Most commonly observed introduced insects documented using iNaturalist by US state
26 states reported Western Honey Bee, Apis mellifera, as the most commonly observed introduced insect
18 states reported Asian Lady Beetle, Harmonia axyridis, as the most commonly observed introduced insect
3 states reported Spotted Lanternfly, Lycorma delicatula, as the most commonly observed introduced insect
2 states reported Leafy Spurge Hawkmoth, Hyles euphorbiae, as the most commonly observed introduced insect
1 state reported Large Yellow Underwing, Noctua pronuba, as the most commonly observed introduced insect
1 state reported Japanese Beetle, Popillia japonica, as the most commonly observed introduced insect
1 state reported Seven-spotted Lady Beetle, Coccinella septempunctata, as the most commonly observed introduced insect
Top 10 most commonly observed insects in the US (reported on iNaturalist)
Monarch, Danaus plexippus - Native to the US (but may be considered introduced in some states)
Western Honey Bee, Apis mellifera - Introduced to the US
Asian Lady Beetle, Harmonia axyridis - Introduced to the US
Common Eastern Bumble Bee, Bombus impatiens - Native to the US (but may be considered introduced in some states)
Eastern Tiger Swallowtail, Papilio glaucus - Native to the US (but may be considered introduced in some states)
Blue Dasher, Pachydiplax longipennis - Native to the US (but may be considered introduced in some states)
Eastern Pondhawk, Erythemis simplicicollis - Native to the US (but may be considered introduced in some states)
Gulf Fritillary, Dione vanillae - Native to the US (but may be considered introduced in some states)
Eastern Carpenter Bee, Xylocopa virginica - Native to the US (but may be considered introduced in some states)
Black Swallowtail, Papilio polyxenes - Native to the US (but may be considered introduced in some states)
(last updated November 2023)