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Welcome to the Colorado State University Extension Western Colorado Entomology web site. This site was created and is maintained by Tri River Area Extension Entomology & Agronomy, and is dedicated to presenting factual information on the insects and insect related issues affecting western Colorado.

Native Insects, Hemiptera-True Bugs   arrow

Hemiptera-True Bugs

Coccoidea

Matsucoccus acalyptus (Herbert)

Pinyon Needle Scale
Colorado Insects of Interest Fact Sheet (pdf)
Pinyon Scale

Photo by Whitney Cranshaw.

Diaspididae

Diaspidiotus gigas (Thiem & Gerneck)

Poplar Scale (Aspen Scale, Willow Scale)
Colorado Insects of Interest Fact Sheet (pdf)
Poplar Scale on Aspen Tree

Photo by Bob Hammon.

Pentatomidae

Brochymena spp.

Rough Stink Bug
Colorado Insects of Interest Fact Sheet (pdf)
Rough Stink Bug

Photo by Whitney Cranshaw

Pentatomidae

Murgantia histrionica (Hahn)

Harlequin Bug
Colorado Insects of Interest Fact Sheet (pdf)
Harlequin Bug

Photo by Whitney Cranshaw.

Reduviidae

Phymata americana Melin

Ambush Bug
Colorado Insects of Interest Fact Sheet (pdf)
Ambush Bug

Photograph courtsey of Whitney Cranshaw

Reduviidae

Reduvius personatus (L.)

Masked Hunter
Colorado Insects of Interest Fact Sheet (pdf)
Masked Hunter

Photo by Whitney Cranshaw.

Reduviidae

Zelus luridus Stal

Assassin Bug
Colorado Insects of Interest Fact Sheet (pdf)
Assassin Bug

Photo by Whitney Cranshaw.

Rhopalidae

Boisea trivittata

Box Elder Bug
Box Elder Bug exhibiting carniverous behavior.Box Elder Bug
Rhopalidae

Jadera haematoloma (Herrich-Shaeffer)

Goldenrain Tree Bug
(Redshouldered Bug)
Colorado Insects of Interest Fact Sheet (pdf)
Goldenrain Tree Bug

Photograph courtsey of Whitney Cranshaw