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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.

Pseudogarypus bicornis 1
Common candy-striped spider 2
Enoplognatha ovata
Western Black Widow 3
Latrodectus hesperus
Northern Black Widow 4
Latrodectus variolus
White-spotted False Widow 5
Steatoda albomaculata
Rabbit Hutch Spider 6
Steatoda bipunctata
False Black Widow 7
Steatoda grossa
Triangulate Comb-foot 8
Steatoda triangulosa
Yellow Garden Spider 9
Argiope aurantia
Banded Garden Spider 10
Argiope trifasciata
Furrow Orbweaver 11
Larinioides cornutus
Ornamental Orbweaver 12
Larinioides patagiatus
Northern Orbweaver 13
Aculepeira packardi
Conical Trashline Orbweaver 14
Cyclosa conica
Humped Trashline Orbweaver 15
Cyclosa turbinata
Humpbacked Orbweaver 16
Eustala anastera
Gem-shaped Orbweaver 17
Araneus gemma
Cat-faced Orb-Weaver 18
Araneus gemmoides
Shamrock Orbweaver 19
Araneus trifolium
Six-spotted Orbweaver 20
Araniella displicata
Arabesque Orbweaver 21
Neoscona arabesca
Spotted Orbweaver 15
Neoscona crucifera
Western Spotted Orbweaver 15
Neoscona oaxacensis
Common Stretch Spider 22
Tetragnatha extensa
Silver Longjawed Orbweaver 23
Tetragnatha laboriosa
Longjawed Orbweaver 24
Tetragnatha versicolor
Orchard Orbweaver 25
Leucauge venusta
Bowl-and-doily Spider 26
Frontinella pyramitela
Pityohyphantes cristatus 27
Filmy Dome Spider 2
Neriene radiata
Thick-headed Dwarf Weaver 28
Ceraticelus crassiceps
Barn Funnel Weaver 29
Tegenaria domestica
Pennsylvania Grass Spider 30
Agelenopsis pennsylvanica
Hobo Spider 31
Eratigena agrestis
Carolina Wolf Spider 32
Hogna carolinensis
Hogna coloradensis 33
Rustic Wolf Spider 34
Trochosa ruricola
Drumming Sword Wolf Spider 26
Gladicosa gulosa
Tigrosa grandis 35
Wetland Giant Wolf Spider 12
Tigrosa helluo
Missouri Burrowing Wolf Spider 36
Geolycosa missouriensis
Schizocosa mccooki 37
Pardosa concinna 38
Mackenzie's Thin-legged Wolf Spider 39
Pardosa mackenziana
Pardosa sternalis 40
Pardosa uintana 28
Striped Fishing Spider 41
Dolomedes scriptus
Six-spotted Fishing Spider 42
Dolomedes triton
Striped Lynx Spider 43
Oxyopes salticus
Western Lynx Spider 44
Oxyopes scalaris
Dictyna calcarata 45
Dictyna coloradensis 46
Mallos niveus 47
Greater Ant-mimic Corinne Spider 48
Phrurotimpus borealis
Castianeira alteranda 49
Red-spotted Ant-mimic Sac Spider 50
Castianeira descripta
Long-palped Ant-mimic Sac Spider 51
Castianeira longipalpa
Yellow Sac Spider 52
Cheiracanthium mildei
Drassyllus dromeus 53
Zelotes fratris 54
Zelotes lasalanus 55
Glossy Ant-spider 56
Micaria pulicaria
Neglected Ground Hunter Spider 38
Drassodes neglectus
Common Patterned Ant-mimic Ground Spider 57
Sergiolus montanus
Sergiolus tennesseensis 58
Eastern Parson Spider 59
Herpyllus ecclesiasticus
Western Parson Spider 60
Herpyllus propinquus
Orodrassus coloradensis 61
Multicolored Bark Crab Spider 62
Bassaniana versicolor
Goldenrod Crab Spider 63
Misumena vatia
Tan crab spider 64
Xysticus ferox
Three-banded Crab Spider 65
Xysticus triguttatus
Thanatus altimontis 66
Thanatus coloradensis 67
Oblong Running Spider 68
Tibellus oblongus
Eurasian Running Crab Spider 69
Philodromus dispar
Philodromus histrio 49
Philodromus cespitum 70
Philodromus rodecki 71
Red Running Crab Spider 52
Philodromus rufus
Attractive Running Crab Spider 49
Rhysodromus histrio
California Flattened Jumping Spider 53
Platycryptus californicus
Sassacus papenhoei 72
Buttonhook Leaf-beetle Jumping Spider 73
Sassacus vitis
Bronze Jumping Spider 74
Eris militaris
Coppered White-cheeked Jumping Spider 75
Pelegrina aeneola
Grassland White-cheeked Jumping Spider 49
Pelegrina arizonensis
Pelegrina furcata 76
Peppered Jumper 77
Pelegrina galathea
Metaphidippus siticulosus 78
Phanias monticola 79
Carolina Jumping Spider 45
Phidippus carolinensis
Phidippus asotus 80
Phidippus adumbratus 81
Phidippus insignarius 82
Tyrell's Tufted Jumping Spider 83
Phidippus tyrrelli
Phidippus octopunctatus 84
Phidippus pius 85
Cardinal Jumping Spider 86
Phidippus cardinalis
Brilliant Jumping Spider 87
Phidippus clarus

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

Photo Credits

  • 1. (c) William Samojeden, some rights reserved (CC BY-NC), uploaded by William Samojeden
  • 2. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
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  • 53. (c) Thomas Barbin, some rights reserved (CC BY-NC), uploaded by Thomas Barbin
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  • 60. (c) Daniel, some rights reserved (CC BY), uploaded by Daniel
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  • 82. (c) Buddy, some rights reserved (CC BY-NC), uploaded by Buddy
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