University of Delaware
Weekly Crop Update
  • UD Cooperative Extension Home
Weekly Crop Update
from UD Cooperative Extension
Menu Close
  • Current Issue
  • About WCU
  • Issue & Weather Archive
  • Subscribe

greenbug aphid

Small Grain Insect Scouting

November 13, 2020Emmalea Garver Ernest

David Owens, Extension Entomologist, owensd@udel.edu Be sure to scout for aphids in small grains. Warm weather in October and November will favor higher than usual aphid populations. Examine 10-20 sites per field, and at each site, 1-5 row ft. Fall… Continue Reading →

Agronomic Crops aphids, barley yellow dwarf virus, greenbug aphid, NOV2020, small grain, small grain insects

Guess the Pest! Week 1 Answers: Small Human, Greenbug Aphids

April 10, 2020Emmalea Garver Ernest

David Owens, Extension Entomologist, owensd@udel.edu Congratulations to John Hochmuth and Grier Stayton for correctly identifying the depression in barley as being caused by some sort of mammal laying down. The clue is the small blue boot in the photo. If… Continue Reading →

Agronomic Crops, General 28:4, greenbug aphid, Guess the Pest!

Early Planting and Potential for Insect Problems in Small Grains

September 25, 2015Emmalea Garver Ernest

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu In recent years, there has been a trend in some areas of the state towards early wheat planting. Unfortunately, early planting can result in a number of insect problems including aphids, which vector barley… Continue Reading →

Agronomic Crops barley, barley yellow dwarf virus, greenbug aphid, Hessian fly, small grain, wheat

Insects to Watch for As Small Grains are Planted

September 18, 2015Emmalea Garver Ernest

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu As you make plans to plant small grains, be sure to consider the following insects: Hessian Fly – As indicated in last week’s newsletter, you still need to consider this pest as you make… Continue Reading →

Agronomic Crops 23:26, aphids on grain, barley, barley yellow dwarf virus, greenbug aphid, Hessian fly, wheat

Agronomic Crop Insects

September 18, 2009cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Soybeans At this point, the decision to treat for corn earworms should have been made by now. If you have not scouted, be sure to check the latest planted fields. We are seeing a… Continue Reading →

Uncategorized 17:27, agronomic crop insect scouting, barley yellow dwarf virus, greenbug aphid

Additional Resources

  • Cooperative Extension Home
  • Commercial Vegetable Production Recommendations
  • Insect Sampling and Action Thresholds
  • Insect Trapping Programs
  • Integrated Weed Management
  • Extension Vegetable & Fruit Program
  • UD Extension Factsheets
  • DEOS Weather Station Data
  • NEWA Weather & Models

Join us on social media!

 

 

Admin

  • Log in
  • Entries RSS
  • Comments RSS
  • WordPress at UD
© 2025 Weekly Crop Update. All rights reserved.
Fashionista by aThemes
UD
  • Go to the UD twitter page (external link)>
  • Go to the UD facebook page (external link)>
  • Go to the UD instagram page (external link)>
  • Go to the UD youtube page (external link)>
  • Go to the UD pintrest page (external link)>
  • Go to the UD linkedin page (external link)>
  • ©   University of Delaware
  • Comments
  • Legal Notices
  • Accessibility Notice