Armyworm

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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After slow start, Armyworm numbers are on the rise

After slow start, Armyworm numbers are on the rise

By Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties

The number of moths trapped went down due to the cold weather. But numbers are coming back up again, mostly due to increases of western yellowstriped armyworm. We are starting the season with much higher number of moths than in previous years. Keep a close eye on early planted rice that is out of the water or if you are draining for stand establishment.

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2019 Armyworm Trapping

2019 Armyworm Trapping

Article by Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties

The first set of traps were set up on April 19, and more traps are being set up as fields get ready for planting. So far, seven sites have been set up.

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Armyworm Monitoring is underway

Armyworm Monitoring is underway

Photo and article by Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties

The armyworm monitoring season has started. The first traps were set on April 19, and two more sites were set up on April 30. More traps will be set up in the following weeks as growers finish their ground work and get ready for planting.

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