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.”
255 articles tagged "Insects".
Armyworm Pheromone Trap Report – 2021
2021 Black Cutworm Pheromone Trap Report Form
2021 Black Cutworm Pheromone Trap Report Form
Armyworm Pheromone Trap Report – 2021

Black cutworm trap cooperators have detected that moths are beginning their traverse to Indiana this past week.
2021 Black Cutworm Pheromone Trap Report Form
Armyworm Pheromone Trap Report – 2021

This is a wonderful time of the year in the Hoosier state, as we drive through the countryside, we are greeted with the pleasing sight of several colorful butterfly species gliding across and roads, near puddles of water, or on fall flowering plants. Many of these beauties originated from larvae that likely fed on soybean or alfalfa. However, it is rare for any of these species to cause significant yield losses from defoliation. Below is a listing, with pictures, of some of the common butterflies and their caterpillars this time of year. Although you will find some of these feeding in crops, none are pests.
The following video addresses bean leaf beetle identification, biology, and late-season damage to soybean while keeping the marketable portion of the crop foremost in mind.

