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Insects & Arthropods of Maine

The insects & arthropods most often spotted in Maine, ranked by recent research-grade observations.

85,033
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 85,033 research-grade observations across the 50 most-recorded species in Maine. The most frequently seen is the Monarch, with 5,795 recorded sightings.

Most-observed insects & arthropods in Maine

Monarch
Danaus plexippus
5,795 observations
Common Eastern Bumble Bee
Bombus impatiens
5,337 observations
Hickory Tussock Moth
Lophocampa caryae
4,520 observations
Tricolored Bumble Bee
Bombus ternarius
3,774 observations · iNaturalist
Asian Lady Beetle
Harmonia axyridis
3,701 observations
Red-spotted Admiral
Limenitis arthemis
2,599 observations
Banded Tussock Moth
Halysidota tessellaris
2,479 observations
Western Honey Bee
Apis mellifera
2,249 observations
American Lady
Vanessa virginiensis
2,067 observations
Isabella Tiger Moth
Pyrrharctia isabella
2,043 observations
Eastern Calligrapher
Toxomerus geminatus
1,858 observations
Japanese Beetle
Popillia japonica
1,796 observations
North American Luna Moth
Actias luna
1,678 observations
Rosy Maple Moth
Dryocampa rubicunda
1,638 observations · iNaturalist
Margined Calligrapher
Toxomerus marginatus
1,533 observations · iNaturalist
Fall Webworm Moth
Hyphantria cunea
1,485 observations
Two-striped Grasshopper
Melanoplus bivittatus
1,481 observations · iNaturalist
Western Conifer Seed Bug
Leptoglossus occidentalis
1,469 observations · iNaturalist
Great Spangled Fritillary
Argynnis cybele
1,404 observations · iNaturalist
Canadian Tiger Swallowtail
Papilio canadensis
1,376 observations
Brown-tail Moth
Euproctis chrysorrhoea
1,370 observations · iNaturalist
Eastern Tent Caterpillar Moth
Malacosoma americana
1,364 observations · iNaturalist
Milkweed Tussock Moth
Euchaetes egle
1,361 observations
Oriental Beetle
Exomala orientalis
1,343 observations · iNaturalist
Goldenrod Crab Spider
Misumena vatia
1,330 observations
Cross Orbweaver
Araneus diadematus
1,328 observations
Autumn Meadowhawk
Sympetrum vicinum
1,295 observations
Black Swallowtail
Papilio polyxenes
1,294 observations
White-marked Tussock Moth
Orgyia leucostigma
1,291 observations · iNaturalist
Two-spotted Bumble Bee
Bombus bimaculatus
1,274 observations
Small White
Pieris rapae
1,273 observations
Northern Paper Wasp
Polistes fuscatus
1,250 observations
Winter Firefly
Photinus corruscus
1,227 observations · iNaturalist
Virginia Ctenucha Moth
Ctenucha virginica
1,196 observations
Red Admiral
Vanessa atalanta
1,176 observations
American Dagger
Acronicta americana
1,168 observations
Pale Beauty
Campaea perlata
1,166 observations · iNaturalist
Spongy Moth
Lymantria dispar
1,149 observations
Common Ringlet
Coenonympha california
1,110 observations
Common Drone Fly
Eristalis tenax
1,086 observations
White-spotted Sawyer
Monochamus scutellatus
1,039 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
1,008 observations
Yellow Garden Spider
Argiope aurantia
1,005 observations
Black-shouldered Drone Fly
Eristalis dimidiata
983 observations · iNaturalist
Mourning Cloak
Nymphalis antiopa
967 observations
Virginian Tiger Moth
Spilosoma virginica
949 observations
Polyphemus Moth
Antheraea polyphemus
948 observations
Pale Green Assassin Bug
Zelus luridus
947 observations
American Copper
Lycaena hypophlaeas
934 observations · iNaturalist
Hemlock Looper Moth
Lambdina fiscellaria
920 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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