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
Custer County, Montana, United States
The BAMONA database currently includes verified sighting records for 136 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 icelus Dreamy 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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Hesperopsis libya Mohave Sootywing
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Ancyloxypha numitor Least Skipper
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Oarisma garita Garita Skipperling
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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 ottoe Ottoe Skipper
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Hesperia leonardus Leonard's Skipper
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Hesperia pahaska Pahaska Skipper
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Polites peckius Peck's Skipper
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Polites themistocles Tawny-edged Skipper
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Polites origenes Crossline Skipper
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Polites mystic Long Dash
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Anatrytone logan Delaware Skipper
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Ochlodes sylvanoides Woodland Skipper
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Poanes hobomok Hobomok Skipper
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Euphyes vestris Dun Skipper
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Atrytonopsis hianna Dusted Skipper
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Amblyscirtes oslari Oslar's Roadside-Skipper
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Amblyscirtes vialis Common Roadside-Skipper
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NotAmblyscirtes simius Simius Roadside-Skipper
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Megathymus streckeri Strecker's Giant-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 canadensis Canadian Tiger Swallowtail
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Papilio eurymedon Pale 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 marginalis Margined White
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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 alexandra Queen Alexandra's Sulphur
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Nathalis iole Dainty Sulphur
Lycaenidae Gossamer-wing Butterflies
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Lycaena phlaeas American Copper
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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 gryneus Juniper Hairstreak
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Callophrys polios Hoary Elfin
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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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Strymon melinus Gray Hairstreak
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Celastrina ladon Spring Azure
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Celastrina lucia Northern Azure
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Glaucopsyche lygdamus Silvery 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 shasta Shasta 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 cybele Great Spangled Fritillary
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Speyeria aphrodite Aphrodite Fritillary
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Speyeria idalia Regal Fritillary
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Speyeria edwardsii Edwards' Fritillary
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Speyeria coronis Coronis Fritillary
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Speyeria callippe Callippe Fritillary
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Speyeria hesperis Northwestern 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 cocyta Northern 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 gracilis Hoary Comma
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Polygonia progne Gray Comma
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Aglais milberti Milbert's Tortoiseshell
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Nymphalis vaualbum Compton Tortoiseshell
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Nymphalis antiopa Mourning Cloak
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Nymphalis californica California Tortoiseshell
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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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Neominois ridingsii Ridings' 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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Coloradia doris Doris' pinemoth
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Hyalophora columbia Columbia silkmoth
Sphingidae Sphinx Moths, Hawkmoths
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Sphinx vashti Vashti sphinx
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Ceratomia undulosa Waved sphinx
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Paonias myops Small-eyed sphinx
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Hyles euphorbiae Spurge hawkmoth
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Hyles lineata White-lined Sphinx
Notodontidae Prominents
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Furcula cinerea Gray Furcula
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Datana perspicua Spotted Datana
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Coelodasys unicornis Unicorn Caterpillar Moth
Noctuidae Owlet Moths, Miller Moths
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Adita chionanthi Fringe-Tree Sallow
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Mamestra configurata Bertha Armyworm
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Lacinipolia renigera Bristly Cutworm Moth
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Nephelodes minians Bronzed Cutworm Moth
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Agrotis vetusta Old Man Dart
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Apamea devastator Glassy Cutworm
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Agnorisma bugrai Collared Dart Moth
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Sunira verberata Battered Sallow Moth
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Agrotis venerabilis Venerable Dart
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Raphia frater The Brother Moth
Erebidae Erebid Moths
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Melipotis jucunda Merry Melipotis
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Zale galbanata Maple Zale
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Catocala parta Mother Underwing
Cossidae Cossid Moths, Carpenter Moths
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Prionoxystus robiniae Carpenterworm Moth