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Insects & Arthropods of Theodore Roosevelt National Park

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

1,210
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 1,210 research-grade observations across the 50 most-recorded species in Theodore Roosevelt. The most frequently seen is the Leafy Spurge Hawkmoth, with 96 recorded sightings.

Most-observed insects & arthropods in Theodore Roosevelt

Leafy Spurge Hawkmoth
Hyles euphorbiae
96 observations · iNaturalist
Two-striped Grasshopper
Melanoplus bivittatus
66 observations · iNaturalist
Sagebrush Checkerspot
Chlosyne acastus
53 observations · iNaturalist
Brown-belted Bumble Bee
Bombus griseocollis
52 observations
Banded Garden Spider
Argiope trifasciata
49 observations · iNaturalist
Punctured Tiger Beetle
Cicindelidia punctulata
41 observations · iNaturalist
Melissa Blue
Plebejus melissa
40 observations
Western Harvester Ant
Pogonomyrmex occidentalis
37 observations · iNaturalist
Clouded Sulphur
Colias philodice
36 observations
Common Wood-Nymph
Cercyonis pegala
35 observations
Purple Tiger Beetle
Cicindela purpurea
34 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
32 observations
Big Sand Tiger Beetle
Cicindela formosa
31 observations · iNaturalist
Red Admiral
Vanessa atalanta
29 observations
Carolina Grasshopper
Dissosteira carolina
29 observations · iNaturalist
Crimson Saltflat Tiger Beetle
Cicindela fulgida
29 observations · iNaturalist
Common Ringlet
Coenonympha california
23 observations
Green Claybank Tiger Beetle
Cicindela denverensis
23 observations · iNaturalist
Common Checkered-Skipper
Burnsius communis
23 observations · iNaturalist
Stenomorpha opaca
Stenomorpha opaca
22 observations · iNaturalist
Golden Paper Wasp
Polistes aurifer
21 observations · iNaturalist
Blowout Tiger Beetle
Cicindela lengi
21 observations · iNaturalist
Bronzed Tiger Beetle
Cicindela repanda
20 observations
Ten-lined June Beetle
Polyphylla decemlineata
20 observations
Eastern Tumblebug
Canthon pilularius
20 observations · iNaturalist
Juniper Hairstreak
Callophrys gryneus
19 observations
Black Blister Beetle
Epicauta pensylvanica
17 observations · iNaturalist
Extricated Darkling Beetle
Eleodes extricata
16 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
15 observations
Yellow-shouldered Drone Fly
Eristalis stipator
15 observations · iNaturalist
Eleodes carbonaria
Eleodes carbonaria
15 observations · iNaturalist
Red-winged Grasshopper
Arphia pseudonietana
15 observations · iNaturalist
Golden Northern Bumble Bee
Bombus fervidus
14 observations
Rainbow Grasshopper
Dactylotum bicolor
14 observations · iNaturalist
Three-ribbed Darkling Beetle
Eleodes tricostata
14 observations · iNaturalist
Aphrodite Fritillary
Argynnis aphrodite
14 observations · iNaturalist
Gorgone Checkerspot
Chlosyne gorgone
13 observations · iNaturalist
Rough-lipped Darkling Beetle
Eleodes hispilabris
13 observations · iNaturalist
Variegated Meadowhawk
Sympetrum corruptum
12 observations · iNaturalist
Weidemeyer's Admiral
Limenitis weidemeyerii
12 observations
Hunt's Bumble Bee
Bombus huntii
12 observations · iNaturalist
Western White
Pontia occidentalis
12 observations
Baird's Swallowtail
Papilio bairdii
12 observations · iNaturalist
Margined Calligrapher
Toxomerus marginatus
11 observations · iNaturalist
Plains Branded Skipper
Hesperia assiniboia
11 observations · iNaturalist
Nuttall's Blister Beetle
Lytta nuttalli
11 observations · iNaturalist
Snowberry Clearwing
Hemaris diffinis
11 observations · iNaturalist
Painted Lady
Vanessa cardui
10 observations
Eastern Boxelder Bug
Boisea trivittata
10 observations
Small Milkweed Bug
Lygaeus kalmii
10 observations

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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