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Common Eastern Bumble Bee
Bombus impatiens
6,097 observations
Monarch
Danaus plexippus
3,646 observations
Asian Lady Beetle
Harmonia axyridis
3,250 observations
Western Honey Bee
Apis mellifera
2,854 observations
Invasive
Spotted Lanternfly
Lycorma delicatula
1,826 observations
Ligated Furrow Bee
Halictus ligatus
1,702 observations
Eastern Carpenter Bee
Xylocopa virginica
1,524 observations
Brown-belted Bumble Bee
Bombus griseocollis
1,502 observations
Black Swallowtail
Papilio polyxenes
1,481 observations
Eastern Tiger Swallowtail
Papilio glaucus
1,448 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,332 observations
Blue Dasher
Pachydiplax longipennis
1,285 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,256 observations
Spongy Moth
Lymantria dispar
1,216 observations
Huron Skipper
Atalopedes huron
1,198 observations
Spicebush Swallowtail
Papilio troilus
1,190 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
1,130 observations
Small White
Pieris rapae
1,126 observations
Silver-spotted Skipper
Epargyreus clarus
1,067 observations
Oriental Beetle
Exomala orientalis
1,038 observations
Northern Paper Wasp
Polistes fuscatus
1,021 observations
Winter Firefly
Photinus corruscus
951 observations
Elegant Grass-veneer
Microcrambus elegans
927 observations
Hickory Tussock Moth
Lophocampa caryae
924 observations
Zabulon Skipper
Lon zabulon
901 observations
Eastern Calligrapher
Toxomerus geminatus
895 observations
Margined Calligrapher
Toxomerus marginatus
871 observations
Chinese Mantis
Tenodera sinensis
869 observations
Ebony Jewelwing
Calopteryx maculata
860 observations
Pale Green Assassin Bug
Zelus luridus
847 observations
Common Whitetail
Plathemis lydia
831 observations
Pale Beauty
Campaea perlata
827 observations
Brown Marmorated Stink Bug
Halyomorpha halys
825 observations
Broad-necked Root Borer
Prionus laticollis
823 observations
Bald-faced Hornet
Dolichovespula maculata
814 observations
Acanthocephala terminalis
Acanthocephala terminalis
800 observations
Ailanthus Webworm Moth
Atteva aurea
800 observations
Peck's Skipper
Polites peckius
776 observations
Great Spangled Fritillary
Argynnis cybele
774 observations
Eastern Pondhawk
Erythemis simplicicollis
769 observations
Lesser Maple Spanworm Moth
Macaria pustularia
769 observations
American Lady
Vanessa virginiensis
735 observations
Bicolored Striped Sweat Bee
Agapostemon virescens
725 observations
Polyphemus Moth
Antheraea polyphemus
723 observations
Japanese Beetle
Popillia japonica
705 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
683 observations
Red Admiral
Vanessa atalanta
658 observations
Great Golden Digger Wasp
Sphex ichneumoneus
653 observations
Large Milkweed Bug
Oncopeltus fasciatus
651 observations
Red-spotted Admiral
Limenitis arthemis
633 observations
Frequently Asked Questions
- The 10 most common insects in Connecticut are:
- Common Eastern Bumble Bee (Bombus impatiens)
- Monarch (Danaus plexippus)
- Asian Lady Beetle (Harmonia axyridis)
- Western Honey Bee (Apis mellifera)
- Spotted Lanternfly (Lycorma delicatula)
- Ligated Furrow Bee (Halictus ligatus)
- Eastern Carpenter Bee (Xylocopa virginica)
- Brown-belted Bumble Bee (Bombus griseocollis)
- Black Swallowtail (Papilio polyxenes)
- Eastern Tiger Swallowtail (Papilio glaucus)
- The most observed insect in Connecticut is Common Eastern Bumble Bee (Bombus impatiens), with 6,097 recorded observations.
- Some of the most commonly observed invasive insects in Connecticut include:
- Spotted Lanternfly (Lycorma delicatula)