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This page was updated on April 11, 2008

Ash Borer

Ash borers are serious pests of ornamental ash trees, especially in western Colorado's urban settings. This publication is an overview of its biology and management.
Utah State Fact Sheet 36 pdf
Japanese Beetle

These beautifully metallic colored insects are bad news. Both larvae and adults cause a lot of damage. After recently discovering Japanese beetle in the town of Palisade, CO a plan was devised to eradicate and control the destructive pest.
Japanese Beetle Eradication Program in Palisade (link) Japanese Beetle
Peach Tree (AKA Crown) Borer

Peach tree borers attack peach, plum and apricot trees wherever they grow in western Colorado. The CSU fact sheet details biology and management.
CSU 5.566 html

TRA Article on Peachtree Borer (pdf)
Tomato Curly Top Virus

This virus is transmitted to tomatoes by the beet leafhopper. View the article to see photos of this pest insect and symptoms of tomato curly top virus.
TRA Article on Tomato Curly Top Virus (html)

TRA Article on Tomato Curly Top Virus (pdf)
Adult Leafhopper
Western Cherry Fruit Fly

These little pests moved into the valley not too long ago. They love all types of cherries and if monitoring and control are not initiated early they will get to the cherries before you do.
TRA Fact Sheet on Western Cherry Fruit Fly (pdf) Western Cherry Fruit Fly
Western Grapeleaf Skeletonizer

TRA Article on Western Grapeleaf Skeletonizer (html)

TRA Article on Western Grapeleaf Skeletonizer (pdf)
Grapeleaf Skeletonizer Larvae
European Paper Wasp

TRA European Paper Wasp (html)

TRA European Paper Wasp (pdf)

European Paper Wasp Nest