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Spotted Tussock Moth
Lophocampa maculata
576 observations
Mourning Cloak
Nymphalis antiopa
540 observations
California Tortoiseshell
Nymphalis californica
519 observations
Western Tent Caterpillar Moth
Malacosoma californica
501 observations
Leafy Spurge Hawkmoth
Hyles euphorbiae
492 observations
Essex Skipper
Thymelicus lineola
440 observations
Lorquin's Admiral
Limenitis lorquini
384 observations
Police Car Moth
Gnophaela vermiculata
384 observations
Milbert's Tortoiseshell
Aglais milberti
366 observations
Painted Lady
Vanessa cardui
308 observations
Small White
Pieris rapae
286 observations
Boisduval's Blue
Icaricia icarioides
281 observations
Green Comma
Polygonia faunus
274 observations
White-lined Sphinx
Hyles lineata
266 observations
Anise Swallowtail
Papilio zelicaon
256 observations
Common Alpine
Erebia epipsodea
248 observations
Western Tiger Swallowtail
Papilio rutulus
244 observations
Invasive
Knapweed Root Moth
Agapeta zoegana
242 observations
Woodland Skipper
Ochlodes sylvanoides
236 observations
Great Spangled Fritillary
Argynnis cybele
234 observations
Two-tailed Swallowtail
Papilio multicaudata
228 observations
Western White
Pontia occidentalis
225 observations
Pale Swallowtail
Papilio eurymedon
221 observations
Common Wood-Nymph
Cercyonis pegala
212 observations
Mariposa Copper
Tharsalea mariposa
212 observations
Mormon Fritillary
Argynnis mormonia
209 observations
Rocky Mountain Parnassian
Parnassius smintheus
196 observations
Common Ringlet
Coenonympha california
195 observations
Field Crescent
Phyciodes pulchella
173 observations
Silvery Blue
Glaucopsyche lygdamus
171 observations
Hoary Comma
Polygonia gracilis
165 observations
Polyphemus Moth
Antheraea polyphemus
153 observations
Satyr Comma
Polygonia satyrus
150 observations
Vashti Sphinx
Sphinx vashti
142 observations
Glover's Silkmoth
Hyalophora gloveri
141 observations
Hayden's Ringlet
Coenonympha haydenii
141 observations
Clouded Sulphur
Colias philodice
139 observations
Ranchman's Tiger Moth
Arctia virginalis
139 observations
Salt Marsh Moth
Estigmene acrea
138 observations
Small Wood-Nymph
Cercyonis oetus
134 observations
Alfalfa Looper
Autographa californica
129 observations
Virginian Tiger Moth
Spilosoma virginica
125 observations
Large Gray Dagger
Acronicta insita
125 observations
Julia Orangetip
Anthocharis julia
124 observations
Large Yellow Underwing
Noctua pronuba
120 observations
Isabella Tiger Moth
Pyrrharctia isabella
115 observations
Western Pine Elfin
Callophrys eryphon
113 observations
Echo Azure
Celastrina echo
111 observations
Northern Checkerspot
Chlosyne palla
109 observations
Bedstraw Hawkmoth
Hyles gallii
106 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 576 recorded observations.
- Some of the most commonly observed invasive butterflies and moths in Montana include:
- Knapweed Root Moth (Agapeta zoegana)