Insects & Arthropods of Connecticut
The insects & arthropods most often spotted in Connecticut, ranked by recent research-grade observations.
80,360
recent observations
50
species listed
50
insects & arthropods
Naturalists have logged 80,360 research-grade observations across the 50 most-recorded species in Connecticut. The most frequently seen is the Common Eastern Bumble Bee, with 7,467 recorded sightings.
Most-observed insects & arthropods in Connecticut
Common Eastern Bumble Bee
Bombus impatiens
7,467 observations
Monarch
Danaus plexippus
4,825 observations
Asian Lady Beetle
Harmonia axyridis
4,179 observations
Western Honey Bee
Apis mellifera
3,428 observations
Spotted Lanternfly
Lycorma delicatula
2,861 observations · iNaturalist
Brown-belted Bumble Bee
Bombus griseocollis
2,092 observations
Eastern Tiger Swallowtail
Papilio glaucus
2,047 observations
Ligated Furrow Bee
Halictus ligatus
1,914 observations · iNaturalist
Eastern Carpenter Bee
Xylocopa virginica
1,879 observations
Black Swallowtail
Papilio polyxenes
1,785 observations
Blue Dasher
Pachydiplax longipennis
1,750 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,695 observations
Spongy Moth
Lymantria dispar
1,651 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,583 observations
Silver-spotted Skipper
Epargyreus clarus
1,578 observations
Spicebush Swallowtail
Papilio troilus
1,576 observations
Oriental Beetle
Exomala orientalis
1,564 observations · iNaturalist
Small White
Pieris rapae
1,495 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
1,455 observations · iNaturalist
Huron Skipper
Atalopedes huron
1,318 observations · iNaturalist
Orchard Orbweaver
Leucauge venusta
1,305 observations
Northern Paper Wasp
Polistes fuscatus
1,284 observations
Great Spangled Fritillary
Argynnis cybele
1,276 observations · iNaturalist
Hickory Tussock Moth
Lophocampa caryae
1,233 observations
Common Whitetail
Plathemis lydia
1,214 observations
Margined Calligrapher
Toxomerus marginatus
1,200 observations · iNaturalist
Zabulon Skipper
Lon zabulon
1,171 observations · iNaturalist
Eastern Calligrapher
Toxomerus geminatus
1,148 observations
Ebony Jewelwing
Calopteryx maculata
1,127 observations
American Nursery Web Spider
Pisaurina mira
1,122 observations · iNaturalist
Eastern Pondhawk
Erythemis simplicicollis
1,107 observations
Winter Firefly
Photinus corruscus
1,093 observations · iNaturalist
Elegant Grass-veneer
Microcrambus elegans
1,091 observations · iNaturalist
Chinese Mantis
Tenodera sinensis
1,091 observations
Bold Jumping Spider
Phidippus audax
1,089 observations
Peck's Skipper
Polites peckius
1,085 observations · iNaturalist
Lesser Maple Spanworm Moth
Macaria pustularia
1,079 observations · iNaturalist
Brown Marmorated Stink Bug
Halyomorpha halys
1,068 observations
Japanese Beetle
Popillia japonica
1,053 observations
Broad-necked Root Borer
Prionus laticollis
1,049 observations · iNaturalist
Pale Green Assassin Bug
Zelus luridus
1,010 observations
Ailanthus Webworm Moth
Atteva aurea
991 observations · iNaturalist
Bald-faced Hornet
Dolichovespula maculata
961 observations
Acanthocephala terminalis
Acanthocephala terminalis
960 observations · iNaturalist
Pale Beauty
Campaea perlata
953 observations · iNaturalist
Bicolored Striped Sweat Bee
Agapostemon virescens
930 observations
American Lady
Vanessa virginiensis
928 observations
Polyphemus Moth
Antheraea polyphemus
903 observations
Green Cloverworm Moth
Hypena scabra
851 observations · iNaturalist
Red-spotted Admiral
Limenitis arthemis
846 observations
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