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Western Honey Bee
Apis mellifera
5,839 observations
Asian Lady Beetle
Harmonia axyridis
4,167 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
4,064 observations
California Tortoiseshell
Nymphalis californica
3,986 observations
Western Boxelder Bug
Boisea rubrolineata
3,841 observations
Isabella Tiger Moth
Pyrrharctia isabella
3,276 observations
Lorquin's Admiral
Limenitis lorquini
2,484 observations
European Mantis
Mantis religiosa
2,475 observations
Black-tailed Bumble Bee
Bombus melanopygus
2,394 observations
Pacific Forktail
Ischnura cervula
2,334 observations
Spotted Cucumber Beetle
Diabrotica undecimpunctata
2,290 observations
Woodland Skipper
Ochlodes sylvanoides
2,287 observations
Western Tiger Swallowtail
Papilio rutulus
2,280 observations
Brown Marmorated Stink Bug
Halyomorpha halys
2,137 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
2,125 observations
Eight-spotted Skimmer
Libellula forensis
2,015 observations
California Gall Wasp
Andricus quercuscalifornicus
2,009 observations
European Paper Wasp
Polistes dominula
2,007 observations
Invasive
Cinnabar moth
Tyria jacobaeae
1,999 observations
Common Whitetail
Plathemis lydia
1,963 observations
Painted Lady
Vanessa cardui
1,858 observations
Yellow-faced Bumble Bee
Bombus vosnesenskii
1,784 observations
Small White
Pieris rapae
1,755 observations
Gray Hairstreak
Strymon melinus
1,606 observations
Large Yellow Underwing
Noctua pronuba
1,605 observations
Speckled Gall Wasp
Cynips mirabilis
1,576 observations
Mylitta Crescent
Phyciodes mylitta
1,564 observations
Invasive
Western Earwig
Forficula dentata
1,545 observations
Echo Azure
Celastrina echo
1,462 observations
Western Polished Lady Beetle
Cycloneda polita
1,438 observations
Striped Meadowhawk
Sympetrum pallipes
1,396 observations
Blue Dasher
Pachydiplax longipennis
1,392 observations
Convergent Lady Beetle
Hippodamia convergens
1,302 observations
Leafhopper Assassin Bug
Zelus renardii
1,280 observations
Silver-spotted Tiger Moth
Lophocampa argentata
1,251 observations
Vivid Dancer
Argia vivida
1,211 observations
Invasive
European Gazelle Beetle
Nebria brevicollis
1,182 observations
Anise Swallowtail
Papilio zelicaon
1,156 observations
Western Pondhawk
Erythemis collocata
1,144 observations
Pale Swallowtail
Papilio eurymedon
1,136 observations
Fuzzy-Horned Bumble Bee
Bombus mixtus
1,133 observations
Variegated Meadowhawk
Sympetrum corruptum
1,128 observations
Snowberry Checkerspot
Euphydryas colon
1,123 observations
Cardinal Meadowhawk
Sympetrum illotum
1,108 observations
Common Ringlet
Coenonympha california
1,103 observations
Clodius Parnassian
Parnassius clodius
1,095 observations
Western Yellowjacket
Vespula pensylvanica
1,082 observations
Boisduval's Blue
Icaricia icarioides
1,039 observations
Silvery Blue
Glaucopsyche lygdamus
990 observations
Flame Skimmer
Libellula saturata
989 observations
Frequently Asked Questions
- The 10 most common insects in Oregon are:
- Western Honey Bee (Apis mellifera)
- Asian Lady Beetle (Harmonia axyridis)
- Seven-spotted Lady Beetle (Coccinella septempunctata)
- California Tortoiseshell (Nymphalis californica)
- Western Boxelder Bug (Boisea rubrolineata)
- Isabella Tiger Moth (Pyrrharctia isabella)
- Lorquin's Admiral (Limenitis lorquini)
- European Mantis (Mantis religiosa)
- Black-tailed Bumble Bee (Bombus melanopygus)
- Pacific Forktail (Ischnura cervula)
- The most observed insect in Oregon is Western Honey Bee (Apis mellifera), with 5,839 recorded observations.
- Some of the most commonly observed invasive insects in Oregon include:
- Cinnabar moth (Tyria jacobaeae)
- Western Earwig (Forficula dentata)
- European Gazelle Beetle (Nebria brevicollis)