Insects & Arthropods of Denver, Colorado
The insects & arthropods most often spotted near Denver, ranked by recent research-grade observations.
48,966
recent observations
50
species listed
50
insects & arthropods
Naturalists have logged 48,966 research-grade observations across the 50 most-recorded species near Denver. The most frequently seen is the Western Honey Bee, with 3,835 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
3,835 observations
Bold Jumping Spider
Phidippus audax
2,508 observations
Painted Lady
Vanessa cardui
2,008 observations
Japanese Beetle
Popillia japonica
1,887 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
1,872 observations
Hunt's Bumble Bee
Bombus huntii
1,543 observations · iNaturalist
Monarch
Danaus plexippus
1,530 observations
European Paper Wasp
Polistes dominula
1,528 observations
Two-tailed Swallowtail
Papilio multicaudata
1,347 observations · iNaturalist
Two-striped Grasshopper
Melanoplus bivittatus
1,322 observations · iNaturalist
Convergent Lady Beetle
Hippodamia convergens
1,287 observations
Four-spotted Moth
Tyta luctuosa
1,204 observations · iNaturalist
Golden Northern Bumble Bee
Bombus fervidus
1,203 observations
Asian Lady Beetle
Harmonia axyridis
1,141 observations
Small White
Pieris rapae
1,141 observations
White-lined Sphinx
Hyles lineata
1,109 observations · iNaturalist
Common Checkered-Skipper
Burnsius communis
1,049 observations · iNaturalist
Brown-belted Bumble Bee
Bombus griseocollis
1,036 observations
European Mantis
Mantis religiosa
983 observations
Western Black Widow
Latrodectus hesperus
955 observations
Eastern Boxelder Bug
Boisea trivittata
890 observations
Great Spreadwing
Archilestes grandis
854 observations · iNaturalist
Variegated Meadowhawk
Sympetrum corruptum
740 observations · iNaturalist
Taxiles Skipper
Lon taxiles
740 observations · iNaturalist
Red-femured Milkweed Borer
Tetraopes femoratus
724 observations · iNaturalist
Widow Skimmer
Libellula luctuosa
723 observations
Colorado Soldier Beetle
Chauliognathus basalis
709 observations · iNaturalist
Western Conifer Seed Bug
Leptoglossus occidentalis
705 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
678 observations
Greater Anglewing
Microcentrum rhombifolium
662 observations · iNaturalist
Small Milkweed Bug
Lygaeus kalmii
658 observations
Jagged Ambush Bug
Phymata americana
656 observations
Band-winged Meadowhawk
Sympetrum semicinctum
650 observations · iNaturalist
Apache Jumping Spider
Phidippus apacheanus
649 observations · iNaturalist
Gray Hairstreak
Strymon melinus
610 observations
Nevada Bumble Bee
Bombus nevadensis
602 observations
Differential Grasshopper
Melanoplus differentialis
600 observations
Red-backed Darkling Beetle
Eleodes suturalis
581 observations · iNaturalist
Woodlouse Spider
Dysdera crocata
580 observations
Common Whitetail
Plathemis lydia
562 observations
Checkered White
Pontia protodice
539 observations · iNaturalist
Corn Earworm Moth
Helicoverpa zea
517 observations · iNaturalist
Blue Fungus Beetle
Cypherotylus californicus
517 observations · iNaturalist
Sutured Longhorn Beetle
Batyle suturalis
503 observations · iNaturalist
American Bumble Bee
Bombus pensylvanicus
501 observations
Twelve-spotted Skimmer
Libellula pulchella
491 observations
European Harvestman
Phalangium opilio
474 observations · iNaturalist
Red Admiral
Vanessa atalanta
465 observations
Eurasian Drone Fly
Eristalis arbustorum
451 observations · iNaturalist
Western Yellowjacket
Vespula pensylvanica
447 observations · iNaturalist
Insects & Arthropods in nearby places
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