Armyworm

Small Rise in Armyworm Detections

Small Rise in Armyworm Detections

Here’s the latest armyworm monitoring update from UCCE Rice Farming Systems Advisor Luis Espino:

Week of August 3

The number of moths has increased slightly in most locations. It seems the upward trend is starting and numbers should continue to go up in the coming days. I have found very few worms in the field and have seen very little injury. 

Western yellowstriped armyworm news:

I was notified of an outbreak of western yellowstriped armyworms in alfalfa in northern Glenn County. Looks like worms were moving out of a recently cut alfalfa field. I have not seen these worms feeding on rice in the past five years. For more information, visit the armyworm monitoring website.

More Armyworm Stories

Highest Armyworm Numbers Expected Soon and Inspection Tips

Highest Armyworm Numbers Expected Soon and Inspection Tips

The University of California Cooperative Extension (UCCE) says the next several days will be critical for growers to monitor their fields, and potentially make any necessary treatment decisions, as armyworm numbers will be at their highest very soon.

As expected, moth numbers peaked last week. Utilizing annual trend data and on-site monitoring, the UCCE says worms in the field will peak this week and next.

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