In July 2017, Willamette Valley grass seed loads were contaminated with a mix of many different species of caterpillars.

The summer of 2017 is proving to be quite the year for crop pest activity. A regional monitoring program called VegNet produces weekly activity reports for 10+ species that occur in this region.

Many of the pests monitored are moths. Adult moths lay eggs on host plants, eggs develop into caterpillars, and caterpillars damage crops.

Last month, there were widespread reports of cutworm and armyworms showing up in grass seed hopper bins and detected only as loads were being delivered. More info on that here.

A few of the common cutworms and armyworms we see in Willamette Valley field crops and vegetables.

 

 

 

 

 

 

 

 

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