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Insects & Arthropods of Isle Royale National Park

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

1,184
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 1,184 research-grade observations across the 50 most-recorded species in Isle Royale. The most frequently seen is the Red-spotted Admiral, with 85 recorded sightings.

Most-observed insects & arthropods in Isle Royale

Red-spotted Admiral
Limenitis arthemis
85 observations
Northern Azure
Celastrina lucia
59 observations · iNaturalist
White Satin Moth
Leucoma salicis
55 observations · iNaturalist
Canadian Tiger Swallowtail
Papilio canadensis
47 observations
North American Luna Moth
Actias luna
43 observations
Dark Fishing Spider
Dolomedes tenebrosus
41 observations
Green Immigrant Leaf Weevil
Polydrusus formosus
38 observations · iNaturalist
Chalk-fronted Corporal
Ladona julia
37 observations · iNaturalist
Mourning Cloak
Nymphalis antiopa
35 observations
Black-shouldered Drone Fly
Eristalis dimidiata
34 observations · iNaturalist
Monarch
Danaus plexippus
33 observations
White-spotted Sawyer
Monochamus scutellatus
32 observations
Narrow-headed Marsh Fly
Helophilus fasciatus
32 observations · iNaturalist
Macoun's Arctic
Oeneis macounii
32 observations · iNaturalist
Hoary Elfin
Callophrys polios
31 observations · iNaturalist
Two-striped Grasshopper
Melanoplus bivittatus
29 observations · iNaturalist
Diervilla Clearwing
Hemaris aethra
26 observations · iNaturalist
American Lady
Vanessa virginiensis
25 observations
Red Admiral
Vanessa atalanta
23 observations
Compton Tortoiseshell
Nymphalis l-album
23 observations · iNaturalist
Large Marble
Euchloe ausonides
22 observations · iNaturalist
Aphrodite Fritillary
Argynnis aphrodite
21 observations · iNaturalist
Dreamy Duskywing
Erynnis icelus
20 observations
Green Comma
Polygonia faunus
20 observations
Aspen Serpentine Leafminer Moth
Phyllocnistis populiella
19 observations · iNaturalist
Narrow-banded Pond Fly
Sericomyia militaris
18 observations · iNaturalist
Hobomok Skipper
Lon hobomok
18 observations · iNaturalist
Northern Pearly-eye
Lethe anthedon
17 observations · iNaturalist
Thimbleberry Gall Wasp
Diastrophus kincaidii
17 observations · iNaturalist
Spruce Budworm Moth
Choristoneura fumiferana
16 observations · iNaturalist
North American Common Water Strider
Aquarius remigis
15 observations · iNaturalist
One-eyed Sphinx
Smerinthus cerisyi
15 observations · iNaturalist
American Emerald
Cordulia shurtleffii
14 observations · iNaturalist
Gold-and-brown Rove Beetle
Leistotrophus cingulatus
14 observations · iNaturalist
Northern Crescent
Phyciodes cocyta
13 observations · iNaturalist
Virginian Tiger Moth
Spilosoma virginica
13 observations
Evodinus monticola
Evodinus monticola
13 observations · iNaturalist
Painted Lady
Vanessa cardui
12 observations
Spiny Leaf Gall Wasp
Diplolepis polita
12 observations · iNaturalist
Common Whitetail
Plathemis lydia
12 observations
Marbled Purple Jumping Spider
Phidippus purpuratus
12 observations · iNaturalist
Atlantis Fritillary
Argynnis atlantis
12 observations · iNaturalist
Four-spotted Skimmer
Libellula quadrimaculata
10 observations · iNaturalist
Common Roadside-Skipper
Amblyscirtes vialis
10 observations
Spotted Tussock Moth
Lophocampa maculata
10 observations
Variable Darner
Aeshna interrupta
10 observations · iNaturalist
Northeastern Pine Sawyer
Monochamus notatus
10 observations · iNaturalist
Modest Sphinx
Pachysphinx modesta
10 observations · iNaturalist
Yellowish Cuckoo Bumble Bee
Bombus flavidus
10 observations · iNaturalist
Bald-faced Hornet
Dolichovespula maculata
9 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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