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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.

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

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

Photo Credits

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