Insects & Arthropods of Yosemite National Park
The insects & arthropods most often spotted in Yosemite, ranked by recent research-grade observations.
Most-observed insects & arthropods in Yosemite
California Sister
Adelpha californica
660 observations
Convergent Lady Beetle
Hippodamia convergens
312 observations
California Tortoiseshell
Nymphalis californica
282 observations
Pale Swallowtail
Papilio eurymedon
263 observations
Clodius Parnassian
Parnassius clodius
253 observations · iNaturalist
Shasta Blue
Icaricia shasta
247 observations · iNaturalist
Yellow-faced Bumble Bee
Bombus vosnesenskii
228 observations · iNaturalist
Echo Azure
Celastrina echo
227 observations · iNaturalist
Mormon Fritillary
Argynnis mormonia
207 observations · iNaturalist
Sandhill Skipper
Polites sabuleti
206 observations · iNaturalist
Lustrous Copper
Lycaena cupreus
203 observations · iNaturalist
Silver-spotted Tiger Moth
Lophocampa argentata
198 observations · iNaturalist
Greenish Blue
Icaricia saepiolus
194 observations · iNaturalist
Edith's Copper
Tharsalea editha
191 observations · iNaturalist
Cobalt Milkweed Beetle
Chrysochus cobaltinus
189 observations · iNaturalist
Edith's Checkerspot
Euphydryas editha
183 observations
Sierra Sulphur
Colias behrii
173 observations · iNaturalist
Hoary Comma
Polygonia gracilis
151 observations
White-lined Sphinx
Hyles lineata
139 observations · iNaturalist
Western Tiger Swallowtail
Papilio rutulus
133 observations
Sierra Blue
Agriades podarce
133 observations · iNaturalist
Western Forest Scorpion
Uroctonus mordax
132 observations · iNaturalist
Crackling Forest Grasshopper
Trimerotropis verruculata
128 observations · iNaturalist
Variable Checkerspot
Euphydryas chalcedona
127 observations · iNaturalist
Lorquin's Admiral
Limenitis lorquini
125 observations
Mylitta Crescent
Phyciodes mylitta
123 observations · iNaturalist
Monarch
Danaus plexippus
113 observations
Ornate Checkered Beetle
Trichodes ornatus
106 observations
White-spotted Sawyer
Monochamus scutellatus
104 observations
Western Honey Bee
Apis mellifera
103 observations
Ruddy Copper
Tharsalea rubidus
103 observations · iNaturalist
Western Black Carpenter Ant
Camponotus modoc
102 observations · iNaturalist
Painted Lady
Vanessa cardui
99 observations
Propertius Duskywing
Erynnis propertius
97 observations · iNaturalist
Mourning Cloak
Nymphalis antiopa
92 observations
American Lady
Vanessa virginiensis
87 observations
Four-spotted Skimmer
Libellula quadrimaculata
87 observations · iNaturalist
Pacific Fritillary
Boloria epithore
87 observations · iNaturalist
Gray Buckeye
Junonia grisea
87 observations · iNaturalist
Orange Sulphur
Colias eurytheme
82 observations
Boisduval's Blue
Icaricia icarioides
82 observations · iNaturalist
Koch's Wolf Spider
Alopecosa kochi
81 observations · iNaturalist
Acmon Blue
Icaricia acmon
78 observations · iNaturalist
Western Tiger Beetle
Cicindela oregona
76 observations · iNaturalist
Sonoran Blue
Philotes sonorensis
76 observations · iNaturalist
Woodland Skipper
Ochlodes sylvanoides
75 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
73 observations
Dimorphic Flower Longhorn Beetle
Anastrangalia laetifica
73 observations · iNaturalist
Boreal Long-lipped Tiger Beetle
Cicindela longilabris
73 observations · iNaturalist
Forest Bumble Bee
Bombus sylvicola
73 observations · iNaturalist