Alfalfa Insect Pests

alfalfa weevil on plant bud

The following Nebraska Extension resources offer photos, identification guides, and insecticides for insects commonly found in alfalfa:

  • Alfalfa Insects I — Photos and identification information for insect pests of alfalfa in Nebraska, including alfalfa weevil; clover leaf weevil; blister beetles; army, variegated and dingy cutworms, alfalfa caterpillar, and the green cloverworm.
  • Alfalfa Insects II — Photos and identification information for insect pests of alfalfa in Nebraska, including the pea, spotted alfalfa, cowpea, and blue alfalfa aphids; potato leafhopper; and plant bug.
  • Insecticides for Field Crops — including current alfalfa pest management information from UNL Extension. (The guide is excerpted from Nebraska Extension's Guide for Weed, Disease and Insect Management in Nebraska.)
  • Insect Almanac — a website of the UNL Department of Entomology.
  • CropWatch News — Search for tmely articles on identifying and treating alfalfa insects.

Contact:

Justin MeMechan

Crop Protection and Cropping Systems Specialist

(402) 624-8041
justin.mcmechan@unl.edu
Faculty Bio

Articles
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Contact:

Julie Peterson

Entomology Extension Specialist

(308) 696-6704
julie.peterson@unl.edu
Faculty Bio

Articles
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Contact:

Jeff Bradshaw

Director of the Doctor of Plant Health Professional Program

(308) 632-1230
jbradshaw2@unl.edu
Faculty Bio

Articles
Jeff Bradshaw mugshot

Contact:

Pin-Chu Lai

Extension Entomologist

(308) 632-1369
plai3@unl.edu
Faculty Bio

Articles
Pin-Chu Lai mugshot