Regional Species Checklists
Stillwater County, Montana, United States
The BAMONA database currently includes verified sighting records for 137 species from this region.
Hesperiidae Skippers
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Epargyreus clarus Silver-spotted Skipper
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Erynnis icelus Dreamy Duskywing
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Erynnis persius Persius Duskywing
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Pyrgus ruralis Two-banded Checkered-Skipper
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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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Amblyscirtes vialis Common Roadside-Skipper
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Megathymus streckeri Strecker's Giant-Skipper
Papilionidae Parnassians and Swallowtails
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Parnassius clodius Clodius Parnassian
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Parnassius smintheus Rocky Mountain Parnassian
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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 eurymedon Pale Swallowtail
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Papilio multicaudata Two-tailed Swallowtail
Pieridae Whites and Sulphurs
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Anthocharis stella Stella Orangetip
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Euchloe ausonides Large Marble
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Euchloe olympia Olympia Marble
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Neophasia menapia Pine White
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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 occidentalis Western Sulphur
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Colias christina Christina Sulphur
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Colias alexandra Queen Alexandra's Sulphur
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Colias meadii Mead's Sulphur
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Colias pelidne Pelidne 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 cupreus Lustrous Copper
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Lycaena dione Gray Copper
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Lycaena editha Edith's Copper
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Lycaena hyllus Bronze Copper
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Lycaena rubidus Ruddy Copper
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Lycaena heteronea Blue Copper
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Lycaena helloides Purplish Copper
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Lycaena nivalis Lilac-bordered Copper
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Lycaena mariposa Mariposa Copper
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Callophrys gryneus Juniper Hairstreak
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Callophrys spinetorum Thicket 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 liparops Striped Hairstreak
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Satyrium saepium Hedgerow Hairstreak
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Strymon melinus Gray Hairstreak
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Cupido amyntula Western Tailed-Blue
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Celastrina ladon Spring Azure
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Celastrina echo Echo Azure
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Celastrina humulus Hops Azure
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Glaucopsyche piasus Arrowhead Blue
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Glaucopsyche lygdamus Silvery Blue
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Euphilotes ancilla Rocky Mountain Dotted-Blue
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Plebejus idas Northern 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
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Plebejus glandon Arctic Blue
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 edwardsii Edwards' Fritillary
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Speyeria coronis Coronis Fritillary
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Speyeria zerene Zerene Fritillary
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Speyeria callippe Callippe Fritillary
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Speyeria egleis Great Basin Fritillary
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Speyeria hesperis Northwestern Fritillary
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Speyeria hydaspe Hydaspe Fritillary
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Speyeria mormonia Mormon Fritillary
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Boloria eunomia Bog Fritillary
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Boloria selene Silver-bordered Fritillary
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Boloria kriemhild Relict Fritillary
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Boloria chariclea Arctic 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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Chlosyne palla Northern Checkerspot
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Phyciodes pallida Pale Crescent
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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 editha Edith's Checkerspot
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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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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 haydenii Hayden's Ringlet
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Coenonympha tullia Common Ringlet
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Erebia epipsodea Common Alpine
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Erebia pawlowskii Yellow-dotted Alpine
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Erebia callias Colorado Alpine
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Neominois ridingsii Ridings' Satyr
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Oeneis melissa Melissa Arctic
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Oeneis bore White-veined Arctic
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Oeneis chryxus Chryxus Arctic
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Oeneis uhleri Uhler's Arctic
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Cercyonis pegala Common Wood-Nymph
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Cercyonis sthenele Great Basin Wood-Nymph
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Cercyonis oetus Small Wood-Nymph
Sphingidae Sphinx Moths, Hawkmoths
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Sphinx vashti Vashti sphinx
Noctuidae Owlet Moths, Miller Moths
Erebidae Erebid Moths
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Eilema bicolor Bicolored Moth
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Arctia caja Garden Tiger Moth or Great Tiger Moth
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Estigmene acrea Salt Marsh Moth or Acrea Moth
Geometridae Geometer Moths, Looper Moths
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Archiearis infans The Infant
Lasiocampidae Lasiocampid Moths
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Malacosoma disstria Forest Tent Caterpillar Moth
