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Spotted Tussock Moth
Lophocampa maculata
579 observations
Mourning Cloak
Nymphalis antiopa
545 observations
California Tortoiseshell
Nymphalis californica
523 observations
Western Tent Caterpillar Moth
Malacosoma californica
518 observations
Leafy Spurge Hawkmoth
Hyles euphorbiae
495 observations
Essex Skipper
Thymelicus lineola
440 observations
Lorquin's Admiral
Limenitis lorquini
401 observations
Police Car Moth
Gnophaela vermiculata
385 observations
Milbert's Tortoiseshell
Aglais milberti
367 observations
Painted Lady
Vanessa cardui
311 observations
Small White
Pieris rapae
288 observations
Boisduval's Blue
Icaricia icarioides
284 observations
Green Comma
Polygonia faunus
275 observations
White-lined Sphinx
Hyles lineata
268 observations
Anise Swallowtail
Papilio zelicaon
259 observations
Common Alpine
Erebia epipsodea
253 observations
Western Tiger Swallowtail
Papilio rutulus
248 observations
Invasive
Knapweed Root Moth
Agapeta zoegana
242 observations
Two-tailed Swallowtail
Papilio multicaudata
237 observations
Woodland Skipper
Ochlodes sylvanoides
236 observations
Great Spangled Fritillary
Argynnis cybele
235 observations
Western White
Pontia occidentalis
228 observations
Pale Swallowtail
Papilio eurymedon
223 observations
Mariposa Copper
Tharsalea mariposa
216 observations
Common Wood-Nymph
Cercyonis pegala
212 observations
Mormon Fritillary
Argynnis mormonia
209 observations
Common Ringlet
Coenonympha california
202 observations
Rocky Mountain Parnassian
Parnassius smintheus
199 observations
Field Crescent
Phyciodes pulchella
173 observations
Silvery Blue
Glaucopsyche lygdamus
172 observations
Hoary Comma
Polygonia gracilis
165 observations
Polyphemus Moth
Antheraea polyphemus
155 observations
Satyr Comma
Polygonia satyrus
150 observations
Vashti Sphinx
Sphinx vashti
144 observations
Glover's Silkmoth
Hyalophora gloveri
143 observations
Hayden's Ringlet
Coenonympha haydenii
142 observations
Ranchman's Tiger Moth
Arctia virginalis
142 observations
Clouded Sulphur
Colias philodice
139 observations
Salt Marsh Moth
Estigmene acrea
139 observations
Small Wood-Nymph
Cercyonis oetus
134 observations
Alfalfa Looper
Autographa californica
129 observations
Virginian Tiger Moth
Spilosoma virginica
126 observations
Large Yellow Underwing
Noctua pronuba
125 observations
Large Gray Dagger
Acronicta insita
125 observations
Julia Orangetip
Anthocharis julia
124 observations
Isabella Tiger Moth
Pyrrharctia isabella
115 observations
Western Pine Elfin
Callophrys eryphon
115 observations
Echo Azure
Celastrina echo
111 observations
Northern Checkerspot
Chlosyne palla
110 observations
Anicia Checkerspot
Euphydryas anicia
107 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)
- Western Tent Caterpillar Moth (Malacosoma californica)
- Leafy Spurge Hawkmoth (Hyles euphorbiae)
- Essex Skipper (Thymelicus lineola)
- Lorquin's Admiral (Limenitis lorquini)
- Police Car Moth (Gnophaela vermiculata)
- Milbert's Tortoiseshell (Aglais milberti)
- Painted Lady (Vanessa cardui)
- The most observed butterflies and moth in Montana is Spotted Tussock Moth (Lophocampa maculata), with 579 recorded observations.
- Some of the most commonly observed invasive butterflies and moths in Montana include:
- Knapweed Root Moth (Agapeta zoegana)