalist
Western Polished Lady Beetle
Cycloneda polita
1,696 observations · iNaturalist
Blue Dasher
Pachydiplax longipennis
1,678 observations
Echo Azure
Celastrina echo
1,640 observations · iNaturalist
Striped Meadowhawk
Sympetrum pallipes
1,585 observations · iNaturalist
Snowberry Checkerspot
Euphydryas colon
1,497 observations · iNaturalist
Pale Swallowtail
Papilio eurymedon
1,419 observations
Vivid Dancer
Argia vivida
1,405 observations · iNaturalist
Western Pondhawk
Erythemis collocata
1,389 observations · iNaturalist
Silver-spotted Tiger Moth
Lophocampa argentata
1,381 observations · iNaturalist
Leafhopper Assassin Bug
Zelus renardii
1,364 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
1,320 observations
Variegated Meadowhawk
Sympetrum corruptum
1,316 observations · iNaturalist
Western Yellowjacket
Vespula pensylvanica
1,302 observations · iNaturalist
Fuzzy-Horned Bumble Bee
Bombus mixtus
1,284 observations · iNaturalist
Clodius Parnassian
Parnassius clodius
1,269 observations · iNaturalist
Common Ringlet
Coenonympha california
1,260 observations