Armyworm

Intrepid® 2F is registered!

Intrepid® 2F is registered!

The Department of Pesticide Regulation finalized the Intrepid® 2F registration earlier this month. The label must include ‘rice’ and ‘armyworm’ for legal usage, or you must have an approved supplemental label (from Corteva) in your possession. Usage was previously available as a Section 18 Emergency Exemption dating back to 2015. As in years past, Corteva will have product available for the use season. Please remember the registration is by the trade name Intrepid® 2F and not per active ingredient. 

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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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Armyworm Numbers Higher than Expected

Armyworm Numbers Higher than Expected

The University of California Cooperative Extension (UCCE) says the start to the armyworm monitoring season has revealed higher than normal numbers.

The UCCE says all 12 trap locations across the Sacramento Valley had higher moth catches compared to this time last year.

The table below shows trap locations, armyworm moth catches reported for the week of May 16 and yearly averages.

You can sign up for weekly armyworm updates by clicking here.

Armyworm Season is underway

Armyworm Season is underway

As we enter summer, armyworm monitoring and trapping efforts will intensify.

Moth numbers are starting to increase along the northern part of the valley, according to UC Rice Farming Systems Advisor and Butte County Director, Luis Espino.

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