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Vancouver Bumble Bee
Bombus vancouverensis
646 observations
Hunt's Bumble Bee
Bombus huntii
581 observations
Spotted Tussock Moth
Lophocampa maculata
575 observations
Western Honey Bee
Apis mellifera
556 observations
White-spotted Sawyer
Monochamus scutellatus
555 observations
Western Conifer Seed Bug
Leptoglossus occidentalis
548 observations
Mourning Cloak
Nymphalis antiopa
509 observations
California Tortoiseshell
Nymphalis californica
499 observations
Leafy Spurge Hawkmoth
Hyles euphorbiae
488 observations
European Mantis
Mantis religiosa
461 observations
Essex Skipper
Thymelicus lineola
439 observations
Two-striped Grasshopper
Melanoplus bivittatus
421 observations
Police Car Moth
Gnophaela vermiculata
381 observations
Western Tent Caterpillar Moth
Malacosoma californica
375 observations
Lorquin's Admiral
Limenitis lorquini
372 observations
Milbert's Tortoiseshell
Aglais milberti
357 observations
Asian Lady Beetle
Harmonia axyridis
337 observations
Painted Lady
Vanessa cardui
279 observations
Boisduval's Blue
Icaricia icarioides
274 observations
Green Comma
Polygonia faunus
259 observations
Common Drone Fly
Eristalis tenax
258 observations
White-lined Sphinx
Hyles lineata
255 observations
Eastern Boxelder Bug
Boisea trivittata
250 observations
Small White
Pieris rapae
249 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
244 observations
Invasive
Knapweed Root Moth
Agapeta zoegana
241 observations
Woodland Skipper
Ochlodes sylvanoides
236 observations
Nevada Bumble Bee
Bombus nevadensis
236 observations
Western Tiger Swallowtail
Papilio rutulus
233 observations
Great Spangled Fritillary
Argynnis cybele
230 observations
Anise Swallowtail
Papilio zelicaon
227 observations
Ornate Checkered Beetle
Trichodes ornatus
224 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
Bald-faced Hornet
Dolichovespula maculata
207 observations
Two-tailed Swallowtail
Papilio multicaudata
207 observations
Pale Swallowtail
Papilio eurymedon
204 observations
Indiscriminate Cuckoo Bumble Bee
Bombus insularis
204 observations
Fuzzy-Horned Bumble Bee
Bombus mixtus
201 observations
Half-black Bumble Bee
Bombus vagans
200 observations
Rocky Mountain Parnassian
Parnassius smintheus
189 observations
Invasive
Bronze Ground Beetle
Carabus nemoralis
181 observations
Western Sculptured Pine Borer
Chalcophora angulicollis
180 observations
Western Bumble Bee
Bombus occidentalis
178 observations
Field Crescent
Phyciodes pulchella
172 observations
Black-tailed Bumble Bee
Bombus melanopygus
171 observations
Western White
Pontia occidentalis
168 observations
Yellow Velvet Beetle
Lepturobosca chrysocoma
168 observations
Frequently Asked Questions
- The 10 most common insects in Montana are:
- Vancouver Bumble Bee (Bombus vancouverensis)
- Hunt's Bumble Bee (Bombus huntii)
- Spotted Tussock Moth (Lophocampa maculata)
- Western Honey Bee (Apis mellifera)
- White-spotted Sawyer (Monochamus scutellatus)
- Western Conifer Seed Bug (Leptoglossus occidentalis)
- Mourning Cloak (Nymphalis antiopa)
- California Tortoiseshell (Nymphalis californica)
- Leafy Spurge Hawkmoth (Hyles euphorbiae)
- European Mantis (Mantis religiosa)
- The most observed insect in Montana is Vancouver Bumble Bee (Bombus vancouverensis), with 646 recorded observations.
- Some of the most commonly observed invasive insects in Montana include:
- Knapweed Root Moth (Agapeta zoegana)
- Bronze Ground Beetle (Carabus nemoralis)