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Mark Lewis

Spruce Budworm

SPRUCE BUDWORMS The Spruce Budworm is a destructive forest defoliator in western North America.   Several outbreaks have occurred here in Colorado where they most commonly… Read More »Spruce Budworm

Spruce Beetle

Bill Ciesla Colorado State University Extension Master Gardener in Larimer County April 21, 2012 Almost everyone living in Colorado is aware of the massive outbreaks… Read More »Spruce Beetle

Spruce Beetle

Spruce Beetle Threatens High Country Spruce Forests Bill Ciesla Colorado State University Extension Master Gardener in Larimer County April 21, 2012 Almost everyone living in… Read More »Spruce Beetle

Pinyon Ips

Ips Beetles by W. Cranshaw and D.A. Leatherman 1 Quick Facts… Ips is a common group of bark beetles that infests pine and spruce trees.… Read More »Pinyon Ips

Mistletoe

Mistletoes in Colorado Conifers by R.D. Koski, W.R. Jacobi and C.E. Swift 1 (4/09) Quick Facts… Mistletoes are parasitic flowering plants that can infect and… Read More »Mistletoe

Ips Beetle

Ips Beetles by W. Cranshaw and D.A. Leatherman 1 Quick Facts… Ips is a common group of bark beetles that infests pine and spruce trees.… Read More »Ips Beetle

Weed Control

 Noxious Weeds Of the 3,000 native species of plants in Colorado, 500 or 17% have already been displaced by noxious weeds. Noxious weeds, what are… Read More »Weed Control