
Multiple samples of seedcorn maggot damaged soybean seedlings have been submitted to the Purdue Plant and Pest Diagnostic Lab.

Multiple samples of seedcorn maggot damaged soybean seedlings have been submitted to the Purdue Plant and Pest Diagnostic Lab.

It is still believed that black cutworm does not over-winter in the Corn Belt, but rather they are carried here on weather fronts and literally “rain” on Indiana.
Armyworm Pheromone Trap Report – 2021
2021 Black Cutworm Pheromone Trap Report Form

It seems that the freezing temperatures, and snow, of just over a week ago has spurred an increase in the black cutworm and armyworm moth activity, see the accompanying pheromone trap captures.
2021 Black Cutworm Pheromone Trap Report Form
Armyworm Pheromone Trap Report – 2021

Recent reports from pest managers in northern counties have indicated that weevil damage and larval numbers are very high, well in advanced for this date, see accompanying map below.
Sampling an alfalfa field to determine the extent of alfalfa weevil damage and average stage of weevil development is best accomplished by walking through the field in an “M-shaped pattern.”
Armyworm Pheromone Trap Report – 2021
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