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Western Honey Bee
Apis mellifera
6,866 observations
Asian Lady Beetle
Harmonia axyridis
5,276 observations
Black-tailed Bumble Bee
Bombus melanopygus
4,231 observations
Fuzzy-Horned Bumble Bee
Bombus mixtus
3,986 observations
European Paper Wasp
Polistes dominula
3,321 observations
Woodland Skipper
Ochlodes sylvanoides
3,306 observations
Isabella Tiger Moth
Pyrrharctia isabella
3,291 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
3,214 observations
Brown Marmorated Stink Bug
Halyomorpha halys
3,106 observations
European Mantis
Mantis religiosa
3,094 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
3,006 observations
Silver-spotted Tiger Moth
Lophocampa argentata
2,581 observations
Western Tiger Swallowtail
Papilio rutulus
2,566 observations
Lorquin's Admiral
Limenitis lorquini
2,435 observations
Yellow-faced Bumble Bee
Bombus vosnesenskii
2,361 observations
Small White
Pieris rapae
2,332 observations
Great Golden Digger Wasp
Sphex ichneumoneus
2,165 observations
Pacific Forktail
Ischnura cervula
2,113 observations
Eight-spotted Skimmer
Libellula forensis
1,971 observations
Yellow-fronted Bumble Bee
Bombus flavifrons
1,924 observations
Western Boxelder Bug
Boisea rubrolineata
1,725 observations
Large Yellow Underwing
Noctua pronuba
1,724 observations
Bald-faced Hornet
Dolichovespula maculata
1,653 observations
Western Tent Caterpillar Moth
Malacosoma californica
1,651 observations
Invasive
Common Red Soldier Beetle
Rhagonycha fulva
1,638 observations
Echo Azure
Celastrina echo
1,609 observations
Western Polished Lady Beetle
Cycloneda polita
1,605 observations
Narrow-collared Snail-eating Beetle
Scaphinotus angusticollis
1,598 observations
Cinnabar moth
Tyria jacobaeae
1,515 observations
Spotted Tussock Moth
Lophocampa maculata
1,513 observations
Bronze Ground Beetle
Carabus nemoralis
1,452 observations
California Tortoiseshell
Nymphalis californica
1,445 observations
Blue Dasher
Pachydiplax longipennis
1,420 observations
Orange-legged Furrow Bee
Halictus rubicundus
1,347 observations
Western Yellowjacket
Vespula pensylvanica
1,319 observations
Virginian Tiger Moth
Spilosoma virginica
1,307 observations
Invasive
Southern Oak Bush-cricket
Meconema meridionale
1,294 observations
Pale Swallowtail
Papilio eurymedon
1,277 observations
Painted Lady
Vanessa cardui
1,219 observations
Western Earwig
Forficula dentata
1,180 observations
Tissue Moth
Triphosa haesitata
1,176 observations
Blue-green Sharpshooter
Graphocephala atropunctata
1,149 observations
Convergent Lady Beetle
Hippodamia convergens
1,143 observations
Brown-lined Looper
Neoalcis californiaria
1,088 observations
Boisduval's Blue
Icaricia icarioides
1,059 observations
Madrone Skin Miner
Marmara arbutiella
1,042 observations
California Bumble Bee
Bombus californicus
1,010 observations
Snowberry Checkerspot
Euphydryas colon
977 observations
Common Drone Fly
Eristalis tenax
971 observations
Invasive
Eurasian Drone Fly
Eristalis arbustorum
957 observations
Frequently Asked Questions
- The 10 most common insects in Washington are:
- Western Honey Bee (Apis mellifera)
- Asian Lady Beetle (Harmonia axyridis)
- Black-tailed Bumble Bee (Bombus melanopygus)
- Fuzzy-Horned Bumble Bee (Bombus mixtus)
- European Paper Wasp (Polistes dominula)
- Woodland Skipper (Ochlodes sylvanoides)
- Isabella Tiger Moth (Pyrrharctia isabella)
- Western Conifer Seed Bug (Leptoglossus occidentalis)
- Brown Marmorated Stink Bug (Halyomorpha halys)
- European Mantis (Mantis religiosa)
- The most observed insect in Washington is Western Honey Bee (Apis mellifera), with 6,866 recorded observations.
- Some of the most commonly observed invasive insects in Washington include:
- Common Red Soldier Beetle (Rhagonycha fulva)
- Southern Oak Bush-cricket (Meconema meridionale)
- Eurasian Drone Fly (Eristalis arbustorum)