Forage
All Forage Content
Cowpea Aphid Populations Taking off in Alfalfa
In southeast South Dakota, we are observing large cowpea aphid populations in alfalfa. Large populations can reduce yields, and, if left unmanaged, these infestations even kill the plants.
Blister Beetles Are Active in South Dakota Alfalfa
Blister beetles have been spotted in several alfalfa fields in South Dakota, which means it’s time to start scouting to determine how many are present.
Alfalfa Weevil Activity Prediction Update: June 9, 2022
Alfalfa weevil larvae and some adults have been observed in alfalfa throughout the state this week, and fields should be scouted to ensure that populations don’t cause extensive defoliation.
Alfalfa Weevil Larvae Are Active in South Dakota
Alfalfa weevil larvae have been confirmed in alfalfa fields in South Dakota, which means it is time to start scouting fields more regularly. Learn some tips and consideration for scouting your fields.
Alfalfa Weevil Activity Prediction Update: May 26, 2022
Throughout the state, all alfalfa fields should be scouted weekly to ensure that large populations of alfalfa weevils do not cause excessive defoliation like what we observed in 2021.
Alfalfa Weevil Activity Prediction Update: May 18, 2022
At this point in the season, all alfalfa fields should be scouted weekly to ensure that large populations of alfalfa weevils do not cause excessive defoliation.
Alfalfa Weevil Activity Prediction Update: May 12, 2022
The forecast for the next week will continue to be favorable for the development of alfalfa weevils. See our latest recommendations for staying ahead of them.
Alfalfa Weevil Activity Prediction Update: May 5, 2022
One of the insects we monitor for using degree day accumulation is the alfalfa weevil. With warmer temperatures in the upcoming forecast, the need to scout for alfalfa weevil activity will increase.
Pink Lady Beetles: Beneficial Predators in Urban and Agricultural Landscapes
There are numerous insect species that are beneficial to the gardens and farms. In this article, we will highlight a common insect predator known as the pink lady beetle, or spotted lady beetle.
Alfalfa Weevil Activity Prediction Update: April 28, 2022
Although spring temperatures have fluctuated, we have been accumulating degree days, which means some of insect pests will emerge soon. With warmer temperatures in the upcoming forecast, the need to scout for alfalfa weevil activity will increase.