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

grass sawfly

Guess the Pest! Week #6 Answer: True Armyworm

May 11, 2018Emmalea Garver Ernest

Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu Congratulations to John Swaine, III for correctly identifying the moths as true armyworms and for being selected to be entered into the end of season raffle for $100 not once but… Continue Reading →

Agronomic Crops 26:7, grass sawfly, small grain, small grain insects, true armyworm, wheat

Agronomic Insect Update – May 4, 2018

May 4, 2018Emmalea Garver Ernest

David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Continue scouting alfalfa for alfalfa weevil damage. With the warm weather we have been having, they are active state-wide. When sampling, collect 30 stems (stems should be taken from several locations in the field),… Continue Reading →

Agronomic Crops 26:6, agronomic crop insect scouting, alfalfa weevil, grass sawfly, stinkbug, true armyworm

Small Grain Insects: Sawflies, and Armyworms, and Aphids, Oh, My….

May 12, 2017cmanneri

Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu Sawflies and True Armyworms Sample small grain fields for grass sawflies and true armyworms. A sweep net can be a quick and effective way to initially detect grass sawflies. Once you… Continue Reading →

Agronomic Crops 25:7, aphids on grain, grass sawfly, small grain, true armyworm

Agronomic Crop Insects – April 22, 2011

April 22, 2011cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to scout fields for both alfalfa weevil and pea aphids. Economic levels of both can be found in alfalfa fields at this time. As a general guideline, you should consider a treatment… Continue Reading →

Uncategorized 19:5, agronomic crop insect scouting, grass sawfly, slugs, true armyworm

Agronomic Crop Insects – April 30, 2010

April 29, 2010cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa If economic levels of alfalfa weevil were present before harvest and you decide to cut instead of spray, be sure to check fields within one week of cutting for damage to the regrowth.… Continue Reading →

Uncategorized 18:7, cereal leaf beetle, grass sawfly, true armyworm

Post navigation

← Older Articles

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
© 2023 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