Wildlife of Boulder County

Boulder County is comprised of 740 square miles of land nestled along the front range of Colorado just 30 miles northwest of Denver. Its proximity to the mountains, diverse landscapes, and various designated open spaces make the county ideal for observing local and even migrating wildlife. ...more ↓

Taxonomy
« Back To Arthropods Phylum Arthropoda
- Hexapods Subphylum Hexapoda
  - 59 Winged and Once-winged Insects Subclass Pterygota
  - 1 Silverfishes Order Zygentoma

Codling Moth ¹
Cydia pomonella

Western Honey Bee ²
Apis mellifera

Western Tiger Swallowtail ³
Papilio rutulus

Polyphemus Moth ⁴
Antheraea polyphemus

Widow Skimmer ⁵
Libellula luctuosa

Common Silverfish ⁶
Lepisma saccharina

Asian Lady Beetle ⁷
Harmonia axyridis

Painted Lady ⁸
Vanessa cardui

Monarch ⁹
Danaus plexippus

Wheel Bug ¹⁰
Arilus cristatus

Convergent Lady Beetle ¹¹
Hippodamia convergens

Red Admiral ¹²
Vanessa atalanta

White-lined Sphinx ¹³
Hyles lineata

Blinded Sphinx ¹⁴
Paonias excaecata

Halloween Pennant ¹⁵
Celithemis eponina

Hoary Comma ¹⁶
Polygonia gracilis

Gray Hairstreak ¹⁷
Strymon melinus

Common Checkered-Skipper ¹⁸
Pyrgus communis

Pallid-winged Grasshopper ¹⁹
Trimerotropis pallidipennis

Greater Bee Fly ²⁰
Bombylius major

Seven-spotted Ladybird ⁷
Coccinella septempunctata

American Rubyspot ²¹
Hetaerina americana

Dainty Sulphur ²²
Nathalis iole

Two-spotted Ladybug ²³
Adalia bipunctata

Northern Paper Wasp ²⁴
Polistes fuscatus

Agile Long-horned Bee ²⁵
Melissodes agilis

Alfalfa Leafcutter Bee ²⁶
Megachile rotundata

Black Saddlebags ²¹
Tramea lacerata

Bald-faced Hornet ²⁷
Dolichovespula maculata

Pearl Crescent ²⁸
Phyciodes tharos

Eastern Boxelder Bug ²⁹
Boisea trivittata

Big-eyed Toad Bug ³⁰
Gelastocoris oculatus

Rose Aphid ³¹
Macrosiphum rosae

European Mantis ³²
Mantis religiosa

Callippe Fritillary
Speyeria callippe

Spotted Cucumber Beetle ³³
Diabrotica undecimpunctata

Pale Swallowtail ³⁴
Papilio eurymedon

Large Milkweed Bug ⁷
Oncopeltus fasciatus

Cabbage White ³⁵
Pieris rapae

Drone Fly ³⁶
Eristalis tenax

Western Tent Caterpillar Moth ³⁷
Malacosoma californicum

Vivid Dancer ³⁸
Argia vivida

Masked Hunter ³⁹
Reduvius personatus

Satyr Comma ⁴⁰
Polygonia satyrus

Harlequin Bug ⁴¹
Murgantia histrionica

Silvery Blue ⁴²
Glaucopsyche lygdamus

Mourning Cloak ⁴³
Nymphalis antiopa

Four-spotted Skimmer ⁴⁴
Libellula quadrimaculata

Dreamy Duskywing ⁴⁵
Erynnis icelus

Leonard's Skipper ⁴⁶
Hesperia leonardus

Tawny-edged Skipper ⁴⁷
Polites themistocles

Dun Skipper ²¹
Euphyes vestris

Black Swallowtail ⁴⁸
Papilio polyxenes

Clouded Sulphur ⁴⁹
Colias philodice

Orange Sulphur ⁴⁹
Colias eurytheme

Bronze Copper ⁵⁰
Lycaena hyllus

Aphrodite Fritillary ⁵¹
Speyeria aphrodite

Viceroy ⁵²
Limenitis archippus

Checkered White ¹⁵
Pontia protodice

Large Marble ⁵³
Euchloe ausonides

Edited by srupinsky, Melanie Hill, Deborah H Price, and Dave Sutherland, some rights reserved (CC BY-SA)

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Wildlife of Boulder County

Codling Moth 1 Cydia pomonella

Western Honey Bee 2 Apis mellifera

Western Tiger Swallowtail 3 Papilio rutulus

Polyphemus Moth 4 Antheraea polyphemus

Widow Skimmer 5 Libellula luctuosa

Common Silverfish 6 Lepisma saccharina

Asian Lady Beetle 7 Harmonia axyridis

Painted Lady 8 Vanessa cardui

Monarch 9 Danaus plexippus

Wheel Bug 10 Arilus cristatus

Convergent Lady Beetle 11 Hippodamia convergens

Red Admiral 12 Vanessa atalanta

White-lined Sphinx 13 Hyles lineata

Blinded Sphinx 14 Paonias excaecata

Halloween Pennant 15 Celithemis eponina

Hoary Comma 16 Polygonia gracilis

Gray Hairstreak 17 Strymon melinus

Common Checkered-Skipper 18 Pyrgus communis

Pallid-winged Grasshopper 19 Trimerotropis pallidipennis

Greater Bee Fly 20 Bombylius major

Seven-spotted Ladybird 7 Coccinella septempunctata

American Rubyspot 21 Hetaerina americana

Dainty Sulphur 22 Nathalis iole

Two-spotted Ladybug 23 Adalia bipunctata

Northern Paper Wasp 24 Polistes fuscatus

Agile Long-horned Bee 25 Melissodes agilis

Alfalfa Leafcutter Bee 26 Megachile rotundata

Black Saddlebags 21 Tramea lacerata

Bald-faced Hornet 27 Dolichovespula maculata

Pearl Crescent 28 Phyciodes tharos

Eastern Boxelder Bug 29 Boisea trivittata

Big-eyed Toad Bug 30 Gelastocoris oculatus

Rose Aphid 31 Macrosiphum rosae

European Mantis 32 Mantis religiosa

Callippe Fritillary Speyeria callippe

Spotted Cucumber Beetle 33 Diabrotica undecimpunctata

Pale Swallowtail 34 Papilio eurymedon

Large Milkweed Bug 7 Oncopeltus fasciatus

Cabbage White 35 Pieris rapae

Drone Fly 36 Eristalis tenax

Western Tent Caterpillar Moth 37 Malacosoma californicum

Vivid Dancer 38 Argia vivida

Masked Hunter 39 Reduvius personatus

Satyr Comma 40 Polygonia satyrus

Harlequin Bug 41 Murgantia histrionica

Silvery Blue 42 Glaucopsyche lygdamus

Mourning Cloak 43 Nymphalis antiopa

Four-spotted Skimmer 44 Libellula quadrimaculata

Dreamy Duskywing 45 Erynnis icelus

Leonard's Skipper 46 Hesperia leonardus

Tawny-edged Skipper 47 Polites themistocles

Dun Skipper 21 Euphyes vestris

Black Swallowtail 48 Papilio polyxenes

Clouded Sulphur 49 Colias philodice

Orange Sulphur 49 Colias eurytheme

Bronze Copper 50 Lycaena hyllus

Aphrodite Fritillary 51 Speyeria aphrodite

Viceroy 52 Limenitis archippus

Checkered White 15 Pontia protodice

Large Marble 53 Euchloe ausonides