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Denver-Boulder Metro Area: Bugs

This guide contains spiders, bees, wasps, ants, beetles, dragonflies, grasshoppers, flies and other bugs that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

Phidippus pius 1
Cardinal Jumping Spider 2
Phidippus cardinalis
Brilliant Jumping Spider 3
Phidippus clarus
Bold Jumper 4
Phidippus audax
Phidippus olympus 5
Apache Jumping Spider 6
Phidippus apacheanus
Desert Red Jumping Spider 7
Phidippus ardens
Hart's Jumping Spider 8
Tutelina harti
Thick-spined Jumping Spider 9
Tutelina similis
Attinella dorsata 10
Attulus ammophilus 5
Asiatic Wall Jumping Spider 11
Attulus fasciger
Flower Jumping Spider 12
Attulus floricola
Flower Jumping Spider 12
Calositticus floricola
Half-edged Wall Jumping Spider 13
Menemerus semilimbatus
Minute Jumping Spider 14
Talavera minuta
Contrasting Jumping Spider 15
Euophrys monadnock
Mexigonus arizonensis 16
Zebra Jumper 17
Salticus scenicus
Evarcha proszynskii 18
Lapland Jumping Spider 19
Pellenes lapponicus
Habronattus altanus 20
Habronattus cuspidatus 1
Habronattus festus 20
Habronattus cognatus 14
Habronattus conjunctus 21
Habronattus sansoni 20
Habronattus calcaratus 22
Habronattus calcaratus agricola 23
Habronattus clypeatus 20
Hirsute Paradise Spider 24
Habronattus hirsutus
Habronattus venatoris 5
Black Laceweaver 25
Amaurobius ferox
Giant Crab Spider 26
Heteropoda venatoria
American Cellar Spider 18
Pholcophora americana
Long-bodied Cellar Spider 27
Pholcus phalangioides
Common Spitting Spider 28
Scytodes thoracica
Scytodes univittata 29
Brown Recluse 30
Loxosceles reclusa
Woodlouse Spider 31
Dysdera crocata
Togwotee Harvestman 32
Togwoteeus biceps
European Harvestman 33
Phalangium opilio
Rocky Mountain Wood Tick 34
Dermacentor andersoni
American Dog Tick 35
Dermacentor variabilis
Phyllocoptes didelphis 36
Plantain Leaf Mite 37
Leipothrix coactus
Poison Ivy Leaf Mite 38
Aculops rhois
Willow Bead Gall Mite 39
Aculus tetanothrix
Maple Erineum Mite 40
Aceria calaceris
Witches Broom of Hackberry Mite 41
Aceria celtis
Ash Bead Gall Mite 42
Aceria fraxini
box elder pouch gall mite 40
Aceria negundi
Poplar Budgall Mite 43
Aceria parapopuli
Aceria trichophila 44
Black Cherry Leaf Gall Mite 45
Eriophyes cerasicrumena
Plum Finger Gall Mite 46
Eriophyes emarginatae
Alder Leaf Gall Mite 44
Eriophyes laevis
Red Nail Gall Mite 47
Eriophyes tiliae
Boxwood Mite 48
Eurytetranychus buxi
Dorymyrmex insanus 49
Odorous House Ant 50
Tapinoma sessile
Western Carpenter Ant 49
Camponotus modoc
Bicolored Carpenter Ant 51
Camponotus vicinus
Western Thatching Ant 52
Formica obscuripes
Red Harvester Ant 53
Pogonomyrmex barbatus
Rough Harvester Ant 53
Pogonomyrmex rugosus
Western Harvester Ant 49
Pogonomyrmex occidentalis
Fire Ants 54
Solenopsis
Temnothorax rugatulus 55
Red Pavement Ant 56
Tetramorium caespitum
Common Eastern Velvet Ant 45
Dasymutilla occidentalis
Dasymutilla vestita 57
Noble Scoliid Wasp 58
Scolia nobilitata
Ammophila ferruginosa 59
Grass-Carrying Wasp 60
Isodontia elegans
Great Golden Digger Wasp 61
Sphex ichneumoneus
Great Black Wasp 62
Sphex pensylvanicus
Black-and-yellow Mud Dauber 63
Sceliphron caementarium
Blue Mud Dauber 64
Chalybion californicum
Steel-blue Cricket-hunter Wasp 65
Chlorion aerarium
Beewolf 45
Philanthus gibbosus
Four-banded Stink Bug Hunter Wasp 66
Bicyrtes quadrifasciatus
Eastern Cicada Killer Wasp 67
Sphecius speciosus
Long-horned Bee 63
Svastra obliqua
Agile Long-horned Bee 68
Melissodes agilis
Two-spotted Long-horned Bee 69
Melissodes bimaculatus
Pruinose Squash Bee 70
Peponapis pruinosa
Bumble-bee-mimic Digger Bee 71
Anthophora bomboides
California Cuckoo Bee 72
Xeromelecta californica
Cuckoo Bee 73
Melecta pacifica
White-Shouldered Bumble Bee 74
Bombus appositus
Black-and-gold Bumble Bee 75
Bombus auricomus
Nevada Bumble Bee 76
Bombus nevadensis
High Country Bumble Bee 77
Bombus balteatus
Brown-belted Bumble Bee 78
Bombus griseocollis
Morrison's Bumble Bee 79
Bombus morrisoni
Red-belted Bumble Bee 80
Bombus rufocinctus
Black-notched Bumble Bee 81
Bombus bifarius
Hunt's Bumble Bee 78
Bombus huntii
Forest Bumble Bee 82
Bombus sylvicola

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) latimeria-co, some rights reserved (CC BY-NC), uploaded by latimeria-co
  • 2. (c) Thomas Shahan, some rights reserved (CC BY)
  • 3. (c) Thomas Shahan, some rights reserved (CC BY-NC-ND)
  • 4. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
  • 5. (c) calebcam, some rights reserved (CC BY-NC), uploaded by calebcam
  • 6. (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan
  • 7. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
  • 8. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
  • 9. (c) molanic, some rights reserved (CC BY-NC), uploaded by molanic
  • 10. (c) Tobi (he/him), some rights reserved (CC BY), uploaded by Tobi (he/him)
  • 11. no rights reserved, uploaded by Zygy
  • 12. (c) Denis Doucet, some rights reserved (CC BY-NC), uploaded by Denis Doucet
  • 13. (c) Frupus, some rights reserved (CC BY-NC)
  • 14. (c) Buddy, some rights reserved (CC BY-NC), uploaded by Buddy
  • 15. (c) Marc Dufour, some rights reserved (CC BY-NC)
  • 16. (c) Matt Webb, some rights reserved (CC BY-NC), uploaded by Matt Webb
  • 17. (c) Philipp Wickey, all rights reserved, uploaded by Philipp Wickey
  • 18. (c) K Schneider, some rights reserved (CC BY-NC), uploaded by K Schneider
  • 19. (c) Sebastian Alejandro Echeverri, some rights reserved (CC BY-NC-SA), uploaded by Sebastian Alejandro Echeverri
  • 20. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
  • 21. (c) Rebecca Ray, some rights reserved (CC BY-NC), uploaded by Rebecca Ray
  • 22. (c) christine123, some rights reserved (CC BY), uploaded by christine123
  • 23. (c) adriscoll, some rights reserved (CC BY-NC), uploaded by adriscoll
  • 24. (c) Paul G. Johnson, some rights reserved (CC BY-NC-SA), uploaded by Paul G. Johnson
  • 25. (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz
  • 26. (c) Cheng-Tao Lin, some rights reserved (CC BY), uploaded by Cheng-Tao Lin
  • 27. (c) Frederik Leck Fischer, all rights reserved, uploaded by Frederik Leck Fischer
  • 28. (c) bscrl, some rights reserved (CC BY-NC), uploaded by bscrl
  • 29. (c) Roland Sauerland, some rights reserved (CC BY-NC), uploaded by Roland Sauerland
  • 30. (c) James W. Beck, some rights reserved (CC BY-NC), uploaded by James W. Beck
  • 31. (c) Kurt Andreas, some rights reserved (CC BY-NC-SA)
  • 32. (c) Jason Headley, some rights reserved (CC BY-NC), uploaded by Jason Headley
  • 33. (c) Steve Kerr, some rights reserved (CC BY), uploaded by Steve Kerr
  • 34. (c) Dan L. Johnson, some rights reserved (CC BY-NC), uploaded by Dan L. Johnson
  • 35. (c) AFPMB, some rights reserved (CC BY-NC-ND)
  • 36. no rights reserved, uploaded by Adam Kranz
  • 37. (c) Alexis, some rights reserved (CC BY), uploaded by Alexis
  • 38. (c) Priyantha Wijesinghe, some rights reserved (CC BY-NC), uploaded by Priyantha Wijesinghe
  • 39. (c) Franco Folini, some rights reserved (CC BY)
  • 40. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
  • 41. (c) matthew_wills, some rights reserved (CC BY-NC), uploaded by matthew_wills
  • 42. (c) Ken Potter, some rights reserved (CC BY-NC), uploaded by Ken Potter
  • 43. (c) drudanae, some rights reserved (CC BY-NC), uploaded by drudanae
  • 44. (c) Garth Harwood, some rights reserved (CC BY), uploaded by Garth Harwood
  • 45. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher
  • 46. (c) Jeff Skrentny, some rights reserved (CC BY-NC), uploaded by Jeff Skrentny
  • 47. (c) mikebwd, some rights reserved (CC BY-NC), uploaded by mikebwd
  • 48. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
  • 49. (c) California Academy of Sciences, 2000-2010, some rights reserved (CC BY-NC-SA)
  • 50. (c) Mardon Erbland, some rights reserved (CC BY-NC), uploaded by Mardon Erbland
  • 51. no rights reserved, uploaded by Scott Loarie
  • 52. (c) R.J. Adams, some rights reserved (CC BY-NC), uploaded by R.J. Adams
  • 53. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
  • 54. (c) AJ Cann, some rights reserved (CC BY-NC-SA)
  • 55. (c) Jen Fogarty, some rights reserved (CC BY)
  • 56. (c) Ian Marsman, some rights reserved (CC BY-NC-ND)
  • 57. (c) Meghan Cassidy, some rights reserved (CC BY-SA), uploaded by Meghan Cassidy
  • 58. (c) Pam Piombino, some rights reserved (CC BY-NC), uploaded by Pam Piombino
  • 59. (c) psweet, some rights reserved (CC BY-SA), uploaded by psweet
  • 60. (c) dlbowls, some rights reserved (CC BY-NC), uploaded by dlbowls
  • 61. (c) krzysztofkurylowicz, some rights reserved (CC BY-NC)
  • 62. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
  • 63. (c) A. Jaszlics, some rights reserved (CC BY-NC)
  • 64. (c) Jimmy Smith, some rights reserved (CC BY-NC-ND)
  • 65. (c) Mickey Long, some rights reserved (CC BY-NC), uploaded by Mickey Long
  • 66. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
  • 67. (c) Paul Meredith, some rights reserved (CC BY-NC), uploaded by Paul Meredith
  • 68. (c) jgibbs, some rights reserved (CC BY-NC), uploaded by jgibbs
  • 69. (c) John Baker, some rights reserved (CC BY)
  • 70. (c) Jesse Christopherson, some rights reserved (CC BY-NC-SA)
  • 71. (c) USGS Native Bee Inventory and Monitoring Laboratory, some rights reserved (CC BY)
  • 72. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
  • 73. (c) amoorehouse, all rights reserved, uploaded by amoorehouse
  • 74. (c) JerryFriedman, some rights reserved (CC BY-SA)
  • 75. (c) Mark Nofsinger, some rights reserved (CC BY-NC), uploaded by Mark Nofsinger
  • 76. (c) Steve Wells, some rights reserved (CC BY-NC), uploaded by Steve Wells
  • 77. (c) D. Sikes, some rights reserved (CC BY-SA)
  • 78. no rights reserved, uploaded by USGS Bee Inventory and Monitoring Lab
  • 79. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
  • 80. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
  • 81. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
  • 82. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff

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