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Common Eastern Bumble Bee
Bombus impatiens
6,562 observations
Monarch
Danaus plexippus
4,356 observations
Asian Lady Beetle
Harmonia axyridis
3,488 observations
Western Honey Bee
Apis mellifera
3,077 observations
Invasive
Spotted Lanternfly
Lycorma delicatula
2,834 observations
Ligated Furrow Bee
Halictus ligatus
1,827 observations
Eastern Tiger Swallowtail
Papilio glaucus
1,773 observations
Brown-belted Bumble Bee
Bombus griseocollis
1,753 observations
Eastern Carpenter Bee
Xylocopa virginica
1,663 observations
Black Swallowtail
Papilio polyxenes
1,611 observations
Blue Dasher
Pachydiplax longipennis
1,471 observations
Spicebush Swallowtail
Papilio troilus
1,450 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,381 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,365 observations
Small White
Pieris rapae
1,291 observations
Silver-spotted Skipper
Epargyreus clarus
1,273 observations
Oriental Beetle
Exomala orientalis
1,265 observations
Huron Skipper
Atalopedes huron
1,248 observations
Spongy Moth
Lymantria dispar
1,238 observations
Hickory Tussock Moth
Lophocampa caryae
1,181 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
1,170 observations
Great Spangled Fritillary
Argynnis cybele
1,052 observations
Northern Paper Wasp
Polistes fuscatus
1,049 observations
Elegant Grass-veneer
Microcrambus elegans
1,025 observations
Eastern Calligrapher
Toxomerus geminatus
1,008 observations
Zabulon Skipper
Lon zabulon
1,000 observations
Broad-necked Root Borer
Prionus laticollis
994 observations
Margined Calligrapher
Toxomerus marginatus
984 observations
Ebony Jewelwing
Calopteryx maculata
969 observations
Lesser Maple Spanworm Moth
Macaria pustularia
969 observations
Winter Firefly
Photinus corruscus
952 observations
Common Whitetail
Plathemis lydia
950 observations
Peck's Skipper
Polites peckius
938 observations
Chinese Mantis
Tenodera sinensis
917 observations
Pale Green Assassin Bug
Zelus luridus
878 observations
Pale Beauty
Campaea perlata
877 observations
Ailanthus Webworm Moth
Atteva aurea
862 observations
Eastern Pondhawk
Erythemis simplicicollis
859 observations
Bald-faced Hornet
Dolichovespula maculata
851 observations
Japanese Beetle
Popillia japonica
847 observations
Brown Marmorated Stink Bug
Halyomorpha halys
843 observations
Acanthocephala terminalis
Acanthocephala terminalis
824 observations
American Lady
Vanessa virginiensis
811 observations
Bicolored Striped Sweat Bee
Agapostemon virescens
801 observations
Polyphemus Moth
Antheraea polyphemus
779 observations
Green Cloverworm Moth
Hypena scabra
745 observations
Great Golden Digger Wasp
Sphex ichneumoneus
740 observations
Red-spotted Admiral
Limenitis arthemis
725 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
702 observations
Red Admiral
Vanessa atalanta
692 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 Tiger Swallowtail (Papilio glaucus)
- Brown-belted Bumble Bee (Bombus griseocollis)
- Eastern Carpenter Bee (Xylocopa virginica)
- Black Swallowtail (Papilio polyxenes)
- The most observed insect in Connecticut is Common Eastern Bumble Bee (Bombus impatiens), with 6,562 recorded observations.
- Some of the most commonly observed invasive insects in Connecticut include:
- Spotted Lanternfly (Lycorma delicatula)