Insects & Arthropods of North Cascades National Park
The insects & arthropods most often spotted in North Cascades, ranked by recent research-grade observations.
Most-observed insects & arthropods in North Cascades
Pacific Fritillary
Boloria epithore
50 observations · iNaturalist
Clodius Parnassian
Parnassius clodius
43 observations · iNaturalist
White-spotted Sawyer
Monochamus scutellatus
43 observations
Anna's Blue
Plebejus anna
40 observations · iNaturalist
Lorquin's Admiral
Limenitis lorquini
38 observations
Mormon Fritillary
Argynnis mormonia
33 observations · iNaturalist
MacCulloch's Forester Moth
Androloma maccullochii
29 observations · iNaturalist
Green Comma
Polygonia faunus
28 observations
Spotted Tussock Moth
Lophocampa maculata
26 observations
Black-tailed Bumble Bee
Bombus melanopygus
25 observations · iNaturalist
Western Tent Caterpillar Moth
Malacosoma californica
21 observations · iNaturalist
Pale Swallowtail
Papilio eurymedon
20 observations
Anise Swallowtail
Papilio zelicaon
18 observations
Yellow-fronted Bumble Bee
Bombus flavifrons
18 observations · iNaturalist
Fall Webworm Moth
Hyphantria cunea
18 observations
Mourning Cloak
Nymphalis antiopa
17 observations
California Tortoiseshell
Nymphalis californica
16 observations
Ceanothus Silk Moth
Hyalophora euryalus
15 observations · iNaturalist
Cross Orbweaver
Araneus diadematus
15 observations
Dispirited Tiger Beetle
Cicindela depressula
15 observations · iNaturalist
Crackling Forest Grasshopper
Trimerotropis verruculata
15 observations · iNaturalist
Pachyta armata
Pachyta armata
15 observations · iNaturalist
Western Tiger Swallowtail
Papilio rutulus
14 observations
Satyr Comma
Polygonia satyrus
14 observations · iNaturalist
Yellow-faced Bumble Bee
Bombus vosnesenskii
14 observations · iNaturalist
Virginian Tiger Moth
Spilosoma virginica
14 observations
Goldenrod Crab Spider
Misumena vatia
13 observations
Milbert's Tortoiseshell
Aglais milberti
13 observations · iNaturalist
Fuzzy-Horned Bumble Bee
Bombus mixtus
13 observations · iNaturalist
Hydaspe Fritillary
Argynnis hydaspe
13 observations · iNaturalist
Polyphemus Moth
Antheraea polyphemus
12 observations
Woodland Skipper
Ochlodes sylvanoides
12 observations · iNaturalist
Black-margined Flower Fly
Syrphus opinator
12 observations · iNaturalist
Silvery Blue
Glaucopsyche lygdamus
11 observations
Purplish Copper
Tharsalea helloides
11 observations · iNaturalist
Arctic Fritillary
Boloria chariclea
10 observations
Mariposa Copper
Tharsalea mariposa
10 observations · iNaturalist
Red Net-winged Beetle
Dictyoptera simplicipes
9 observations · iNaturalist
Western Black Carpenter Ant
Camponotus modoc
9 observations · iNaturalist
Mountain Lady Beetle
Coccinella monticola
9 observations · iNaturalist
Western Honey Bee
Apis mellifera
8 observations
Echo Azure
Celastrina echo
8 observations · iNaturalist
Bald-faced Hornet
Dolichovespula maculata
8 observations
Common Drone Fly
Eristalis tenax
8 observations
Black Petaltail
Tanypteryx hageni
8 observations · iNaturalist
Margined White
Pieris marginalis
8 observations · iNaturalist
Juniper Hairstreak
Callophrys gryneus
8 observations
Subvittate Lady Beetle
Myzia subvittata
8 observations · iNaturalist
Pale-marked Angle
Macaria signaria
8 observations · iNaturalist
Filmy Dome Spider
Neriene radiata
8 observations · iNaturalist