When treating exterior foundations, siding, around windows, doors, etc using Bifen IT at the advised labeled rate of 0.5 to 1 fl oz per gallon of water, there should be no staining, discoloration or visible residue. Make sure you are shaking the contents of the sprayer when mixing and during the application to ensure the insecticide is completely suspended throughout the water, especially as the mixed solution gets low.
Per the Bifen IT product label: Bifen I/T will not discolor or otherwise harm surfaces that water alone will not discolor or otherwise harm
Bifen IT is labeled for grasshoppers. Please be sure to carefully read the product label for specific application instructions.
Avid 0.15 EC Miticide Insecticide (Group 6 Insecticide) can be used in rotation with Bifen IT (Group 3 insecticide) for Spider Mite control.
Avid 0.15 EC Miticide is should be applied for 2- 3 applications at 7 day intervals at the product label rate of 4 fl oz per 100 gallons of water (0.24 tsps per gallon of water) before rotating to Bifen IT for 2 to 3 applications at 7 day intervals at the rate of 0.25 fl oz to 0.5 fl oz per gallon of water per the product label.
Bifen IT cannot be used in ULV, Thermal or Propane fogging equipment and only labeled to be used in a pressurized hand pump sprayer, backpack sprayer or gas powered mist blower that provides larger droplets.
Please view our ULV Fogging Solutions and Thermal Fogging Solutions for products labeled to be used in fogging applications.
Please view our Mosquito Treatment Guide for more detailed information.
Bifen IT could possibly kill hoverflies if they contact a treated area long enough to receive a lethal dose. Hoverflies are actually beneficial insects that feed on other insects that might attack plants. They also are pollinators that help your flowering plants. We apologize that we do not offer advice/products for killing beneficial insects.
For Armyworm control, Bifen IT is applied at 1 fl oz per gallon of water per 1,000 sq ft with repeat applications done every 30 days.
Please view our Armyworm Treatment Guide for more information.
Bifen IT should only be applied to interior cracks and crevices quarterly (where floor meets the wall) and monthly to listed exterior areas as directed.
The Cypress trees will not be affected by Bifen IT when used as directed, it is known for being super gentle on plants. It is safe to spray onto those areas, and may return once product has dried. If your friend is applying the product, we encourage them to wear long sleeves, long pants, and a face mask to protect them while spraying.
We recommend performing a jar test to ensure they are compatible and test a small inconspicuous area prior to treating a larger area.
Bifen IT should be applied once monthly to the lawn or the Bifen L/P Granules once every 2-4 months as directed. Either formulation can be used as long as appropriate rates are used.
Bifen IT can be used to treat around potted or containerized plants outdoors.
Bifen IT cannot be applied to pet bedding and not recommended for active infestations of fleas/ticks indoors. Bifen IT can be used outdoors for fleas and ticks in lawns, bushes, trees, shrubs and landscape beds.
The Indoor Flea & Tick Kit would be the best treatment for fleas and ticks indoors. The PT Alpine Flea Aerosol can be applied to pet bedding, carpets, rugs and other resting areas. Once dry, it is safe for pets to lay on the bedding.
Bifen IT is applied at 0.25 fl oz- 0.5 fl oz per gallon of water per 1,000 sq ft. NyGuard IGR is mixed at 4ml to 8ml per gallon of water per 1,000 sq ft . These two products can be tank mixed in a handpump sprayer, backpack sprayer or mist blower. Fill the tank 1/2 way with water, add the recommended rate for the insecticide/IGR you are using (Bifen IT / NyGuard IGR), shake the solution and then fill the tank the remaining way with water. Tighten pump handle and shake sprayer solution again.
Yes, once the application of Bifen IT dries, water will not reactivate the product.
Only the applicator should be present during the application of Bifen IT until everything has dried completely and then others can return. You can treat the exterior once monthly and quarterly to interior cracks and crevices.
Bifen IT is not labeled for treatment of tapeworms.
Yes, Bifen IT is labeled to control stinkbugs. The rate is 1 oz per gallon of water per 1,000 sq ft monthly to listed exterior areas and quarterly to interior crevices. Please refer to the product label for full application instructions. For more information on treating stinkbugs, check out our article here.
Yes, Bifen IT is labeled to control scorpions as directed.