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Spotted Tussock Moth
Lophocampa maculata
575 observations
Mourning Cloak
Nymphalis antiopa
509 observations
California Tortoiseshell
Nymphalis californica
497 observations
Leafy Spurge Hawkmoth
Hyles euphorbiae
488 observations
Essex Skipper
Thymelicus lineola
439 observations
Police Car Moth
Gnophaela vermiculata
381 observations
Western Tent Caterpillar Moth
Malacosoma californica
374 observations
Lorquin's Admiral
Limenitis lorquini
372 observations
Milbert's Tortoiseshell
Aglais milberti
357 observations
Painted Lady
Vanessa cardui
278 observations
Boisduval's Blue
Icaricia icarioides
274 observations
Green Comma
Polygonia faunus
257 observations
White-lined Sphinx
Hyles lineata
255 observations
Small White
Pieris rapae
249 observations
Invasive
Knapweed Root Moth
Agapeta zoegana
241 observations
Woodland Skipper
Ochlodes sylvanoides
236 observations
Western Tiger Swallowtail
Papilio rutulus
233 observations
Great Spangled Fritillary
Argynnis cybele
230 observations
Anise Swallowtail
Papilio zelicaon
227 observations
Common Alpine
Erebia epipsodea
213 observations
Common Wood-Nymph
Cercyonis pegala
212 observations
Mariposa Copper
Tharsalea mariposa
209 observations
Mormon Fritillary
Argynnis mormonia
208 observations
Two-tailed Swallowtail
Papilio multicaudata
207 observations
Pale Swallowtail
Papilio eurymedon
204 observations
Rocky Mountain Parnassian
Parnassius smintheus
189 observations
Field Crescent
Phyciodes pulchella
172 observations
Western White
Pontia occidentalis
168 observations
Silvery Blue
Glaucopsyche lygdamus
165 observations
Hoary Comma
Polygonia gracilis
160 observations
Common Ringlet
Coenonympha california
160 observations
Satyr Comma
Polygonia satyrus
146 observations
Polyphemus Moth
Antheraea polyphemus
143 observations
Hayden's Ringlet
Coenonympha haydenii
138 observations
Salt Marsh Moth
Estigmene acrea
137 observations
Vashti Sphinx
Sphinx vashti
136 observations
Small Wood-Nymph
Cercyonis oetus
134 observations
Clouded Sulphur
Colias philodice
131 observations
Glover's Silkmoth
Hyalophora gloveri
129 observations
Virginian Tiger Moth
Spilosoma virginica
125 observations
Alfalfa Looper
Autographa californica
125 observations
Large Gray Dagger
Acronicta insita
125 observations
Large Yellow Underwing
Noctua pronuba
120 observations
Isabella Tiger Moth
Pyrrharctia isabella
114 observations
Ranchman's Tiger Moth
Arctia virginalis
114 observations
Northern Checkerspot
Chlosyne palla
109 observations
Julia Orangetip
Anthocharis julia
108 observations
Echo Azure
Celastrina echo
105 observations
Bedstraw Hawkmoth
Hyles gallii
105 observations
Anicia Checkerspot
Euphydryas anicia
103 observations
Frequently Asked Questions
- The 10 most common butterflies and moths in Montana are:
- Spotted Tussock Moth (Lophocampa maculata)
- Mourning Cloak (Nymphalis antiopa)
- California Tortoiseshell (Nymphalis californica)
- Leafy Spurge Hawkmoth (Hyles euphorbiae)
- Essex Skipper (Thymelicus lineola)
- Police Car Moth (Gnophaela vermiculata)
- Western Tent Caterpillar Moth (Malacosoma californica)
- Lorquin's Admiral (Limenitis lorquini)
- Milbert's Tortoiseshell (Aglais milberti)
- Painted Lady (Vanessa cardui)
- The most observed butterflies and moth in Montana is Spotted Tussock Moth (Lophocampa maculata), with 575 recorded observations.
- Some of the most commonly observed invasive butterflies and moths in Montana include:
- Knapweed Root Moth (Agapeta zoegana)