Insects & Arthropods of Denver, Colorado
The insects & arthropods most often spotted near Denver, ranked by recent research-grade observations.
47,056
recent observations
50
species listed
50
insects & arthropods
Naturalists have logged 47,056 research-grade observations across the 50 most-recorded species near Denver. The most frequently seen is the Western Honey Bee, with 3,664 recorded sightings.
Rarer finds confirmed near Denver include Ambush Bug - uncommon enough that a sighting is worth logging.
Most-observed insects & arthropods near Denver
Western Honey Bee
Apis mellifera
3,664 observations
Bold Jumping Spider
Phidippus audax
2,439 observations
Japanese Beetle
Popillia japonica
1,839 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
1,812 observations
Painted Lady
Vanessa cardui
1,660 observations
Hunt's Bumble Bee
Bombus huntii
1,524 observations · iNaturalist
European Paper Wasp
Polistes dominula
1,444 observations
Monarch
Danaus plexippus
1,375 observations
Two-tailed Swallowtail
Papilio multicaudata
1,328 observations · iNaturalist
Two-striped Grasshopper
Melanoplus bivittatus
1,290 observations · iNaturalist
Convergent Lady Beetle
Hippodamia convergens
1,252 observations
Golden Northern Bumble Bee
Bombus fervidus
1,199 observations
Four-spotted Moth
Tyta luctuosa
1,186 observations · iNaturalist
Asian Lady Beetle
Harmonia axyridis
1,123 observations
Small White
Pieris rapae
1,104 observations
White-lined Sphinx
Hyles lineata
1,066 observations · iNaturalist
Brown-belted Bumble Bee
Bombus griseocollis
1,032 observations
Common Checkered-Skipper
Burnsius communis
987 observations · iNaturalist
European Mantis
Mantis religiosa
944 observations
Western Black Widow
Latrodectus hesperus
888 observations · iNaturalist
Eastern Boxelder Bug
Boisea trivittata
888 observations
Great Spreadwing
Archilestes grandis
796 observations · iNaturalist
Taxiles Skipper
Lon taxiles
737 observations · iNaturalist
Widow Skimmer
Libellula luctuosa
720 observations
Red-femured Milkweed Borer
Tetraopes femoratus
707 observations · iNaturalist
Variegated Meadowhawk
Sympetrum corruptum
696 observations · iNaturalist
Western Conifer Seed Bug
Leptoglossus occidentalis
693 observations · iNaturalist
Colorado Soldier Beetle
Chauliognathus basalis
661 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
653 observations
Greater Anglewing
Microcentrum rhombifolium
652 observations · iNaturalist
Small Milkweed Bug
Lygaeus kalmii
646 observations
Band-winged Meadowhawk
Sympetrum semicinctum
645 observations · iNaturalist
Jagged Ambush Bug
Phymata americana
606 observations
Apache Jumping Spider
Phidippus apacheanus
601 observations · iNaturalist
Nevada Bumble Bee
Bombus nevadensis
593 observations
Differential Grasshopper
Melanoplus differentialis
579 observations
Gray Hairstreak
Strymon melinus
577 observations
Woodlouse Spider
Dysdera crocata
568 observations
Common Whitetail
Plathemis lydia
561 observations
Red-backed Darkling Beetle
Eleodes suturalis
552 observations · iNaturalist
Checkered White
Pontia protodice
526 observations · iNaturalist
Blue Fungus Beetle
Cypherotylus californicus
517 observations · iNaturalist
Sutured Longhorn Beetle
Batyle suturalis
501 observations · iNaturalist
American Bumble Bee
Bombus pensylvanicus
494 observations
Twelve-spotted Skimmer
Libellula pulchella
489 observations
European Harvestman
Phalangium opilio
474 observations · iNaturalist
Red Admiral
Vanessa atalanta
460 observations
Eurasian Drone Fly
Eristalis arbustorum
446 observations · iNaturalist
Western Yellowjacket
Vespula pensylvanica
440 observations · iNaturalist
Margined Calligrapher
Toxomerus marginatus
422 observations · iNaturalist
Insects & Arthropods in nearby places
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