National Moth Week is July 20-28, 2024!
Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live.
Regional Species Checklists
Yellowstone County, Montana, United States
The BAMONA database currently includes verified sighting records for 133 species from this region.
Hesperiidae Skippers
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Epargyreus clarus Silver-spotted Skipper
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Thorybes pylades Northern Cloudywing
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Erynnis pacuvius Pacuvius Duskywing
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Erynnis afranius Afranius Duskywing
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Erynnis persius Persius Duskywing
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Burnsius communis Common Checkered-Skipper
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Pholisora catullus Common Sootywing
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Ancyloxypha numitor Least Skipper
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Oarisma garita Garita Skipperling
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Thymelicus lineola European Skipper
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Hesperia uncas Uncas Skipper
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Hesperia juba Juba Skipper
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Hesperia assiniboia Plains Skipper
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Hesperia colorado Western Branded Skipper
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Hesperia leonardus Leonard's Skipper
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Hesperia pahaska Pahaska Skipper
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Hesperia nevada Nevada Skipper
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Polites peckius Peck's Skipper
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Polites draco Draco Skipper
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Polites mystic Long Dash
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Ochlodes sylvanoides Woodland Skipper
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Poanes hobomok Hobomok Skipper
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Amblyscirtes oslari Oslar's Roadside-Skipper
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Amblyscirtes vialis Common Roadside-Skipper
Papilionidae Parnassians and Swallowtails
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Papilio machaon Old World Swallowtail
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Papilio zelicaon Anise Swallowtail
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Papilio rutulus Western Tiger Swallowtail
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Papilio multicaudata Two-tailed Swallowtail
Pieridae Whites and Sulphurs
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Euchloe ausonides Large Marble
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Euchloe olympia Olympia Marble
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Pieris rapae Cabbage White
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Pontia beckerii Becker's White
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Pontia protodice Checkered White
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Pontia occidentalis Western White
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Pontia sisymbrii Spring White
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Colias philodice Clouded Sulphur
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Colias eurytheme Orange Sulphur
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Colias christina Christina Sulphur
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Colias alexandra Queen Alexandra's Sulphur
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Nathalis iole Dainty Sulphur
Lycaenidae Gossamer-wing Butterflies
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Lycaena dione Gray Copper
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Lycaena hyllus Bronze Copper
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Lycaena rubidus Ruddy Copper
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Lycaena helloides Purplish Copper
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Callophrys sheridanii Sheridan's Green Hairstreak
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Callophrys gryneus Juniper Hairstreak
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Callophrys eryphon Western Pine Elfin
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Satyrium titus Coral Hairstreak
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Satyrium acadica Acadian Hairstreak
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Satyrium liparops Striped Hairstreak
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Strymon melinus Gray Hairstreak
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Leptotes marina Marine Blue
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Cupido amyntula Western Tailed-Blue
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Celastrina ladon Spring Azure
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Celastrina lucia Northern Azure
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Celastrina echo Echo Azure
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Celastrina humulus Hops Azure
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Glaucopsyche lygdamus Silvery Blue
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Euphilotes ancilla Rocky Mountain Dotted-Blue
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Plebejus melissa Melissa Blue (includes Karner Blue)
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Plebejus saepiolus Greenish Blue
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Plebejus icarioides Boisduval's Blue
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Plebejus lupini Lupine Blue
Riodinidae Metalmarks
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Apodemia mormo Mormon Metalmark
Nymphalidae Brush-footed Butterflies
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Danaus plexippus Monarch
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Euptoieta claudia Variegated Fritillary
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Speyeria aphrodite Aphrodite Fritillary
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Speyeria edwardsii Edwards' Fritillary
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Speyeria coronis Coronis Fritillary
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Speyeria zerene Zerene Fritillary
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Speyeria mormonia Mormon Fritillary
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Boloria selene Silver-bordered Fritillary
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Limenitis archippus Viceroy
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Limenitis weidemeyerii Weidemeyer's Admiral
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Chlosyne gorgone Gorgone Checkerspot
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Chlosyne acastus Sagebrush Checkerspot
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Phyciodes tharos Pearl Crescent
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Phyciodes pulchella Field Crescent
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Euphydryas chalcedona Chalcedon Checkerspot
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Euphydryas anicia Anicia Checkerspot
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Polygonia satyrus Satyr Comma
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Polygonia faunus Green Comma
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Polygonia gracilis Hoary Comma
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Aglais milberti Milbert's Tortoiseshell
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Nymphalis antiopa Mourning Cloak
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Vanessa cardui Painted Lady
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Vanessa annabella West Coast Lady
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Vanessa atalanta Red Admiral
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Coenonympha tullia Common Ringlet
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Erebia epipsodea Common Alpine
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Neominois wyomingo Wyoming Satyr
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Oeneis uhleri Uhler's Arctic
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Cercyonis pegala Common Wood-Nymph
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Cercyonis meadii Mead's Wood-Nymph
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Cercyonis oetus Small Wood-Nymph
Saturniidae Wild Silk Moths
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Antheraea polyphemus Polyphemus moth
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Hyalophora columbia Columbia silkmoth
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Hyalophora cecropia Cecropia silkmoth
Sphingidae Sphinx Moths, Hawkmoths
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Paonias myops Small-eyed sphinx
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Smerinthus cerisyi One-eyed sphinx
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Pachysphinx modesta Modest sphinx
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Sphinx vashti Vashti sphinx
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Hyles euphorbiae Spurge hawkmoth
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Hemaris diffinis Snowberry Clearwing
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Eumorpha achemon Achemon sphinx
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Hyles lineata White-lined Sphinx
Noctuidae Owlet Moths, Miller Moths
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Acronicta americana American Dagger Moth
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Hecatera dysodea Small Ranunculus Moth
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Chloridea virescens Tobacco Budworm Moth
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Schinia bina Bina Flower Moth
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Schinia gaurae Clouded Crimson
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Schinia sanguinea Bleeding Flower Moth
Erebidae Erebid Moths
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Cisseps fulvicollis Yellow-collared Scape Moth
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Hypoprepia miniata Scarlet-winged Lichen Moth
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Virbia aurantiaca Orange Holomelina
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Grammia parthenice Parthenice Tiger Moth
Geometridae Geometer Moths, Looper Moths
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Nematocampa resistaria Horned Spanworm Moth
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Haematopis grataria Chickweed Geometer