Insects & Arthropods of Maine
The insects & arthropods most often spotted in Maine, ranked by recent research-grade observations.
Most-observed insects & arthropods in Maine
Monarch
Danaus plexippus
4,794 observations
Common Eastern Bumble Bee
Bombus impatiens
4,527 observations
Hickory Tussock Moth
Lophocampa caryae
3,708 observations
Asian Lady Beetle
Harmonia axyridis
3,071 observations
Tricolored Bumble Bee
Bombus ternarius
3,057 observations · iNaturalist
Red-spotted Admiral
Limenitis arthemis
2,441 observations
Banded Tussock Moth
Halysidota tessellaris
2,272 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,929 observations
Western Honey Bee
Apis mellifera
1,915 observations
American Lady
Vanessa virginiensis
1,752 observations
Rosy Maple Moth
Dryocampa rubicunda
1,582 observations · iNaturalist
North American Luna Moth
Actias luna
1,568 observations
Japanese Beetle
Popillia japonica
1,514 observations
Eastern Calligrapher
Toxomerus geminatus
1,487 observations
Fall Webworm Moth
Hyphantria cunea
1,384 observations
Brown-tail Moth
Euproctis chrysorrhoea
1,361 observations · iNaturalist
Eastern Tent Caterpillar Moth
Malacosoma americana
1,338 observations · iNaturalist
Margined Calligrapher
Toxomerus marginatus
1,310 observations · iNaturalist
Canadian Tiger Swallowtail
Papilio canadensis
1,302 observations
Goldenrod Crab Spider
Misumena vatia
1,275 observations
Two-striped Grasshopper
Melanoplus bivittatus
1,257 observations · iNaturalist
Western Conifer Seed Bug
Leptoglossus occidentalis
1,219 observations · iNaturalist
Winter Firefly
Photinus corruscus
1,208 observations · iNaturalist
Black Swallowtail
Papilio polyxenes
1,194 observations
Cross Orbweaver
Araneus diadematus
1,190 observations
Milkweed Tussock Moth
Euchaetes egle
1,172 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,160 observations
Northern Paper Wasp
Polistes fuscatus
1,145 observations
Red Admiral
Vanessa atalanta
1,133 observations
Virginia Ctenucha Moth
Ctenucha virginica
1,104 observations
Great Spangled Fritillary
Argynnis cybele
1,103 observations · iNaturalist
American Dagger
Acronicta americana
1,102 observations
Oriental Beetle
Exomala orientalis
1,087 observations · iNaturalist
Autumn Meadowhawk
Sympetrum vicinum
1,083 observations
Small White
Pieris rapae
1,069 observations
White-marked Tussock Moth
Orgyia leucostigma
1,067 observations · iNaturalist
Pale Beauty
Campaea perlata
1,063 observations · iNaturalist
Spongy Moth
Lymantria dispar
1,011 observations
Common Ringlet
Coenonympha california
1,006 observations
White-spotted Sawyer
Monochamus scutellatus
990 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
937 observations
Yellow Garden Spider
Argiope aurantia
935 observations
Virginian Tiger Moth
Spilosoma virginica
924 observations
Polyphemus Moth
Antheraea polyphemus
873 observations
Mourning Cloak
Nymphalis antiopa
869 observations
Hemlock Looper Moth
Lambdina fiscellaria
850 observations
Chalk-fronted Corporal
Ladona julia
843 observations · iNaturalist
Pale Green Assassin Bug
Zelus luridus
817 observations
Sweetfern Geometer Moth
Cyclophora pendulinaria
804 observations · iNaturalist
Common Whitetail
Plathemis lydia
800 observations