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
Larimer County, Colorado, United States
The BAMONA database currently includes verified sighting records for 442 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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Thorybes mexicana Mexican Cloudywing
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Erynnis icelus Dreamy Duskywing
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Erynnis brizo Sleepy Duskywing
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Erynnis martialis Mottled Duskywing
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Erynnis pacuvius Pacuvius Duskywing
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Erynnis funeralis Funereal Duskywing
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Erynnis afranius Afranius Duskywing
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Erynnis persius Persius Duskywing
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Pyrgus centaureae Grizzled Skipper
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Pyrgus ruralis Two-banded Checkered-Skipper
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Pyrgus scriptura Small 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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Hylephila phyleus Fiery Skipper
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Stinga morrisoni Morrison's Skipper
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Hesperia uncas Uncas Skipper
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Hesperia juba Juba 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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Hesperia viridis Green Skipper
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Hesperia nevada Nevada Skipper
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Atalopedes campestris Sachem
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Polites rhesus Rhesus Skipper
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Polites peckius Peck's Skipper
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Polites sabuleti Sandhill Skipper
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Polites draco Draco 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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Polites sonora Sonora Skipper
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Atrytone arogos Arogos Skipper
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Anatrytone logan Delaware Skipper
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Ochlodes sylvanoides Woodland Skipper
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Poanes taxiles Taxiles Skipper
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Paratrytone snowi Snow's Skipper
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Euphyes vestris Dun Skipper
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Euphyes bimacula Two-spotted Skipper
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Atrytonopsis hianna Dusted Skipper
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Amblyscirtes aenus Bronze Roadside-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 yuccae Yucca Giant-Skipper
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Piruna pirus Russet Skipperling
Papilionidae Parnassians and Swallowtails
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Parnassius smintheus Rocky Mountain Parnassian
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Battus philenor Pipevine Swallowtail
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Papilio machaon Old World Swallowtail
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Papilio polyxenes Black Swallowtail
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Papilio zelicaon Anise Swallowtail
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Papilio indra Indra Swallowtail
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Papilio glaucus Eastern Tiger 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
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Papilio troilus Spicebush Swallowtail
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Papilio cresphontes Giant Swallowtail
Pieridae Whites and Sulphurs
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Anthocharis julia Southern Rocky Mountain Orangetip
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Euchloe ausonides Large Marble
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Euchloe olympia Olympia Marble
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Appias drusilla Florida White
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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 alexandra Queen Alexandra's Sulphur
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Colias meadii Mead's Sulphur
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Colias scudderi Scudder's Sulphur
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Zerene cesonia Southern Dogface
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Phoebis sennae Cloudless Sulphur
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Phoebis agarithe Large Orange Sulphur
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Eurema mexicana Mexican Yellow
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Abaeis nicippe Sleepy Orange
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Nathalis iole Dainty Sulphur
Lycaenidae Gossamer-wing Butterflies
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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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Callophrys affinis Western Green Hairstreak
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Callophrys sheridanii Sheridan's Green Hairstreak
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Callophrys gryneus Juniper Hairstreak
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Callophrys spinetorum Thicket Hairstreak
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Callophrys augustinus Brown Elfin
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Callophrys mossii Moss' Elfin
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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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Satyrium californica California Hairstreak
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Satyrium liparops Striped Hairstreak
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Satyrium saepium Hedgerow Hairstreak
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Satyrium behrii Behr's Hairstreak
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Satyrium fuliginosum Sooty Hairstreak
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Strymon melinus Gray Hairstreak
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Parrhasius m album White-M Hairstreak
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Leptotes marina Marine Blue
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Brephidium exilis Western Pygmy-Blue
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Cupido comyntas Eastern Tailed-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 neglecta Summer 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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Euphilotes rita Rita Dotted-Blue
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Echinargus isola Reakirt's 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
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Plebejus glandon Arctic Blue
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Plebejus glandon rusticus 'Rustic' Arctic Blue
Riodinidae Metalmarks
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Apodemia mormo Mormon Metalmark
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Apodemia nais Nais Metalmark
Nymphalidae Brush-footed Butterflies
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Libytheana carinenta American Snout
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Danaus plexippus Monarch
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Danaus gilippus Queen
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Agraulis vanillae Gulf Fritillary
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Heliconius charithonia Zebra Heliconian
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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 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 atlantis Atlantis Fritillary
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Speyeria hesperis Northwestern 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 bellona Meadow Fritillary
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Boloria frigga Frigga Fritillary
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Boloria freija Freija 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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Asterocampa celtis Hackberry Emperor
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Poladryas minuta Dotted Checkerspot
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Poladryas arachne Arachne Checkerspot
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Chlosyne nycteis Silvery Checkerspot
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Chlosyne gorgone Gorgone Checkerspot
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Chlosyne whitneyi Rockslide 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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Junonia coenia Common Buckeye
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Polygonia interrogationis Question Mark
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Polygonia comma Eastern Comma
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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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Polygonia zephyrus Zephyr 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 virginiensis American Lady
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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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Anaea andria Goatweed Leafwing
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Satyrodes eurydice Eyed Brown
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Coenonympha tullia Common Ringlet
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Cyllopsis pertepida Canyonland Satyr
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Erebia magdalena Magdalena Alpine
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Erebia epipsodea Common Alpine
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Erebia callias Colorado Alpine
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Neominois ridingsii Ridings' Satyr
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Neominois wyomingo Wyoming Satyr
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Oeneis polixenes Polixenes Arctic
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Oeneis jutta Jutta Arctic
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Oeneis melissa Melissa 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 oetus Small Wood-Nymph
Drepanidae Hooktip and False Owlet Moths
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Habrosyne scripta Lettered Habrosyne
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Habrosyne gloriosa Glorious Habrosyne
Saturniidae Wild Silk Moths
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Coloradia doris Doris' pinemoth
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Coloradia luski Lusk's pinemoth
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Coloradia pandora Pandora pinemoth
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Hemileuca eglanterina Western sheepmoth
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Hemileuca nevadensis Nevada buckmoth
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Automeris io Io moth
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Hyalophora cecropia Cecropia silkmoth
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Hyalophora columbia Columbia silkmoth
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Hyalophora gloveri Glover's Silkmoth
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Agapema homogena Rocky Mountain agapema
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Antheraea polyphemus Polyphemus moth
Sphingidae Sphinx Moths, Hawkmoths
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Smerinthus jamaicensis Twin-spotted sphinx
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Ceratomia amyntor Elm sphinx
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Ceratomia undulosa Waved sphinx
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Sphinx asellus Asella sphinx
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Manduca quinquemaculata Five-spotted hawkmoth
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Sphinx chersis Great ash sphinx
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Manduca sexta Carolina sphinx
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Sphinx drupiferarum Wild cherry sphinx
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Pachysphinx modesta Modest sphinx
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Sphinx gordius Apple sphinx
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Pachysphinx occidentalis Big poplar sphinx
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Lintneria separatus Separated sphinx
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Sphinx vashti Vashti sphinx
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Paonias excaecata Blinded sphinx
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Paonias myops Small-eyed sphinx
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Smerinthus cerisyi One-eyed sphinx
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Hyles gallii Bedstraw hawkmoth
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Hyles lineata White-lined Sphinx
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Eumorpha achemon Achemon sphinx
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Hemaris diffinis Snowberry Clearwing
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Hyles euphorbiae Spurge hawkmoth
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Amphion floridensis Nessus sphinx
Notodontidae Prominents
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Gluphisia septentrionis Common Gluphisia
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Furcula cinerea Gray Furcula
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Dasylophia thyatiroides Gray-Patched Prominent
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Clostera albosigma Sigmoid Prominent
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Furcula scolopendrina Zigzag Furcula Moth
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Dasylophia anguina Black-Spotted Prominent
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Datana perspicua Spotted Datana
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Lochmaeus bilineata Double-lined Prominent
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Pheosia rimosa Black-rimmed Prominent
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Schizura ipomoeae Morning-glory Prominent
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Odontosia elegans Elegant Prominent
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Coelodasys unicornis Unicorn Caterpillar Moth
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Oedemasia semirufescens Red-washed Prominent
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Oedemasia concinna Red-humped Caterpillar Moth
Noctuidae Owlet Moths, Miller Moths
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Ponometia binocula Prairie Bird-dropping Moth
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Acronicta interrupta Interrupted Dagger Moth
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Acronicta americana American Dagger Moth
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Acronicta insita Fingered Dagger Moth
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Dypterygia rozmani American Bird-wing Moth
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Plagiomimicus spumosum Frothy Moth
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Anagrapha falcifera Celery Looper Moth
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Trichoplusia ni Cabbage Looper Moth
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Orthosia hibisci Speckled Green Fruitworm Moth
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Nephelodes minians Bronzed Cutworm Moth
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Mythimna unipuncta Armyworm Moth
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Sideridis rosea The Rosewing
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Lacinipolia meditata The Thinker
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Polia purpurissata Purple Arches
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Caradrina montana Civil Rustic
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Noctua pronuba European Yellow Underwing
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Hecatera dysodea Small Ranunculus Moth
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Spaelotis clandestina Clandestine Dart
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Feltia herilis Master's Dart
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Agrotis ipsilon Ipsilon Dart
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Apamea amputatrix Yellow-headed Cutworm Moth
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Euxoa auxiliaris Army Cutworm
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Raphia frater The Brother Moth
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Schinia arcigera Arcigera Flower Moth
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Schinia gaurae Clouded Crimson
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Helicoverpa zea Corn Earworm Moth
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Schinia thoreaui Thoreau's Flower Moth
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Schinia lucens Leadplant Flower Moth
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Alypia octomaculata Eight-spotted Forester
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Tyta luctuosa Field Bindweed Moth
Erebidae Erebid Moths
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Hyphantria cunea Fall Webworm Moth
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Spilosoma virginica Virginian Tiger Moth or Yellow Woolybear Moth
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Lophocampa maculata Spotted Tussock Moth or Yellow-Spotted Tiger Moth
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Apantesis phalerata Harnessed Moth
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Eilema bicolor Bicolored Moth
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Platarctia parthenos St. Lawrence Tiger Moth
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Cycnia oregonensis Oregon Cycnia
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Arctia caja Garden Tiger Moth or Great Tiger Moth
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Arachnis picta Painted Tiger Moth
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Cycnia tenera Delicate Cycnia or Dogbane Tiger Moth
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Grammia parthenice Parthenice Tiger Moth
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Phragmatobia fuliginosa Ruby Tiger Moth
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Crambidia cephalica Yellow-headed Lichen Moth
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Halysidota tessellaris Banded Tussock Moth or Pale Tiger Moth
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Pygarctia spraguei Sprague's Pygarctia
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Phragmatobia assimilans Large Ruby Tiger Moth
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Crambidia casta Pearly-Winged Lichen Moth
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Pyrrharctia isabella Isabella Tiger Moth or Banded Woolybear
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Spilosoma congrua Agreeable Tiger Moth
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Estigmene acrea Salt Marsh Moth or Acrea Moth
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Cisseps fulvicollis Yellow-collared Scape Moth
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Lycomorpha pholus Black-and-yellow Lichen Moth
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Lophocampa argentata Silver-Spotted Tiger Moth
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Hypoprepia miniata Scarlet-winged Lichen Moth
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Bleptina caradrinalis Bent-winged Owlet Moth
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Ascalapha odorata Black Witch
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Catocala meskei Meske's Underwing
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Caenurgina erechtea Forage Looper Moth
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Catocala junctura Joined Underwing Moth
Oecophoridae Concealer Moths
Elachistidae Grass Miner Moths
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Depressaria pastinacella Parsnip Webworm
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Agonopterix alstroemeriana Poison Hemlock Moth
Plutellidae Plutellid Moths
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Plutella xylostella Diamondback Moth
Cossidae Cossid Moths, Carpenter Moths
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Prionoxystus robiniae Carpenterworm Moth
Tortricidae Tortricid Moths
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Taniva albolineana Spruce Needleminer Moth
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Archips argyrospila Fruit-tree Leafroller Moth
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Choristoneura rosaceana Oblique-banded Leafroller Moth
Crambidae Crambid Snout Moths
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Pediasia trisecta Sod Webworm Moth
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Crambus praefectellus Common Grass-veneer Moth
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Chalcoela iphitalis Sooty Winged Chalcoela Moth
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Spoladea recurvalis Hawaiian Beet Webworm
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Nomophila nearctica Lucerne Moth
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Sitochroa chortalis Dimorphic Sitochroa Moth
Pyralidae Pyralid Moths
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Plodia interpunctella Indian-Meal Moth
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Zophodia grossulariella Gooseberry Fruitworm Moth
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Hypsopygia costalis Clover Hayworm Moth
Pterophoridae Pterophorid Moths, Plume Moths
Geometridae Geometer Moths, Looper Moths
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Digrammia neptaria Dark-bordered Granite Moth
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Lomographa semiclarata Bluish Spring Moth
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Tetracis cachexiata White Slant-line
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Pero morrisonaria Morrison's Pero
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Anavitrinella pampinaria Common Gray
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Mesothea incertata Day Emerald
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Alsophila pometaria Fall Cankerworm Moth
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Haematopis grataria Chickweed Geometer
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Scopula inductata Soft-lined Wave
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Idaea demissaria Red-Bordered Wave
Lasiocampidae Lasiocampid Moths
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Malacosoma americanum Eastern Tent Caterpillar Moth
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Malacosoma californicum Western Tent Caterpillar Moth
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Tolype velleda Large Tolype Moth