Western Colorado Insects

Horticulture and Garden

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 Japanese Beetle Quick Facts Japanese Beetle Fact Sheet
Western States Japanese Beetle Meeting Topics of Discussion JB situation reports from CO, UT, MT, KS, OR, and CA Chemical and Biochemical Reports Mating Disruption	a 3 hour recording of the Western States Japanese Beetle Meeting on Jan. 21, 2009
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.	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.	Curly Top Research in the Tri River Area
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 Grapeleaf Skeletonizer	TRA Article on Western Grapeleaf Skeletonizer (shtml) TRA Article on Western Grapeleaf Skeletonizer (pdf)
European Paper Wasp	TRA European Paper Wasp (shtml) TRA European Paper Wasp (pdf)

This page was updated on March 3, 2016