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Common Eastern Bumble Bee
Bombus impatiens
6,075 observations
Monarch
Danaus plexippus
3,624 observations
Asian Lady Beetle
Harmonia axyridis
3,218 observations
Western Honey Bee
Apis mellifera
2,839 observations
Invasive
Spotted Lanternfly
Lycorma delicatula
1,770 observations
Ligated Furrow Bee
Halictus ligatus
1,698 observations
Eastern Carpenter Bee
Xylocopa virginica
1,513 observations
Brown-belted Bumble Bee
Bombus griseocollis
1,481 observations
Black Swallowtail
Papilio polyxenes
1,475 observations
Eastern Tiger Swallowtail
Papilio glaucus
1,446 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,317 observations
Blue Dasher
Pachydiplax longipennis
1,260 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,245 observations
Spongy Moth
Lymantria dispar
1,213 observations
Huron Skipper
Atalopedes huron
1,196 observations
Spicebush Swallowtail
Papilio troilus
1,175 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
1,117 observations
Small White
Pieris rapae
1,106 observations
Silver-spotted Skipper
Epargyreus clarus
1,039 observations
Oriental Beetle
Exomala orientalis
1,026 observations
Northern Paper Wasp
Polistes fuscatus
1,019 observations
Winter Firefly
Photinus corruscus
951 observations
Elegant Grass-veneer
Microcrambus elegans
925 observations
Hickory Tussock Moth
Lophocampa caryae
914 observations
Zabulon Skipper
Lon zabulon
895 observations
Eastern Calligrapher
Toxomerus geminatus
889 observations
Chinese Mantis
Tenodera sinensis
868 observations
Margined Calligrapher
Toxomerus marginatus
862 observations
Pale Green Assassin Bug
Zelus luridus
836 observations
Ebony Jewelwing
Calopteryx maculata
832 observations
Brown Marmorated Stink Bug
Halyomorpha halys
825 observations
Broad-necked Root Borer
Prionus laticollis
822 observations
Pale Beauty
Campaea perlata
815 observations
Bald-faced Hornet
Dolichovespula maculata
810 observations
Ailanthus Webworm Moth
Atteva aurea
800 observations
Common Whitetail
Plathemis lydia
798 observations
Acanthocephala terminalis
Acanthocephala terminalis
797 observations
Lesser Maple Spanworm Moth
Macaria pustularia
757 observations
Peck's Skipper
Polites peckius
755 observations
Eastern Pondhawk
Erythemis simplicicollis
751 observations
Great Spangled Fritillary
Argynnis cybele
751 observations
Polyphemus Moth
Antheraea polyphemus
722 observations
American Lady
Vanessa virginiensis
722 observations
Japanese Beetle
Popillia japonica
704 observations
Bicolored Striped Sweat Bee
Agapostemon virescens
702 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
683 observations
Red Admiral
Vanessa atalanta
653 observations
Great Golden Digger Wasp
Sphex ichneumoneus
653 observations
Large Milkweed Bug
Oncopeltus fasciatus
651 observations
Red-spotted Admiral
Limenitis arthemis
620 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 6,075 recorded observations.
- Some of the most commonly observed invasive insects in Connecticut include:
- Spotted Lanternfly (Lycorma delicatula)