Field crop insect update for June 21, 2012

Aphid levels are low, early emerging western bean cutworm moths were captured this week and armyworms continue to be a problem in some areas.

We found aphids in soybeans at all locations we’ve visited, but at very low levels.

A few early emerging western bean cutworm moths were captured this week in the MSU Western Bean Cutworm Trap Network, but the main flight isn’t due for several more weeks.

Armyworms continue to be a problem in some areas, but the spray window for wheat has closed. Plants are drying down, and we are within the preharvest interval of most insecticides. There may be some second generation armyworm in corn later this month.

Questions or samples for Chris? She’ll be at the MSU Weed Tour on June 27.

Dr. DiFonzo’s work is funded in part by MSU‘s AgBioResearch.

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