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Insects & Arthropods of Portland, Oregon

The insects & arthropods most often spotted near Portland, ranked by recent research-grade observations.

48,292
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 48,292 research-grade observations across the 50 most-recorded species near Portland. The most frequently seen is the Cross Orbweaver, with 3,274 recorded sightings.

Most-observed insects & arthropods near Portland

Cross Orbweaver
Araneus diadematus
3,274 observations
Western Honey Bee
Apis mellifera
3,080 observations
Asian Lady Beetle
Harmonia axyridis
2,415 observations
Bold Jumping Spider
Phidippus audax
2,249 observations
Western Boxelder Bug
Boisea rubrolineata
2,085 observations · iNaturalist
Isabella Tiger Moth
Pyrrharctia isabella
1,616 observations
Black-tailed Bumble Bee
Bombus melanopygus
1,409 observations · iNaturalist
Western Conifer Seed Bug
Leptoglossus occidentalis
1,389 observations · iNaturalist
Brown Marmorated Stink Bug
Halyomorpha halys
1,294 observations
European Mantis
Mantis religiosa
1,251 observations
Zebra Jumping Spider
Salticus scenicus
1,211 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
1,204 observations
European Paper Wasp
Polistes dominula
1,146 observations
Mediterranean Katydid
Phaneroptera nana
1,128 observations · iNaturalist
Pacific Forktail
Ischnura cervula
1,119 observations · iNaturalist
Large Yellow Underwing
Noctua pronuba
1,080 observations
Western Tiger Swallowtail
Papilio rutulus
1,030 observations
Giant House Spider
Eratigena duellica
1,022 observations · iNaturalist
Common Whitetail
Plathemis lydia
1,001 observations
Cinnabar Moth
Tyria jacobaeae
991 observations · iNaturalist
Western Polished Lady Beetle
Cycloneda polita
870 observations · iNaturalist
Yellow-faced Bumble Bee
Bombus vosnesenskii
860 observations · iNaturalist
Small White
Pieris rapae
821 observations
Woodland Skipper
Ochlodes sylvanoides
798 observations · iNaturalist
Gray Hairstreak
Strymon melinus
783 observations
Leafhopper Assassin Bug
Zelus renardii
778 observations · iNaturalist
Blue Dasher
Pachydiplax longipennis
744 observations
Speckled Gall Wasp
Besbicus mirabilis
738 observations · iNaturalist
Spotted Cucumber Beetle
Diabrotica undecimpunctata
735 observations
Goldenrod Crab Spider
Misumena vatia
687 observations
Painted Lady
Vanessa cardui
621 observations
California Gall Wasp
Andricus quercuscalifornicus
612 observations · iNaturalist
Flame Skimmer
Libellula saturata
611 observations · iNaturalist
Eight-spotted Skimmer
Libellula forensis
592 observations
Western Pondhawk
Erythemis collocata
588 observations · iNaturalist
Lorquin's Admiral
Limenitis lorquini
486 observations
Tule Bluet
Enallagma carunculatum
485 observations · iNaturalist
Cardinal Meadowhawk
Sympetrum illotum
474 observations · iNaturalist
Fuzzy-Horned Bumble Bee
Bombus mixtus
458 observations · iNaturalist
Western Earwig
Forficula dentata
456 observations · iNaturalist
Yellow-haired Sun Fly
Myathropa florea
448 observations · iNaturalist
Western Yellowjacket
Vespula pensylvanica
444 observations · iNaturalist
Blue-eyed Darner
Rhionaeschna multicolor
428 observations · iNaturalist
Bald-faced Hornet
Dolichovespula maculata
416 observations
Common Green Darner
Anax junius
409 observations
Convergent Lady Beetle
Hippodamia convergens
400 observations
Variegated Meadowhawk
Sympetrum corruptum
397 observations · iNaturalist
Black Soldier Fly
Hermetia illucens
394 observations · iNaturalist
Banded Alder Borer
Rosalia funebris
386 observations · iNaturalist
Yellow-legged Mud-dauber Wasp
Sceliphron caementarium
379 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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