Insects & Arthropods of Mount Rainier National Park
The insects & arthropods most often spotted in Mount Rainier, ranked by recent research-grade observations.
Most-observed insects & arthropods in Mount Rainier
Anna's Blue
Plebejus anna
446 observations · iNaturalist
Edith's Checkerspot
Euphydryas editha
341 observations
Mormon Fritillary
Argynnis mormonia
230 observations · iNaturalist
Dispirited Tiger Beetle
Cicindela depressula
182 observations · iNaturalist
White-spotted Sawyer
Monochamus scutellatus
145 observations
Boisduval's Blue
Icaricia icarioides
132 observations · iNaturalist
Black-tailed Bumble Bee
Bombus melanopygus
125 observations · iNaturalist
Vancouver Bumble Bee
Bombus vancouverensis
110 observations · iNaturalist
California Tortoiseshell
Nymphalis californica
108 observations
Snowberry Checkerspot
Euphydryas colon
103 observations · iNaturalist
Arctic Fritillary
Boloria chariclea
102 observations
Coronis Fritillary
Argynnis coronis
84 observations · iNaturalist
Western Pond Fly
Sericomyia chalcopyga
80 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
76 observations
Mariposa Copper
Tharsalea mariposa
73 observations · iNaturalist
Cascade Timberline Grasshopper
Prumnacris rainierensis
68 observations · iNaturalist
Pachyta armata
Pachyta armata
65 observations · iNaturalist
Goldenrod Crab Spider
Misumena vatia
59 observations
Black-margined Flower Fly
Syrphus opinator
56 observations · iNaturalist
Hoary Comma
Polygonia gracilis
53 observations
Pacific Fritillary
Boloria epithore
52 observations · iNaturalist
Police Car Moth
Gnophaela vermiculata
46 observations · iNaturalist
Milbert's Tortoiseshell
Aglais milberti
45 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
42 observations
Judolia instabilis
Judolia instabilis
41 observations · iNaturalist
Great Grig
Cyphoderris monstrosa
41 observations · iNaturalist
Hydaspe Fritillary
Argynnis hydaspe
41 observations · iNaturalist
Green Comma
Polygonia faunus
39 observations
Field Crescent
Phyciodes pulchella
38 observations · iNaturalist
Silvery Blue
Glaucopsyche lygdamus
35 observations
Clodius Parnassian
Parnassius clodius
35 observations · iNaturalist
Common Loopwing Aphideater
Lapposyrphus lapponicus
35 observations · iNaturalist
Crackling Forest Grasshopper
Trimerotropis verruculata
34 observations · iNaturalist
Western White
Pontia occidentalis
34 observations
Lorquin's Admiral
Limenitis lorquini
33 observations
Western Black Carpenter Ant
Camponotus modoc
32 observations · iNaturalist
Nordmann's Orbweaver Spider
Araneus nordmanni
32 observations · iNaturalist
Pine White
Neophasia menapia
29 observations
Black-legged Gossamer
Megasyrphus laxus
29 observations · iNaturalist
Yellowish Cuckoo Bumble bee
Bombus flavidus
29 observations · iNaturalist
Western Thatching Ant
Formica obscuripes
26 observations · iNaturalist
Western Wood Fly
Blera scitula
26 observations · iNaturalist
Narrow-collared Snail-eating Beetle
Scaphinotus angusticollis
25 observations · iNaturalist
Painted Lady
Vanessa cardui
24 observations
Vancouver Flower Longhorn Beetle
Evodinus vancouveri
24 observations · iNaturalist
Oregon Lady Beetle
Hippodamia oregonensis
23 observations · iNaturalist
White-bowed Smoothwing
Scaeva affinis
23 observations · iNaturalist
Red Net-winged Beetle
Dictyoptera simplicipes
22 observations · iNaturalist
Spotted Tussock Moth
Lophocampa maculata
20 observations
Pale Swallowtail
Papilio eurymedon
19 observations