Palmer amaranth (careless weed or pigweed) is a plant native to the desert southwest that has developed resistance to multiple herbicide mechanisms of action (MOAs). In multiple crops, in all major Arizona agricultural areas, Palmer amaranth resistant to glyphosate and ALS inhibitors (e.g., Staple®) can be found. A diversity of control tactics are needed to manage herbicide resistant Palmer amaranth.

The Pecan Bud Moth, a species of leaf roller moth, has recently been observed in southeastern Arizona pecan orchards. This is the first time growers have reported this pest and expressed concerns about potential impacts to the crop. This rapid communication is designed to provide what we know about this potential pest. Growers are encouraged to review this information with their pest control advisor to determine what action, if any, is required. 

A mirid plant bug has been observed in high numbers on the catkins of some central Arizona pecan orchards. Multiple growers report this for the first time and have expressed concerns about potential impacts to the crop. This rapid communication is designed to provide the limited knowledge we have about this potential pest. Growers are encouraged to review this information with their pest control advisor to determine what action, if any, is required. 

This publication is the Spanish-language translation of the IPM Short, Protecting your Flocks from External Parasites - Mites and Lice.

Cicada killer wasps, known for capturing cicadas to feed their young, pose no threat to humans, but can sometimes be confused with the Asian giant hornet that has become an invasive species found in North America including Washington State and British Columbia.