This Week on N Field: Insect Survival After Polar Vortex
February 1, 2024
What impact did the polar vortex have on those troublesome agricultural insects that are taking a winter nap? Nebraska Extension Educator Amy Timmerman weighs in.
Pasture and Forage Minute: Winter Insect Mortality and Livestock Water Needs
January 16, 2024
Extension educators review the effects of subzero temperatures on overwintering insects and whether snow can adequately be used as a water source for cattle.
Research Boosts Honey Bee Protection Against Deadly Viruses
August 25, 2023
The research team, which includes Husker entomologist Troy Anderson, has identified a drug treatment that stimulates and dramatically strengthens honey bees’ immune systems.
Soybean Aphid Scouting and Management
August 2, 2023
Soybean aphids in Nebraska typically reach the economic threshold and require treatment in late July through August. Treatment during this time is usually enough to keep aphid populations from resurging before they leave fields for the season.
Watch for Aphids in Corn
July 27, 2023
Aphids cause the greatest amount of injury while they are feeding within the whorl prior to tassel emergence. Treatment may be needed if pollination is no more than half complete and more than half of the corn tassels are covered with aphids.
Spring Miller Moth Invasion
May 23, 2023
While they don't cause damage to plants when feeding, migrating army cutworm moths can be an irksome household pest. Fortunately, there are simple management methods to prevent them from entering homes and other structures.
What is This Insect?
April 14, 2021
A very common sight in Nebraska, aphid mummies are a small but important insect for local crops. Find out what they are and why they matter.
Blister Beetle in Alfalfa
July 20, 2020
Last year in another state, 14 horses died and another 100 were sickened from hay that contained blister beetles. Usually Blister beetles are not a problem, but growers should be aware of the insect and what to scout for in their fields.