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Common Eastern Bumble Bee
Bombus impatiens
6,249 observations
Monarch
Danaus plexippus
3,907 observations
Asian Lady Beetle
Harmonia axyridis
3,335 observations
Western Honey Bee
Apis mellifera
2,954 observations
Invasive
Spotted Lanternfly
Lycorma delicatula
2,136 observations
Ligated Furrow Bee
Halictus ligatus
1,781 observations
Brown-belted Bumble Bee
Bombus griseocollis
1,676 observations
Eastern Tiger Swallowtail
Papilio glaucus
1,649 observations
Eastern Carpenter Bee
Xylocopa virginica
1,559 observations
Black Swallowtail
Papilio polyxenes
1,524 observations
Blue Dasher
Pachydiplax longipennis
1,384 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,378 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,310 observations
Spicebush Swallowtail
Papilio troilus
1,297 observations
Spongy Moth
Lymantria dispar
1,231 observations
Oriental Beetle
Exomala orientalis
1,215 observations
Huron Skipper
Atalopedes huron
1,215 observations
Small White
Pieris rapae
1,198 observations
Silver-spotted Skipper
Epargyreus clarus
1,173 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
1,161 observations
Northern Paper Wasp
Polistes fuscatus
1,025 observations
Elegant Grass-veneer
Microcrambus elegans
974 observations
Eastern Calligrapher
Toxomerus geminatus
962 observations
Hickory Tussock Moth
Lophocampa caryae
953 observations
Winter Firefly
Photinus corruscus
951 observations
Great Spangled Fritillary
Argynnis cybele
939 observations
Ebony Jewelwing
Calopteryx maculata
931 observations
Margined Calligrapher
Toxomerus marginatus
930 observations
Zabulon Skipper
Lon zabulon
909 observations
Common Whitetail
Plathemis lydia
898 observations
Lesser Maple Spanworm Moth
Macaria pustularia
883 observations
Chinese Mantis
Tenodera sinensis
879 observations
Broad-necked Root Borer
Prionus laticollis
867 observations
Pale Green Assassin Bug
Zelus luridus
854 observations
Pale Beauty
Campaea perlata
836 observations
Brown Marmorated Stink Bug
Halyomorpha halys
829 observations
Eastern Pondhawk
Erythemis simplicicollis
820 observations
Bald-faced Hornet
Dolichovespula maculata
818 observations
Ailanthus Webworm Moth
Atteva aurea
818 observations
Acanthocephala terminalis
Acanthocephala terminalis
816 observations
Japanese Beetle
Popillia japonica
804 observations
Peck's Skipper
Polites peckius
800 observations
Bicolored Striped Sweat Bee
Agapostemon virescens
786 observations
American Lady
Vanessa virginiensis
769 observations
Polyphemus Moth
Antheraea polyphemus
754 observations
Green Cloverworm Moth
Hypena scabra
709 observations
Great Golden Digger Wasp
Sphex ichneumoneus
692 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
690 observations
Red Admiral
Vanessa atalanta
677 observations
Red-spotted Admiral
Limenitis arthemis
668 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)
- Brown-belted Bumble Bee (Bombus griseocollis)
- Eastern Tiger Swallowtail (Papilio glaucus)
- Eastern Carpenter Bee (Xylocopa virginica)
- Black Swallowtail (Papilio polyxenes)
- The most observed insect in Connecticut is Common Eastern Bumble Bee (Bombus impatiens), with 6,249 recorded observations.
- Some of the most commonly observed invasive insects in Connecticut include:
- Spotted Lanternfly (Lycorma delicatula)