The state of Wyoming has mostly been troubled by the mountain pine beetle that has damaged several pine trees over the years. In fact their infestation has affected more than 3.3 million acres of forest lands as per the 2011 aerial surveys. There are also blister beetles here, not in large numbers thought, the black and spotted blister beetles being the common ones.

Biggest Beetles: Cottonwood Borer Beetle, Asian Long-horned Beetle

Smallest Beetles: Varied Carpet Beetle, Black Carpet Beetle, Black Blister Beetle

Darkling Beetles

• Blue Death Feigning Beetle (Asbolus verrucosus)

Longhorn Beetles

• Cottonwood Borer Beetle (Plectrodera scalator)
• Asian Long-horned Beetle (Anoplophora glabripennis)

True Weevils

• Mountain Pine Beetle (Dendroctonus ponderosae)
• Spruce Beetle (Dendroctonus rufipennis)
• Douglas-fir Beetle (Dendroctonus pseudotsugae)
• Western Balsam Bark Beetle (Dryocoetes confusus)

Skin Beetles

• Black Carpet Beetle (Attagenus unicolor)
• Varied Carpet Beetle (Anthrenus verbasci)

Blister Beetles

• Black Blister Beetle (Epicauta pennsylvania)
• Spotted Blister Beetle (Ceroctis capensis)