Overview
The Mountain Pine Beetle is one of the most destructive forest pests in Colorado, responsible for the death of millions of pine trees. These small beetles bore through bark and lay eggs in the cambium layer, disrupting the tree's ability to transport water and nutrients.
Signs of Infestation
- Pitch tubes (popcorn-like masses) on bark surface
- Reddish-brown boring dust in bark crevices and at tree base
- Needles turning red or yellow (often one year after attack)
- Increased woodpecker activity creating small holes in bark
- Galleries visible under bark when removed
Lifecycle
Mountain Pine Beetles complete one generation per year in Colorado's mountains. Adults emerge in July and August, attacking new trees where they lay eggs. Larvae develop under the bark through fall and winter, then pupate in spring.
Treatment & Prevention
Preventative Treatments
- Systemic insecticides applied to healthy, high-value trees
- Proper tree spacing to reduce stress
- Regular watering during drought conditions
- Removal of infested trees to reduce beetle populations
Management of Infested Trees
Once a tree is heavily infested, it cannot be saved. Prompt removal is recommended to prevent beetles from spreading to nearby healthy trees. Our team can assess your property and develop a comprehensive beetle management plan.
Why Choose Earth-Wise?
Earth-Wise has been protecting Colorado's pine forests since 1994. Our certified arborists understand Mountain Pine Beetle behavior and can implement proven prevention strategies to protect your valuable trees.