Publications
Displaying 1 - 13 of 13
Cypress bark beetles (Phloeosinus cristatus (LeConte)) are native insects that occur throughout Arizona. They are common in the Verde Valley, Prescott, Payson, and Kingman areas.
Revised 12/2011. Originally published: 2003.
Pine bark beetles in Arizona are generally of the genus Ips or Dendroctonus. Fading foliage in the tree is often the first sign of a beetle attack. Prevention is best practiced since control is not possible once the beetles have successfully colonized the tree.
Revised 10/2014. Originally Published 2002.
Piñon ips is a native bark beetle that utilizes piñon pine inner bark and outer sapwood for food and to rear offspring, spending most of their lives underneath the bark of the tree. When a new generation of adults emerge from an infested tree they may re-infest the same tree or fly short distances.
Revised 3/2013. Originally published: 2006.
Bark Beetles are tiny naturally occurring insects that contribute to the death of thousands of trees in the Southwest each year. Most species of conifers are utilized by bark beetles. Even freshly cut logs are an ideal host for many bark beetles.
Revised 9/2011. Originally published: 2005.
Often property owners or land managers have several trees of significant value to the landscape. These trees may be prized for their size and/or aesthetic value. With the recent extreme drought conditions, the bark beetle has become a formidable pest.
Revised 8/2011. Originally published: 2006.
Due to high fire hazard and perceived reductions in forest health, thinning of small diameter trees has become a prevalent management activity particularly in dense stands.
Reviewed 10/2014. Originally published 05/2008.
Recent events in the forests of the Southwest, and across western North America, have prompted scientists to consider the role of climate variability in insect and disease cycles.
Blister beetles belong to a family of beetles called Meloidae. This family contains approximately 300 species distributed across the continental United States, including 150 in Arizona. Blister beetles have a peculiar life cycle.
Pine engraver beetle refers to 11 species of insects (in the Ips genus) living in the inner bark of Arizona’s conifers that can cause rapid decline and tree death.
Bark beetles are commonly recognized as important tree mortality agents in western coniferous forests. Tactics for managing bark beetle infestations
Reviewed 10/2014. Originally published 2009.
Past land management practices have often resulted in ponderosa pine stands that are overly dense and prone to catastrophic wildfire or bark
Revised 10/2014. Originally Published 2006.
This publication describes the common insects found in Arizona lettuce through the use of pictures.
The pruning principles discussed in this publication have proven to provide the best possible out comes including tree longevity and safety. Although trees may live for years following improper pruning their life span and safety may be severely reduced.