Insecticide Treatments for Corn Rootworm Adults in Field Corn

Updated February 14, 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 28 = Ryanodine receptor modulators, Diamides
R = Restricted-Use Product
FS = Feeding Stimulant

Mode Of
Action
Product
Name
Common
Name
Rate
(Formulation/Acre)
Restrictions/Comments
3 R
Ambush 2EC
permethrin
6.4-12.8 fl oz
 PHI 30 days for grain or fodder (stover). Forage may be harvested on the day of application.
3 R Arctic 3.2EC permethrin 4-6 fl oz PHI 30 days for harvest of grain or fodder (stover). Forage may be harvested on the day of application.
3 R Asana XL esfenvalerate 5.8-9.6 fl oz PHI 21 days. Apply at the first sign of silk feeding.
3 R Baythroid XL beta-cyfluthrin 1.6-2.8 fl oz PHI 21 days for grain or fodder and 0 days for green forage.
3, 28 R Besiege lambda-cyhalothrin,
chlorantraniliprole		 6-10 fl oz PHI 21 days. Do not feed treated corn fodder or silage to meat or dairy animals within 21 days after last treatment. As part of an aerial-applied corn rootworm control program, use a minimum of 9 fl oz per acre.
3 R Brigade 2EC,
Fanfare 2EC,
Bifenture EC,
Discipline 2EC,
Sniper,
Tundra EC		 bifenthrin 2.1-6.4 fl oz PHI 30 days. Do not graze livestock in treated area or cut treated crops for feed within 30 days of treatment.
1B, 3 R Cobalt chlorpyrifos and
gamma cyhalothrin		 13-26 fl oz PHI 21 days for grain, ears, forage or fodder.
1B, 3 R Cobalt Advanced chlorpyrifos and
gamma cyhalothrin		 11-26 fl oz PHI 21 days for grain, ears, forage or fodder.
3 R Declare gamma-cyhalothrin 1.02-1.54 fl oz PHI 21 days for grain, livestock grazing or silage harvest.
1B Dimethoate 4EC dimethoate 0.66-1 pt PHI 21 days for grain and 14 days for silage and grazing.
3 R Delta Gold deltamethrin 1.5-1.9 fl oz PHI 21 days for grain or fodder. PHI 12 days for cutting or grazing for forage.
3 R Fastac EC alpha-cypermethrin 2.7-3.8 fl oz PHI 30 days for grain and stover. PHI 60 days for forage.
FS Invite EC cucurbitacin 12 fl oz Invite EC contains cucurbitacin, a corn rootworm specific feeding stimulant/arrestant. Apply in combination with 4 oz Penncap-M insecticide or other insecticides. Use Invite with caution in areas where adult corn rootworm organophosphate (OP) resistance has been documented. Control may not always be optimal in OP resistance areas if Invite is tank-mixed with methyl parathion or carbaryl.
3 R Hero zeta-cypermethrin
and bifenthrin		 4.0-10.3 fl oz PHI 30 days for grain or stover and 60 days for forage. Do not graze livestock in treated areas or cut treated crops for feed within 30 days of the last application.
1A R Lannate LV methomyl 0.75-1.5 pts PHI 21 days for ears and stover, and 3 days for forage.
1A R Lannate SP methomyl 0.25-0.50 lb PHI 21 days for ears and stover, and 3 days for forage.
1B R Lorsban Advanced,
Lorsban 4E,
Govern 4E,
Hatchet,
Nufos 4E,
Warhawk,
Yuma 4E		 chlorpyrifos 1-2 pts PHI 21 days before harvest of grain, ears, forage or fodder. The labelled rate will control silk clipping.
1B R Methyl 4EC methyl parathion 0.5 pt PHI 12 days. Do not apply during the pollen shed period.
3 R Mustang Maxx,
Respect		 zeta-cypermethrin 2.72-4.0 oz PHI 30 days for grain and stover. PHI 60 days for forage.
1B R Penncap-M microencapsulated
methyl parathion		 1-2 pts PHI 12 days for harvest, forage and grazing.
3 R Proaxis gamma-
cyhalothrin		 2.56-3.84 fl oz PHI 21 days.
1A Sevin XLR Plus carbaryl 1-2 qts PHI 48 days for grain and fodder or 14 days for grazing and silage.
1B, 3 R Stallion chlorpyrifos +
zeta-cypermethrin		 9.25-11.75 fl oz PHI 30 days for grain or stover and 60 days for forage.
3 R Steed zeta-cypermethrin
and bifenthrin		 3.5-4.7 fl oz PHI 30 days for grain or stover and 60 days for forage. Do not graze livestock in treated areas or cut treated crops for feed within 30 days of the last application.
3 R Tombstone cyfluthrin 1.6-2.8 fl oz PHI 21 days for grain or fodder and 0 days for green forage.
1B, 3 R Tundra Supreme chlorpyrifos
and bifenthrin		 5.6-16.8 fl oz PHI 30 days for grain and silage.
3 R Warrior
w/Zeon Technology,
Silencer		 lambda-cyhalothrin 2.56-3.84 fl oz PHI 21 days for harvest, grazing or cutting treated crops for feed.
3 R Warrior II
w/ Zeon Technology		 lambda-cyhalothrin 1.28-1.92 fl oz PHI 21 days for harvest, grazing or cutting treated crops for feed.