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Insects & Arthropods of Chugach State Park

The insects & arthropods most often spotted in Chugach, ranked by recent research-grade observations.

1,171
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 1,171 research-grade observations across the 50 most-recorded species in Chugach. The most frequently seen is the Milbert's Tortoiseshell, with 96 recorded sightings.

Most-observed insects & arthropods in Chugach

Milbert's Tortoiseshell
Aglais milberti
96 observations · iNaturalist
Canadian Tiger Swallowtail
Papilio canadensis
66 observations
Fuzzy-Horned Bumble Bee
Bombus mixtus
53 observations · iNaturalist
Birch Shield Bug
Elasmostethus interstinctus
51 observations · iNaturalist
Hercules Carpenter Ant
Camponotus herculeanus
43 observations · iNaturalist
White-striped Black
Trichodezia albovittata
40 observations · iNaturalist
Yellow-fronted Bumble Bee
Bombus flavifrons
36 observations · iNaturalist
Forest Bumble Bee
Bombus sylvicola
35 observations · iNaturalist
Two-spotted Lady Beetle
Adalia bipunctata
31 observations · iNaturalist
McKay's Western Bumble Bee
Bombus mckayi
31 observations · iNaturalist
Western Honey Bee
Apis mellifera
29 observations
Old World Swallowtail
Papilio machaon
28 observations · iNaturalist
Common Aerial Yellowjacket
Dolichovespula arenaria
26 observations
Mourning Cloak
Nymphalis antiopa
25 observations
Black-tailed Bumble Bee
Bombus melanopygus
25 observations · iNaturalist
American Yellowjacket
Vespula alascensis
25 observations · iNaturalist
Green Comma
Polygonia faunus
24 observations
Cream-spotted Ladybird
Calvia quatuordecimguttata
22 observations · iNaturalist
Marbled Orbweaver
Araneus marmoreus
21 observations · iNaturalist
Yellow-horned Horntail
Urocerus flavicornis
21 observations · iNaturalist
Western Arctic Skipper
Carterocephalus skada
21 observations · iNaturalist
Bedstraw Hawkmoth
Hyles gallii
20 observations · iNaturalist
Cranberry Blue
Agriades optilete
20 observations · iNaturalist
Nordmann's Orbweaver Spider
Araneus nordmanni
18 observations · iNaturalist
Orange-legged Furrow Bee
Halictus rubicundus
18 observations
North American Elm Sawfly
Cimbex americanus
18 observations · iNaturalist
Goldenrod Crab Spider
Misumena vatia
17 observations
Formica neorufibarbis
Formica neorufibarbis
17 observations · iNaturalist
Indiscriminate Cuckoo Bumble Bee
Bombus insularis
17 observations · iNaturalist
Ross' Tussock Moth
Gynaephora rossii
17 observations · iNaturalist
Rain Beetle
Pterostichus melanarius
16 observations
Silver-backed Orsodacnid Beetle
Orsodacne atra
16 observations · iNaturalist
Arctic Yellowjacket
Dolichovespula albida
16 observations · iNaturalist
Poplar Budgall Mite
Aceria parapopuli
16 observations · iNaturalist
Frigid Bumble Bee
Bombus frigidus
15 observations · iNaturalist
Mormon Fritillary
Argynnis mormonia
15 observations · iNaturalist
Pale Beauty
Campaea perlata
14 observations · iNaturalist
Margined White
Pieris marginalis
14 observations · iNaturalist
Arctic Fritillary
Boloria chariclea
14 observations
Stamnodes topazata
Stamnodes topazata
13 observations · iNaturalist
High Mountain Grasshopper
Melanoplus frigidus
13 observations · iNaturalist
Banded Sexton Beetle
Nicrophorus investigator
12 observations · iNaturalist
Parasitic Aerial Yellowjacket
Dolichovespula arctica
12 observations · iNaturalist
Giant Birch Sawfly
Trichiosoma triangulum
11 observations · iNaturalist
Greenish Blue
Icaricia saepiolus
11 observations · iNaturalist
Aceria kiefferi
Aceria kiefferi
11 observations · iNaturalist
Imported Currantworm
Euura ribesii
11 observations · iNaturalist
Meadow Spittlebug
Philaenus spumarius
10 observations · iNaturalist
Northern Blue
Plebejus idas
10 observations · iNaturalist
Herald Moth
Scoliopteryx libatrix
10 observations · iNaturalist

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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