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Insects & Arthropods of Maine

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

85,443
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 85,443 research-grade observations across the 50 most-recorded species in Maine. The most frequently seen is the Monarch, with 5,805 recorded sightings.

Most-observed insects & arthropods in Maine

Monarch
Danaus plexippus
5,805 observations
Common Eastern Bumble Bee
Bombus impatiens
5,368 observations
Hickory Tussock Moth
Lophocampa caryae
4,531 observations
Tricolored Bumble Bee
Bombus ternarius
3,811 observations · iNaturalist
Asian Lady Beetle
Harmonia axyridis
3,718 observations
Red-spotted Admiral
Limenitis arthemis
2,601 observations
Banded Tussock Moth
Halysidota tessellaris
2,481 observations
Western Honey Bee
Apis mellifera
2,258 observations
American Lady
Vanessa virginiensis
2,071 observations
Isabella Tiger Moth
Pyrrharctia isabella
2,049 observations
Eastern Calligrapher
Toxomerus geminatus
1,863 observations
Japanese Beetle
Popillia japonica
1,801 observations
North American Luna Moth
Actias luna
1,679 observations
Rosy Maple Moth
Dryocampa rubicunda
1,639 observations · iNaturalist
Margined Calligrapher
Toxomerus marginatus
1,536 observations · iNaturalist
Western Conifer Seed Bug
Leptoglossus occidentalis
1,492 observations · iNaturalist
Fall Webworm Moth
Hyphantria cunea
1,490 observations
Two-striped Grasshopper
Melanoplus bivittatus
1,483 observations · iNaturalist
Canadian Tiger Swallowtail
Papilio canadensis
1,432 observations
Great Spangled Fritillary
Argynnis cybele
1,406 observations · iNaturalist
Goldenrod Crab Spider
Misumena vatia
1,395 observations
Brown-tail Moth
Euproctis chrysorrhoea
1,370 observations · iNaturalist
Eastern Tent Caterpillar Moth
Malacosoma americana
1,365 observations · iNaturalist
Milkweed Tussock Moth
Euchaetes egle
1,362 observations
Oriental Beetle
Exomala orientalis
1,346 observations · iNaturalist
Autumn Meadowhawk
Sympetrum vicinum
1,337 observations
Cross Orbweaver
Araneus diadematus
1,333 observations
Black Swallowtail
Papilio polyxenes
1,297 observations
White-marked Tussock Moth
Orgyia leucostigma
1,297 observations · iNaturalist
Two-spotted Bumble Bee
Bombus bimaculatus
1,277 observations
Small White
Pieris rapae
1,274 observations
Northern Paper Wasp
Polistes fuscatus
1,252 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
1,150 observations
Common Ringlet
Coenonympha california
1,113 observations
Common Drone Fly
Eristalis tenax
1,109 observations
White-spotted Sawyer
Monochamus scutellatus
1,043 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
1,013 observations
Yellow Garden Spider
Argiope aurantia
1,006 observations
Black-shouldered Drone Fly
Eristalis dimidiata
984 observations · iNaturalist
Mourning Cloak
Nymphalis antiopa
971 observations
Virginian Tiger Moth
Spilosoma virginica
950 observations
Pale Green Assassin Bug
Zelus luridus
949 observations
Polyphemus Moth
Antheraea polyphemus
948 observations
American Copper
Lycaena hypophlaeas
935 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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