Skip to main content
Click to open menu
Click to close menu
Begin main content
Group 22


Steward® EC insecticide delivers fast, broad-spectrum protection from costly pests like alfalfa weevil, adult corn rootworms and many Lepidopteran pests commonly resistant to other insecticides and traits. Through its proven class of chemistry, Steward EC insecticide works fast, targeting insects through ingestion as well as contact activity. It delivers rapid feeding cessation and up to three weeks of residual control, as demonstrated in trial results from multiple locations.

Quick Facts

  • Controls the Lepidoptera spectrum, including pyrethroid-resistant worms, plus some beetles and weevils.
  • Fast acting and long lasting with up to 14 days of residual control.
  • Rainfast within two hours.
  • Short preharvest interval of seven days.
  • Excellent fit in insect pest management (IPM) and insect resistance management (IRM) programs.
  • Minimal impact on parasitoid and predatory insects and doesn't flare mites.
  • Preharvest interval (PHI): 1-21 days, depending on the crop.

Active ingredient

  • Indoxacarb

Product Overview

Count on Steward EC insecticide to keep key insects from taking a bite out of your profits. With a novel mode of action that works quickly, Steward EC insecticide controls a broad spectrum of worms and insect pests through ingestion as well as contact activity. Labeled for tough pests like corn rootworm adults, cotton fleahoppers*, alfalfa weevils and tarnished plant bugs*, Steward EC insecticide offers effective and long-lasting crop protection with up to 14 days of residual control.

Steward EC insecticide has a minimal impact on many important beneficial parasitoid and predatory insects and mites, making it an excellent partner in IPM programs when used in accordance with label directions.

* Suppression only.


Note: Steward EC insecticide is not registered for use on soybeans in California. Always refer to the product label for an official listing of crop usage, restrictions and precautions.

* Suppression only.

** See official product label for application rates.


Full crop listing

  • Alfalfa
  • Lentils
  • Beans (lima, dry)
  • Beans (mung)
  • Peanuts
  • Popcorn
  • Soybeans
  • Lupin, Sweet
  • Tobacco
  • Guar
  • Lupin, Grain
  • Alfalfa Seed
  • Beans (dry)
  • Beans (broad)
  • Chickpeas
  • Cotton
  • Cowpeas
  • Field Corn
  • Garbanzo Beans
  • Lupin, White


  • Alaska
  • Alabama
  • Arkansas
  • Arizona
  • California
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Hawaii
  • Iowa
  • Idaho
  • Illinois
  • Indiana
  • Kansas
  • Kentucky
  • Louisiana
  • Massachusetts
  • Maryland
  • Maine
  • Michigan
  • Minnesota
  • Missouri
  • Mississippi
  • Montana
  • North Carolina
  • North Dakota
  • Nebraska
  • New Hampshire
  • New Jersey
  • New Mexico
  • Nevada
  • Ohio
  • Oklahoma
  • Oregon
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Utah
  • Virginia
  • Vermont
  • Washington
  • Wisconsin
  • West Virginia
  • Wyoming

Get in touch

Learn more about how to use our products and sign up to receive more information.