Insecticide Treatments for Corn Rootworm Larvae in Field Corn

Updated February 15, 2017



Go to https://www.greenbook.net or other resource for additional registrations.
*Consult product label for specific information and restrictions.

IRAC Mode of Action Classification:
  • Group 1 = Acetylcholine esterase inhibitors; 1A = Carbamates, 1B = Organophosphates
  • Group 3 = Sodium channel modulators
  • Group 4 = Nicotinic acetylcholine receptor agonists/antagonists; 4A = Neonicotinoids
R = Restricted-Use Product * = Suitable for chemigation ai=active ingredient REI = Re-Entry Interval

Seed Treatments:
Mode Of
Action
Product
Name
Common
Name
Rate
(Formulation)
Restrictions/Comments
4A
Cruiser 5FS
thiamethoxam
1.125 mg ai/kernel
Recommended for use against low to moderate CRW populations. Treated seed must be planted into the soil at a depth greater than 1 inch. Do not make any soil or foliar application of products containing thiamethoxam to crops grown from seed treated with Cruiser 5FS.
4A
Poncho 600
clothianidin
1.25 mg ai/kernel
A systemic insecticide seed treatment for control of listed insect pests. Recommended for use against low to moderate CRW populations.
4A
Gaucho 600,
Macho,
Senator
imidacloprid
1.34 mg ai/kernel
Recommended for use against low to moderate CRW populations. Treated seed must be adequately covered with soil at planting.

Planting Time Treatments:
Mode Of
Action
Product
Name
Common
Name
Rate
(Formulation)
Restrictions/Comments
1B, 3 R
Aztec 2.1G
tebupirimphos
and cyfluthrin
6.7 oz/1000 row ft
Apply in-furrow, band or T-band. For use in field corn, seed corn, popcorn, and corn grown for silage.
1B, 3 R
Aztec HC
tebupirimphos
and cyfluthrin
1.5 oz/1000 row ft
T-band or in-furrow application. Apply with SmartBox system.
1B, 3 R
Aztec 4.67G via
SmartBox Systems
tebupirimphos
and cyfluthrin
3 oz/1000 row ft
May be applied as a band, T-band, or in-furrow application.
Granular insecticide for use in SmartBox system only.
For use on field corn, popcorn, corn grown for seed or silage.
3 R
Ballista LFC
lambda-cyhalothrin
11.5 fl oz/acre
0.66 fl oz/1000 row ft
May be applied as a T-band, or in-furrow application.
3R Brigade 2EC,
Fanfare 2EC,
Bifenture EC,
Discipline 2EC,
Sniper,
Tundra EC
bifenthrin 0.30 fl oz/1000 row ft PHI 30 days. Do not graze livestock in treated area or cut treated crops for feed within 30 days of treatment. Apply as a 5-7 inch t-band treatment over an open seed furrow. Do not apply to soil where there is greater than 30% cover of crop residue remaining.
3 R
Capture LFR
bifenthrin
0.39-0.98 fl oz/1000 row ft Capture LFR insecticide is for mixing directly with liquid fertilizer to control soil insect pests. Do not apply to soil where there is greater than 30% cover of crop residue remaining.
R Cobalt chlorpyrifos and
gamma-cyhalothrin
38-42 fl oz Apply at cultivation by directing the spray to both sides of the row at the base of the plants just ahead of the cultivator shovels. For chemigation applications, apply with enough water to wet the root zone to the depth control is needed. PHI 21 days for grain, ears, forage or fodder.
R Cobalt Advanced chlorpyrifos and
gamma-cyhalothrin
32-42 fl oz Apply at cultivation by directing the spray to both sides of the row at the base of the plants just ahead of the cultivator shovels. For chemigation applications, apply with enough water to wet the root zone to the depth control is needed. PHI 21 days for grain, ears, forage or fodder.
1B R Counter 15G
via Lock'n Load and
SmartBox Systems
terbufos
6-8 oz/1000 row ft
Apply in-furrow, T-band, or band. If application is made at planting, do not make postemergence or cultivation time treatments of Counter 15G. Do not graze or cut for forage within 30 days of treatment. ALS-inhibiting herbicides should not be used if Counter 15G has been applied to corn at the time of planting. Counter 15G may be applied 7 days after applicaton of ALS-inhibiting herbicides.
1B R Counter 20G
via SmartBox Systems
terbufos
4.5-6.0 oz/1000 row ft
Apply in-furrow, T-band, or band. If application is made at planting, do not make postemergence or cultivation time treatments of Counter 20G. Do not graze or cut for forage within 30 days of treatment. ALS-inhibiting herbicides should not be used if Counter 20G has been applied to corn at the time of planting. Counter 20G may be applied 7 days after applicaton of ALS-inhibiting herbicides.
3 R Declare gamma-cyhalothrin 0.26 fl oz/1000 row ft PHI 21 days for grain, livestock grazing or silage harvest.
1B, 3 R
Defcon 2.1G
phosphorothionate
and cyfluthrin
6.7 oz/1000 row ft
Apply in a band, T-band or infurrow application.
Defcon 2.1G is not systemic and will not interact with corn herbicides. For field, sweet, seed, silage and popcorn.
3 R Force 3G
via Conventional and
SmartBox Systems
tefluthrin
4-5 oz/1000 row ft
Field corn, popcorn and seed corn. Banded, T-band, or in-furrow placement at planting. Banded granules must be incorporated into the top one inch of soil using tines, press wheels, closing wheels or other suitable equipment. Use Force 3G only one per crop season.
3 R
Force CS
tefluthrin
0.46-0.57 fl oz/1000 row ft
Field corn, popcorn, sweet corn and seed corn. T-band or in-furrow placement at planting. T-band applications need to be followed by an incorporation of 1 inch into the soil either by using tines, press wheels, closing wheels, or other suitable equipment which are either attached to the planter or part of the planter system.
1B R
Fortress 5G
via SmartBox System
chlorethoxyfos
3.0-4.5 oz/1000 row ft
For use only with SmartBox closed handling application system. Field corn, popcorn, seed corn. Apply infurrow at planting for optimum control. May also be applied as a t-band with incorporation into the top one-inch of soil. Do not apply as a surface band behind the press wheel. Increase the rate to control higher rootworm populations.
1B R Lorsban 15G
via Conventional and
SmartBox Systems,
Chlorpyrifos 15G
chlorpyrifos
8 oz/1000 row ft
Apply in-furrow, T-band or band at planting time. At cultivation time, apply by directing the granules at the base of the plant on both sides of the row just ahead of the cultivation shovels and cover the granules with soil. PHI 35 days for grain. Do not allow meat or dairy animals to graze in treated areas or harvest treated corn silage as feed for meat or dairy animals within 14 days after last treatment. Do not feed treated corn fodder to meat or dairy animals within 35 days after last treatment.
1B R Lorsban Advanced,
Lorsban 4E,
Govern 4E,
Hatchet,
Nufos 4E,
Warhawk,
Yuma 4E
chlorpyrifos
2.4 fl oz/1000 row ft
PHI 21 days before harvest of grain, ears, forage or fodder. Apply in a T-band with a minimum spray volume of 5 GPA.
4A Poncho 600 clothianidin 1.25 mg ai/K Pre-treated seed. A systemic insecticide seed treatment for control of listed insect pests.
3 R Proaxis gamma-cyhalothrin 0.66 fl oz/1000 row ft Apply in a 5 to 7 inch t-band or in-furrow in a minimum spray volume of 3 GPA.
1B, 3 R SmartChoice 5G
via SmartBox System
chlorethoxyfos
and bifenthrin
3-5 oz/1000 row ft Do not make more than one application per year.
1B R Thimet 20G via
Lock'n Load and
SmartBox Systems
phorate
4.5-6.0 oz/1000 row ft
Apply as band or T-band. Granules must be incorporated into the soil.
1B, 3 R Tundra Supreme chlorpyrifos
and bifenthrin
0.8 fl oz/1000 row ft PHI 30 days for grain and silage.
3 R Warrior w/ Zeon Technology,
Silencer
lambda-cyhalothrin 0.66 fl oz/1000 row ft Apply in-furrow, band or T-band. Recommended for light to moderate infestations. PHI 21 days for harvest, grazing or cutting treated crops for feed.
3 R Warrior II w/ Zeon Technology lambda-cyhalothrin 0.33 fl oz/1000 row ft Apply in-furrow, band or T-band. Recommended for light to moderate infestations. PHI 21 days for harvest, grazing or cutting treated crops for feed.

Post-Plant or Rescue Treatments:
Mode Of
Action
Product
Name
Common
Name
Rate
(Formulation)
Restrictions/Comments
1B, 3 R Cobalt chlorpyrifos and
gamma cyhalothrin
38-42 fl oz/acre Application timing should coincide with 2nd instar larvae.
1B R Counter 15G
via Lock'n Load and
SmartBox Systems
terbufos
8 oz/1000 row ft
For field corn and popcorn. If application is made at planting, do not make postemergence or cultivation time treatments of Counter 15G. Do not graze or cut for forage within 30 days of treatment. ALS-inhibiting herbicides should not be used if Counter 15G has been applied to corn at the time of planting. Counter 15G may be applied 7 days after applicaton of ALS-inhibiting herbicides.
1B R Counter 20G
via SmartBox Systems
terbufos
6 oz/1000 row ft
For field corn and popcorn. If application is made at planting, do not make postemergence or cultivation time treatments of Counter 20G. Do not graze or cut for forage within 30 days of treatment. ALS-inhibiting herbicides should not be used if Counter 20G has been applied to corn at the time of planting. Counter 20G may be applied 7 days after applicaton of ALS-inhibiting herbicides.
3 R Force 3G
via Conventional and
SmartBox Systems
tefluthrin
4-5 oz/1000 row ft
Field corn, popcorn and seed corn. Place granules at the base of the plant on both sides of the row and cover with 2-3 inches of soil by making the application ahead of cultivation equipment. Use Force 3G only once per crop season.
1B R
Lorsban 4E,
Govern 4E,
Hatchet,
Warhawk,
Yuma 4E
chlorpyrifos
2-3 pts/acre
May apply at cultivation by directing the spray to both sides of the row at the base of the plants just ahead of the cultivator shovels. Cover the insecticide with soil around the brace roots. A cultivation application of Lorsban 4E may be made in addition to an at planting application of Lorsban 15G. OR Apply through sprinkler irrigation systems with enough water to wet the root zone to the depth that root protection is needed. Timing should coincide with appearance of second instar larvae. PHI 21 days before harvest of grain, ears, forage or fodder.
1B Lorsban 15G
via Conventional and
SmartBox Systems
chlorpyrifos
8 oz/1000 row ft
Field corn, popcorn, and corn grown for seed. Apply by directing the granules at the base of the plant on both sides of the row just ahead of the cultivation shovels and cover the granules with soil. PHI 35 days for grain. Do not allow meat or dairy animals to graze in treated areas or harvest treated corn silage as feed for meat or dairy animals within 14 days after last treatment. Do not feed treated corn fodder to meat or dairy animals within 35 days after last treatment.
1B R Thimet 20G
via Lock'n Load and
SmartBox Systems
phorate
4.5-6.0 oz/1000 row ft
Apply granules to base of plants just ahead of cultivation shovels so as to cover granules with soil. PHI 30 days for harvest, graze, or forage.