STEWARD EC INSECTICIDE

FMC CORPORATION · Indoxacarb 15.84% · EPA Reg 279-9596 · INSECTICIDE Document last checked 2025-10-06

About this product

Active ingredient Indoxacarb 15.84%

Manufacturer FMC CORPORATION

Category INSECTICIDE

Full details for STEWARD EC INSECTICIDE

EPA registration data Reg. 279-9596 — registry reference, signal word and status.

Applicator discussion

Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.

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According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 279-9596 →

This product is an insecticide formulation. It is used to control various pests, including corn earworm, beet armyworm, fall armyworm, cabbage looper, soybean looper, tobacco budworm, and stink bugs. It is applied to crops such as peanut, soybean, sunflower, tobacco, and tuberous and corm vegetables.

Pests covered (51)

Corn EarwormBeet armywormFall armywormGranulate cutwormRednecked peanutworm (except California)Tobacco budwormCabbage looper*GrasshoppersGreen cloverwormSoybean looper*Yellowstriped armywormVelvetbean caterpillar**Bean leaf beetle**Brown stink bug**Green stink bug**Southern green stink bug**ArmywormsCabbage looperGreen stink bug*Tobacco hornwormTomato hornwormTobacco splitwormColorado potato beetle*European corn borer (except California)Potato tuberworm**SPIDERSBEAN LEAF BEETLECORN ROOTWORMSCORN ROOTWORMS (ADULT)COLORADO POTATO BEETLEPOTATO LEAFHOPPERJAPANESE BEETLE (ADULT)LYGUS BUGSTARNISHED PLANT BUGCOTTON FLEAHOPPERSTINK BUGSGREEN STINK BUGBROWN STINK BUGSOUTHERN GREEN STINK BUGEUROPEAN CORN BORERPOTATO TUBERWORMREDNECKED PEANUTWORMVELVETBEAN CATERPILLARCOTTON BOLLWORMWESTERN BEAN CUTWORMARMYWORMSOYBEAN LOOPERWESTERN YELLOWSTRIPED ARMYWORMALFALFA CATERPILLAREGYPTIAN ALFALFA WEEVIL (LARVAE)ALFALFA WEEVIL (LARVAE)

Areas treatable (75)

PeanutSoybean (Hulls and Seeds)Sunflower subgroup 20BTobaccoTuberous and Corm VegetablesGUAR (FOLIAR TREATMENT)SAFFLOWER (FOLIAR TREATMENT)URD BEANS (FOLIAR TREATMENT)BEANS (MOTH) (FOLIAR TREATMENT)CHICK PEAS (FOLIAR TREATMENT)BLACKEYED PEAS (FOLIAR TREATMENT)COWPEAS (FOLIAR TREATMENT)CROWDER PEAS (FOLIAR TREATMENT)SOUTHERN PEAS (FOLIAR TREATMENT)LENTILS (FOLIAR TREATMENT)MUNG BEANS (FOLIAR TREATMENT)SWEET POTATOES (FOLIAR TREATMENT)YAMS (TRUE) (FOLIAR TREATMENT)CORN (SEED CROP) (WATER TREATMENT)CORN (SEED CROP) (FOLIAR TREATMENT)CORN (SEED CROP FOLIAR TREATMENT)CORN (FIELD) (FOLIAR TREATMENT)CORN (FIELD) (WATER TREATMENT)LUPINE (SWEET) (FOLIAR TREATMENT)LUPINE (WHITE) (SWEET) (FOLIAR TREATMENT)LUPINE (WHITE) (FOLIAR TREATMENT)ADZUKI BEANS (FOLIAR TREATMENT)TEPARY BEANS (FOLIAR TREATMENT)BEANS (DRY) (FOLIAR TREATMENT)BEANS (KIDNEY) (FOLIAR TREATMENT)BEANS (NAVY) (FOLIAR TREATMENT)BEANS (PINTO) (FOLIAR TREATMENT)BEANS (LIMA) (FOLIAR TREATMENT)SUNFLOWER (FOLIAR TREATMENT)DASHEEN (FOLIAR TREATMENT)JERUSALEM ARTICHOKE (FOLIAR TREATMENT)POTATOES (FOLIAR TREATMENT)CORN (POP) (FOLIAR TREATMENT)CORN (POP) (WATER TREATMENT)COTTON (WATER TREATMENT)TOBACCO (FOLIAR TREATMENT)BROAD BEANS (FOLIAR TREATMENT)CHAYOTE (FOLIAR TREATMENT)CASSAVA (BITTER) (FOLIAR TREATMENT)CASSAVA (SWEET) (FOLIAR TREATMENT)ARRACACHA (FLOLIAR TREATMENT)LABLAB BEANS (FOLIAR TREATMENT)CATJANG (FOLIAR TREATMENT)LUPINE (GRAIN) (FOLIAR TREATMENT)GINGER (FOLIAR TREATMENT)EUPHORBIA (FOLIAR TREATMENT)EVENING PRIMROSE (FOLIAR TREATMENT)PEANUTS (FOLIAR TREATMENT)PEANUTS (WATER APPLICATION)BEANS (FIELD) (FOLIAR TREATMENT)SOYBEANS (FOLIAR TREATMENT)SOYBEANS (WATER TREATMENT)AERIAL APPLICATIONAERIAL APPLICATION (ROTARY AIRCRAFT)COTTON (FOLIAR TREATMENT)ALFALFA (FOLIAR TREATMENT)ALFALFA (WATER APPLICATION)ALFALFA (SEED CROP FOLIAR TREATMENT)TANK MIXCHINESE ARTICHOKE (FOLIAR TREATMENT)YAM BEAN (FOLIAR TREATMENT)ARROWROOT (FOLIAR TREATMENT)TANIERS (FOLIAR TREATMENT)JOJOBA (FOLIAR APPLICATION)RICE BEANS (FOLIAR TREATMENT)LEREN (FOLIAR TREATMENT)CHUFA (FOLIAR TREATMENT)CHINESE TALLOWTREE (FOLIAR TREATMENT)IRRIGATION SUPPLY SYSTEMS (WATER TREATMENT)CALENDULA (FOLIAR TREATMENT)

How to treat each type of area 31

Peanut

Target pest	Rate	Unit
Corn Earworm	0.065 - 0.11	lb ai
Beet armyworm	0.065 - 0.11	lb ai
Fall armyworm	0.065 - 0.11	lb ai
Granulate cutworm	0.065 - 0.11	lb ai
Rednecked peanutworm (except California)	0.065 - 0.11	lb ai
Tobacco budworm	0.065 - 0.11	lb ai

Soybean (Hulls and Seeds)

Target pest	Rate	Unit	Label notes
Beet armyworm	0.045 - 0.11	lb ai
Cabbage looper*	0.055 - 0.11	lb ai	* Use lower listed rate (4.6 fl oz/A) for low to moderate populations of cabbage and soybean loopers. Use higher listed rates (5.6 fl oz/A to 11.3 fl oz/A) for higher populations or when crop canopy is dense.
Corn earworm	0.055 - 0.11	lb ai
Fall armyworm	0.055 - 0.11	lb ai
Grasshoppers	0.055 - 0.11	lb ai
Green cloverworm	0.055 - 0.11	lb ai
Soybean looper*	0.055 - 0.11	lb ai	* Use lower listed rate (4.6 fl oz/A) for low to moderate populations of cabbage and soybean loopers. Use higher listed rates (5.6 fl oz/A to 11.3 fl oz/A) for higher populations or when crop canopy is dense.
Yellowstriped armyworm	0.055 - 0.11	lb ai
Velvetbean caterpillar**	0.055 - 0.11	lb ai	**Suppression only.
Tobacco budworm	0.09 - 0.11	lb ai
Bean leaf beetle**	0.09 - 0.11	lb ai	**Suppression only.
Brown stink bug**	0.09 - 0.11	lb ai	**Suppression only.
Green stink bug**	0.09 - 0.11	lb ai	**Suppression only.
Southern green stink bug**	0.09 - 0.11	lb ai	**Suppression only.

Sunflower subgroup 20B

Target pest	Rate	Unit	Label notes
Armyworms	0.09 - 0.11	lb ai
Cabbage looper	0.09 - 0.11	lb ai
Green stink bug*	0.09 - 0.11	lb ai	*Suppression only

Tobacco

Target pest	Rate	Unit	Label notes
Tobacco budworm	0.065 - 0.11	lb ai	Use intermediate to high listed rates within the listed rate range (9.2 to 11.3 fl oz/A) on heavier infestations or when later instar larvae are present.
Tobacco hornworm	0.065 - 0.11	lb ai	Use intermediate to high listed rates within the listed rate range (9.2 to 11.3 fl oz/A) on heavier infestations or when later instar larvae are present.
Tomato hornworm	0.065 - 0.11	lb ai	Use intermediate to high listed rates within the listed rate range (9.2 to 11.3 fl oz/A) on heavier infestations or when later instar larvae are present.
Tobacco splitworm	0.065 - 0.11	lb ai	Use intermediate to high listed rates within the listed rate range (9.2 to 11.3 fl oz/A) on heavier infestations or when later instar larvae are present.

Tuberous and Corm Vegetables

Target pest	Rate	Unit	Label notes
Cabbage looper	0.045 - 0.11	lb ai
Colorado potato beetle*	0.065 - 0.11	lb ai	*Colorado potato beetle - In situations where Colorado potato beetle populations are known or suspected to be difficult to control with current insect control products, the
European corn borer (except California)	0.065 - 0.11	lb ai
Potato tuberworm**	0.055 - 0.11	lb ai	**Suppression only.

Worker safety

Re-entry interval (REI) 12 hrs.

Timing & weather

For the most effective control, fields should be scouted twice per week with application timing based on locally determined economic thresholds.

Use restrictions 5

PEANUT RESTRICTIONS: The minimum interval between treatments is 5 days. Make no more than 4 applications per acre per crop. Do not apply more than 45 fl oz/A of STEWARD® EC insecticide or 0.44 lb ai/A of indoxacarb-containing products per calendar year.
SOYBEAN RESTRICTIONS: The minimum interval between treatments is 5 days. Make no more than 4 applications per acre per crop. Do not apply more than 45 fl oz/A of STEWARD® EC insecticide or 0.44 lb ai/A of indoxacarb-containing products per calendar year. Do not feed or graze livestock on treated fields.
SUNFLOWER CROP GROUP 20B RESTRICTIONS: The minimum interval between treatments is 5 days. Make no more than 4 applications per acre per crop. Do not apply more than 45 fl oz/A of STEWARD® EC insecticide or 0.44 lb ai/A of indoxacarb-containing products per calendar year.
TOBACCO RESTRICTIONS: The minimum interval between treatments is 5 days. Make no more than 4 applications per acre per crop. Do not apply more than 45 fl oz/A of STEWARD® EC insecticide or 0.44 lb ai/A of indoxacarb-containing products per calendar year.
USE RESTRICTIONS FOR TUBEROUS AND CORM VEGETABLES: Make no more than 4 applications per acre per crop. Do not apply more than 45 fl oz/A of STEWARD® EC insecticide or 0.44 lb ai/A of indoxacarb-containing products per crop. Do not apply more than 135 fl oz/A of STEWARD® EC insecticide or 1.32 lb ai/A of indoxacarb-containing products per calendar year. The minimum interval between sprays is 5 days.