Insect Management

Mosquito on skin
Figure 1. Manage mosquitoes to protect your health.

Manage Standing Water to Reduce Mosquito Disease Threat June 23, 2017

Managing the potential for mosquito breeding and populations on your farm can help protect you and your family from a number of diseases, including West Nile Virus. An entomologist offers information on mosquitoes and recommendations for reducing your risk.

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Insects Causing Problems for Alfalfa June 22, 2017

If you’re seeing slow regrowth or weak alfalfa seedlings, it's time to get in the field and scout for the cause, most likely insects at this time of year. Nebraska growers have been reporting all kinds of insects causing problems.

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Corn damaged by wheat stem maggot

Suspected Wheat Stem Maggot Damage in Corn following Cover Crops June 13, 2017

Ag professionals across central and eastern Nebraska are reporting insect damage to corn following rye and wheat cover crops, likely from the wheat stem maggot. A recent field survey found stand losses in fields ranged from 2%-30% on a whole-field basis.

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Insect light trap

Light Trap Data Provided for 3 Sites June 12, 2017

UNL Extension Entomology is monitoring crop insect pests (primarily moths) using black light traps at the Haskell Ag Laboratory near Concord, the South Central Ag Laboratory near Clay Center, and the West Central Research and Extension Center near North Platte.

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alfalfa weevils

Scouting Advised for Alfalfa and Clover Leaf Weevils April 20, 2017

Alfalfa weevils have been reported damaging alfalfa in north central Kansas and western Nebraska. As temperatures warm up, expect to see alfalfa weevil larvae in southern Nebraska and slightly later, in northern Nebraska. Even with the pressure of planting row crops, it is essential that producers growing high quality alfalfa hay make time to monitor fields for weevils now and over the next few weeks. See the article for a table of treatment thresholds for various alfalfa prices.

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NDA Regulatory, Inspection Efforts to Track Japanese Beetle April 14, 2017

Each year, the Nebraska Department of Agriculture surveys for Japanese beetle, a highly destructive insect of trees and shrubs as well as corn and soybeans. Learn more about why Nebraska falls into a Category 2 classification for being a partially infested state and what that means for plant inspections and sales.

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Nebraska map of Japanese beetle distribution

Japanese Beetles Migrating West April 13, 2017

A newly released map of confirmed Japanese beetle populations in Nebraska shows their westward movement from where they were first identified near Lincoln and Omaha several years ago. 

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Emerging New Technologies for Insect Pest Management March 31, 2017

Ravdeep Mutti, with the Du-Pont Pioneer Research and Development Center in Johnston, Iowa, will present the seminar, “Emerging New Technologies for Insect Pest Management” on Tuesday, April 4, at 4 p.m. in the Nebraska East Union. Refreshments will be served.

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