Insects & Arthropods of Yellowstone National Park
The insects & arthropods most often spotted in Yellowstone, ranked by recent research-grade observations.
5,766
recent observations
50
species listed
50
insects & arthropods
Naturalists have logged 5,766 research-grade observations across the 50 most-recorded species in Yellowstone. The most frequently seen is the Mormon Fritillary, with 337 recorded sightings.
Rarer finds confirmed in Yellowstone include Western Bumble Bee - uncommon enough that a sighting is worth logging.
Most-observed insects & arthropods in Yellowstone
Mormon Fritillary
Argynnis mormonia
337 observations · iNaturalist
Flame Skimmer
Libellula saturata
327 observations · iNaturalist
White-spotted Sawyer
Monochamus scutellatus
248 observations
Rocky Mountain Parnassian
Parnassius smintheus
244 observations · iNaturalist
Boisduval's Blue
Icaricia icarioides
211 observations · iNaturalist
Essex Skipper
Thymelicus lineola
204 observations · iNaturalist
Western Pondhawk
Erythemis collocata
186 observations · iNaturalist
Mormon Cricket
Anabrus simplex
182 observations · iNaturalist
Painted Lady
Vanessa cardui
181 observations
Blue Copper
Tharsalea heteronea
176 observations · iNaturalist
Small Wood-Nymph
Cercyonis oetus
172 observations · iNaturalist
Edith's Copper
Tharsalea editha
159 observations · iNaturalist
Silvery Blue
Glaucopsyche lygdamus
148 observations
Hayden's Ringlet
Coenonympha haydenii
145 observations · iNaturalist
Common Ringlet
Coenonympha california
141 observations
Transverse Lady Beetle
Coccinella transversoguttata
140 observations · iNaturalist
Common Alpine
Erebia epipsodea
133 observations · iNaturalist
Red-belted Bumble Bee
Bombus rufocinctus
128 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
117 observations
Ornate Checkered Beetle
Trichodes ornatus
115 observations
Milbert's Tortoiseshell
Aglais milberti
114 observations · iNaturalist
Spotted Tussock Moth
Lophocampa maculata
112 observations
Vancouver Bumble Bee
Bombus vancouverensis
112 observations · iNaturalist
Police Car Moth
Gnophaela vermiculata
108 observations · iNaturalist
Yellow Velvet Beetle
Lepturobosca chrysocoma
103 observations · iNaturalist
Nevada Bumble Bee
Bombus nevadensis
87 observations
Vivid Dancer
Argia vivida
84 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
79 observations
Greenish Blue
Icaricia saepiolus
76 observations · iNaturalist
Common Whitetail
Plathemis lydia
73 observations
Western Tent Caterpillar Moth
Malacosoma californica
72 observations · iNaturalist
California Broad-necked Darkling Beetle
Coelocnemis dilaticollis
69 observations · iNaturalist
Field Crescent
Phyciodes pulchella
65 observations · iNaturalist
Green Comma
Polygonia faunus
64 observations
California Tortoiseshell
Nymphalis californica
62 observations
Relict Fritillary
Boloria kriemhild
62 observations · iNaturalist
Large Marble
Euchloe ausonides
59 observations · iNaturalist
Pale Snaketail
Ophiogomphus severus
59 observations · iNaturalist
Western Pine Elfin
Callophrys eryphon
57 observations · iNaturalist
Mariposa Copper
Tharsalea mariposa
57 observations · iNaturalist
Julia Orangetip
Anthocharis julia
55 observations · iNaturalist
Hoary Comma
Polygonia gracilis
54 observations
Two-striped Grasshopper
Melanoplus bivittatus
54 observations · iNaturalist
Thicket Hairstreak
Callophrys spinetorum
52 observations · iNaturalist
Clouded Sulphur
Colias philodice
51 observations
Mourning Cloak
Nymphalis antiopa
49 observations
Indiscriminate Cuckoo Bumble Bee
Bombus insularis
48 observations · iNaturalist
Isabella Tiger Moth
Pyrrharctia isabella
46 observations
Wetsalts Tiger Beetle
Cicindelidia hemorrhagica
45 observations · iNaturalist
Western Bumble Bee
Bombus occidentalis
44 observations
Insects & Arthropods in nearby places
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