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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.

Graphocephala hieroglyphica 1
Cuerna alpina 2
Putnam's Cicada 3
Platypedia putnami
Meadow Spittlebug 4
Philaenus spumarius
Potato Psyllid 5
Bactericera cockerelli
Cochineal Bug 6
Dactylopius coccus
Oleander Aphid 7
Aphis nerii
Rose Aphid 8
Macrosiphum rosae
Big-eyed Toad Bug 9
Gelastocoris oculatus
Notonecta 10
Spined Assassin Bug 11
Sinea diadema
Pale Green Assassin Bug 12
Zelus luridus
Wheel Bug 13
Arilus cristatus
Rhynocoris ventralis 14
Bee Assassin 15
Apiomerus spissipes
Masked Hunter 16
Reduvius personatus
Red-spotted Aster Mirid 17
Polymerus basalis
Tarnished Plant Bug 18
Lygus lineolaris
Common Bed Bug 19
Cimex lectularius
Common Water Strider 20
Aquarius remigis
Sphragisticus nebulosus 21
Charcoal Seed Bug 18
Melacoryphus lateralis
Large Milkweed Bug 18
Oncopeltus fasciatus
False Milkweed Bug 22
Lygaeus turcicus
Small Milkweed Bug 23
Lygaeus kalmii
Blue Shieldbug 24
Zicrona caerulea
Two-spotted Stink Bug 25
Perillus bioculatus
Perillus exaptus 26
Holcostethus limbolarius 27
Brown Stink Bug 17
Euschistus servus
Twice-Stabbed Stink Bug 28
Cosmopepla lintneriana
Brown Marmorated Stink Bug 29
Halyomorpha halys
Harlequin Bug 30
Murgantia histrionica
Green Stink Bug 11
Chinavia hilaris
Say's Stink Bug 31
Chlorochroa sayi
Western Leaf-footed Bug 32
Leptoglossus clypealis
Western Conifer Seed Bug 33
Leptoglossus occidentalis
Cactus Coreid 18
Chelinidea vittiger
Squash Bug 34
Anasa tristis
Harmostes reflexulus 35
Hyaline Grass Bug 36
Liorhyssus hyalinus
Red-shouldered Bug 37
Jadera haematoloma
Western Boxelder Bug 38
Boisea rubrolineata
Eastern Boxelder Bug 39
Boisea trivittata
Lupine Bug 40
Megalotomus quinquespinosus

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

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  • 1. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
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  • 39. (c) klips, some rights reserved (CC BY-NC)
  • 40. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher

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