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Western Honey Bee
Apis mellifera
7,799 observations
Asian Lady Beetle
Harmonia axyridis
5,706 observations
Black-tailed Bumble Bee
Bombus melanopygus
4,315 observations
Fuzzy-Horned Bumble Bee
Bombus mixtus
4,073 observations
Woodland Skipper
Ochlodes sylvanoides
4,038 observations
European Mantis
Mantis religiosa
3,624 observations
European Paper Wasp
Polistes dominula
3,589 observations
Isabella Tiger Moth
Pyrrharctia isabella
3,391 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
3,326 observations
Brown Marmorated Stink Bug
Halyomorpha halys
3,297 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
3,277 observations
Western Tiger Swallowtail
Papilio rutulus
3,179 observations
Lorquin's Admiral
Limenitis lorquini
2,991 observations
Silver-spotted Tiger Moth
Lophocampa argentata
2,918 observations
Small White
Pieris rapae
2,649 observations
Yellow-faced Bumble Bee
Bombus vosnesenskii
2,600 observations
Great Golden Digger Wasp
Sphex ichneumoneus
2,384 observations
Pacific Forktail
Ischnura cervula
2,257 observations
Eight-spotted Skimmer
Libellula forensis
2,244 observations
Large Yellow Underwing
Noctua pronuba
2,101 observations
Invasive
Common Red Soldier Beetle
Rhagonycha fulva
2,089 observations
Spotted Tussock Moth
Lophocampa maculata
2,029 observations
Yellow-fronted Bumble Bee
Bombus flavifrons
1,985 observations
Western Boxelder Bug
Boisea rubrolineata
1,931 observations
California Tortoiseshell
Nymphalis californica
1,854 observations
Bald-faced Hornet
Dolichovespula maculata
1,783 observations
Echo Azure
Celastrina echo
1,769 observations
Western Polished Lady Beetle
Cycloneda polita
1,746 observations
Western Tent Caterpillar Moth
Malacosoma californica
1,693 observations
Cinnabar moth
Tyria jacobaeae
1,680 observations
Blue Dasher
Pachydiplax longipennis
1,630 observations
Narrow-collared Snail-eating Beetle
Scaphinotus angusticollis
1,625 observations
Bronze Ground Beetle
Carabus nemoralis
1,586 observations
Orange-legged Furrow Bee
Halictus rubicundus
1,581 observations
Painted Lady
Vanessa cardui
1,519 observations
Invasive
Southern Oak Bush-cricket
Meconema meridionale
1,473 observations
Pale Swallowtail
Papilio eurymedon
1,470 observations
Virginian Tiger Moth
Spilosoma virginica
1,409 observations
Snowberry Checkerspot
Euphydryas colon
1,409 observations
Western Earwig
Forficula dentata
1,383 observations
Western Yellowjacket
Vespula pensylvanica
1,366 observations
Blue-green Sharpshooter
Graphocephala atropunctata
1,315 observations
Convergent Lady Beetle
Hippodamia convergens
1,269 observations
Boisduval's Blue
Icaricia icarioides
1,241 observations
Clodius Parnassian
Parnassius clodius
1,226 observations
Tissue Moth
Triphosa haesitata
1,213 observations
Brown-lined Looper
Neoalcis californiaria
1,181 observations
Common Drone Fly
Eristalis tenax
1,109 observations
Banded Alder Borer
Rosalia funebris
1,104 observations
Red Admiral
Vanessa atalanta
1,093 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)
- Woodland Skipper (Ochlodes sylvanoides)
- European Mantis (Mantis religiosa)
- European Paper Wasp (Polistes dominula)
- Isabella Tiger Moth (Pyrrharctia isabella)
- Western Conifer Seed Bug (Leptoglossus occidentalis)
- Brown Marmorated Stink Bug (Halyomorpha halys)
- The most observed insect in Washington is Western Honey Bee (Apis mellifera), with 7,799 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)