Armyworm

Updated Armyworm Information

Updated Armyworm Information

From Luis Espino, UCCE Rice Farming Systems Advisor

Here’s a link to this week’s update on the armyworm from in the Sacramento Valley.

Luis says we are likely at or near peak moth flight, and the number of moths trapped is on the rise throughout the region.

You can click on this link to find out more, including viewing photos and graphs.

More Armyworm Stories

Armyworm Numbers rising

Armyworm Numbers rising

From Luis Espino UCCE Rice Farming Systems Advisor

The number of moths trapped continues to increase. We are finding numerous medium sized worms, maybe second, third, and fourth instars in fields where moth counts are above 30 per night. Worms have moved from levees and borders to basins. This is the time to scout and look closely for defoliation in the upcoming two weeks.

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2019 Armyworm Trapping Update

2019 Armyworm Trapping Update

From Luis Espino UCCE Rice Farming Systems Advisor

The number of true armyworm moths has shot up quite a bit in several locations. True armyworm has been the problem species in the past. Western yellowstriped armyworm moths have been variable, increasing in some locations, decreasing in others, but in general, the numbers are much lower than at the beginning of the season.

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