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Common Eastern Bumble Bee
Bombus impatiens
6,009 observations
Monarch
Danaus plexippus
3,602 observations
Asian Lady Beetle
Harmonia axyridis
3,144 observations
Western Honey Bee
Apis mellifera
2,783 observations
Invasive
Spotted Lanternfly
Lycorma delicatula
1,707 observations
Ligated Furrow Bee
Halictus ligatus
1,674 observations
Black Swallowtail
Papilio polyxenes
1,475 observations
Eastern Carpenter Bee
Xylocopa virginica
1,466 observations
Brown-belted Bumble Bee
Bombus griseocollis
1,458 observations
Eastern Tiger Swallowtail
Papilio glaucus
1,320 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,258 observations
Blue Dasher
Pachydiplax longipennis
1,248 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,217 observations
Spongy Moth
Lymantria dispar
1,208 observations
Huron Skipper
Atalopedes huron
1,184 observations
Spicebush Swallowtail
Papilio troilus
1,130 observations
Small White
Pieris rapae
1,087 observations
Oriental Beetle
Exomala orientalis
1,025 observations
Silver-spotted Skipper
Epargyreus clarus
1,020 observations
Northern Paper Wasp
Polistes fuscatus
1,017 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
956 observations
Winter Firefly
Photinus corruscus
927 observations
Zabulon Skipper
Lon zabulon
885 observations
Elegant Grass-veneer
Microcrambus elegans
883 observations
Eastern Calligrapher
Toxomerus geminatus
872 observations
Hickory Tussock Moth
Lophocampa caryae
871 observations
Chinese Mantis
Tenodera sinensis
855 observations
Margined Calligrapher
Toxomerus marginatus
851 observations
Broad-necked Root Borer
Prionus laticollis
819 observations
Brown Marmorated Stink Bug
Halyomorpha halys
812 observations
Ebony Jewelwing
Calopteryx maculata
810 observations
Pale Beauty
Campaea perlata
799 observations
Bald-faced Hornet
Dolichovespula maculata
793 observations
Ailanthus Webworm Moth
Atteva aurea
793 observations
Acanthocephala terminalis
Acanthocephala terminalis
784 observations
Pale Green Assassin Bug
Zelus luridus
768 observations
Lesser Maple Spanworm Moth
Macaria pustularia
756 observations
Great Spangled Fritillary
Argynnis cybele
744 observations
Common Whitetail
Plathemis lydia
742 observations
Eastern Pondhawk
Erythemis simplicicollis
736 observations
Peck's Skipper
Polites peckius
736 observations
Polyphemus Moth
Antheraea polyphemus
712 observations
Japanese Beetle
Popillia japonica
703 observations
Bicolored Striped Sweat Bee
Agapostemon virescens
688 observations
American Lady
Vanessa virginiensis
684 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
678 observations
Great Golden Digger Wasp
Sphex ichneumoneus
651 observations
Large Milkweed Bug
Oncopeltus fasciatus
650 observations
Red Admiral
Vanessa atalanta
636 observations
Red-spotted Admiral
Limenitis arthemis
594 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)
- Black Swallowtail (Papilio polyxenes)
- Eastern Carpenter Bee (Xylocopa virginica)
- Brown-belted Bumble Bee (Bombus griseocollis)
- Eastern Tiger Swallowtail (Papilio glaucus)
- The most observed insect in Connecticut is Common Eastern Bumble Bee (Bombus impatiens), with 6,009 recorded observations.
- Some of the most commonly observed invasive insects in Connecticut include:
- Spotted Lanternfly (Lycorma delicatula)