Armyworm

Armyworm Peak Tracking as Expected

Armyworm Peak Tracking as Expected

The University of California Cooperative Extension (UCCE) expects peak moth numbers by the end of June, with armyworm numbers peaking two weeks later.

The UCCE says their continued monitoring has revealed some small worms already in the field, mainly near borders and levees. They note that these worms eat very little and cause minimal defoliation.

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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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