Armyworm

Armyworm numbers continue to drop

Armyworm numbers continue to drop

In his last update of the season, UCCE Rice Advisor Luis Espino reports a continual drop in the number of armyworm moths found in rice field traps. Rice field maturity has reached a stage when the potential for armyworms to injure panicles has passed.  According to Espino, “There are still a few worms in the field, but these are the last of the population and will not cause problems. I expect the numbers will continue to go down.”

Here’s a link to the full update.

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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