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California Tortoiseshell
Nymphalis californica
661 observations
Spotted Tussock Moth
Lophocampa maculata
591 observations
Western Tent Caterpillar Moth
Malacosoma californica
583 observations
Mourning Cloak
Nymphalis antiopa
561 observations
Leafy Spurge Hawkmoth
Hyles euphorbiae
507 observations
Essex Skipper
Thymelicus lineola
452 observations
Lorquin's Admiral
Limenitis lorquini
444 observations
Police Car Moth
Gnophaela vermiculata
427 observations
Milbert's Tortoiseshell
Aglais milberti
388 observations
Common Wood-Nymph
Cercyonis pegala
352 observations
Field Crescent
Phyciodes pulchella
339 observations
Painted Lady
Vanessa cardui
333 observations
Small White
Pieris rapae
315 observations
Boisduval's Blue
Icaricia icarioides
307 observations
Green Comma
Polygonia faunus
282 observations
Common Alpine
Erebia epipsodea
282 observations
Two-tailed Swallowtail
Papilio multicaudata
276 observations
Western Tiger Swallowtail
Papilio rutulus
272 observations
White-lined Sphinx
Hyles lineata
271 observations
Anise Swallowtail
Papilio zelicaon
270 observations
Invasive
Knapweed Root Moth
Agapeta zoegana
262 observations
Woodland Skipper
Ochlodes sylvanoides
247 observations
Small Wood-Nymph
Cercyonis oetus
245 observations
Clouded Sulphur
Colias philodice
243 observations
Pale Swallowtail
Papilio eurymedon
240 observations
Western White
Pontia occidentalis
239 observations
Mariposa Copper
Tharsalea mariposa
238 observations
Great Spangled Fritillary
Argynnis cybele
236 observations
Hoary Comma
Polygonia gracilis
233 observations
Satyr Comma
Polygonia satyrus
230 observations
Mormon Fritillary
Argynnis mormonia
214 observations
Common Ringlet
Coenonympha california
212 observations
Rocky Mountain Parnassian
Parnassius smintheus
211 observations
Silvery Blue
Glaucopsyche lygdamus
186 observations
Polyphemus Moth
Antheraea polyphemus
165 observations
Hayden's Ringlet
Coenonympha haydenii
153 observations
Northern Crescent
Phyciodes cocyta
148 observations
Ranchman's Tiger Moth
Arctia virginalis
148 observations
Vashti Sphinx
Sphinx vashti
147 observations
Glover's Silkmoth
Hyalophora gloveri
145 observations
Salt Marsh Moth
Estigmene acrea
141 observations
Large Yellow Underwing
Noctua pronuba
132 observations
Alfalfa Looper
Autographa californica
130 observations
Julia Orangetip
Anthocharis julia
128 observations
Virginian Tiger Moth
Spilosoma virginica
127 observations
Large Gray Dagger
Acronicta insita
127 observations
Blue Copper
Tharsalea heteronea
126 observations
Melissa Blue
Plebejus melissa
123 observations
Northern Checkerspot
Chlosyne palla
120 observations
Forest Tent Caterpillar Moth
Malacosoma disstria
120 observations
Frequently Asked Questions
- The 10 most common butterflies and moths in Montana are:
- California Tortoiseshell (Nymphalis californica)
- Spotted Tussock Moth (Lophocampa maculata)
- Western Tent Caterpillar Moth (Malacosoma californica)
- Mourning Cloak (Nymphalis antiopa)
- Leafy Spurge Hawkmoth (Hyles euphorbiae)
- Essex Skipper (Thymelicus lineola)
- Lorquin's Admiral (Limenitis lorquini)
- Police Car Moth (Gnophaela vermiculata)
- Milbert's Tortoiseshell (Aglais milberti)
- Common Wood-Nymph (Cercyonis pegala)
- The most observed butterflies and moth in Montana is California Tortoiseshell (Nymphalis californica), with 661 recorded observations.
- Some of the most commonly observed invasive butterflies and moths in Montana include:
- Knapweed Root Moth (Agapeta zoegana)