Bifen I/T Insecticide
Chart of target insects controlled by Bifen I/T Insecticide with images and names.
Product advertisement for mosquito and tick control with text and images of a mosquito and tick on skin.
Bifen I/T Insecticide packaging with measurement labels on a green background
Instructions on how to mix Bifen I/T Insecticide with images and text.
Bifen I/T Insecticide
Bifen I/T Insecticide
Chart of target insects controlled by Bifen I/T Insecticide with images and names.
Product advertisement for mosquito and tick control with text and images of a mosquito and tick on skin.
Bifen I/T Insecticide packaging with measurement labels on a green background
Instructions on how to mix Bifen I/T Insecticide with images and text.
Bifen I/T Insecticide
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Bifen I/T Insecticide

Bifen I/T Insecticide is a professional bifenthrin concentrate for controlling listed insects in lawns, landscapes, and around structures. It is a versatile option for perimeter pest control, turf insects, mosquitoes, ants, fleas, ticks, spiders, roaches, and more.
  • Controls 75+ listed pests
  • Great for lawn insects and mosquitos
  • Perimeter pest protection
$29.95

Timing: Apply when listed insects are active or at the first sign of pest activity.

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Bifen I/T Insecticide is a trusted bifenthrin-based insecticide concentrate designed for broad-spectrum pest control in and around homes, lawns, landscapes, and structures. With 7.9% bifenthrin, Bifen I/T provides dependable control of many common nuisance and turf-damaging insects when applied according to the product label.

Use Bifen I/T as a lawn, perimeter, ornamental, and structural pest control solution. It is labeled for listed pests such as ants, carpenter ants, fire ants, mosquitoes, fleas, ticks, chinch bugs, armyworms, cutworms, sod webworms, spiders, roaches, crickets, earwigs, millipedes, stink bugs, wasps, beetles, mites, and more. For lawn applications, Bifen I/T can be broadcast over turf to help control listed surface and subsurface pests. For dense turf or heavy pest pressure, higher water volumes may help improve coverage.

Around homes and buildings, Bifen I/T can be used as a perimeter treatment along soil, vegetation, foundations, window frames, porches, eaves, garages, fence lines, and other listed areas where insects travel or hide. It can also be used as a crack-and-crevice or spot treatment indoors in labeled areas, including baseboards, corners, storage areas, around water pipes, behind appliances, under cabinets, and other pest-harboring locations.

Bifen I/T is also labeled for ornamental trees, shrubs, foliage plants, flowers, non-bearing fruit and nut trees, and landscape beds. It can help control many listed ornamental pests, including aphids, beetles, leafhoppers, mites, Japanese beetles, whiteflies, ants, and more.

For best results, mix only the amount needed, apply with proper spray equipment, and follow all label directions, rates, restrictions, and safety precautions. Do not allow people or pets to contact treated surfaces until the spray has dried. Bifen I/T is not for use on pets, crops, or food-contact surfaces, and it should not be applied in a way that allows runoff into drains, gutters, storm drains, or water bodies.

Key Value
Active Ingredient Bifenthrin 7.9%
Application Rate

For lawns, apply 0.18–1.0 fl oz per 1,000 sq ft, depending on the target insect. For most perimeter and outdoor pest treatments, mix 0.33–1.0 fl oz per gallon of water and apply with enough water for good coverage. Use the higher rate for heavy pest pressure, quicker knockdown, or longer residual control.

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Frequently Asked?

What insects does Bifen I/T control?

Bifen I/T controls many listed lawn and household pests, including ants, mosquitoes, fleas, ticks, spiders, roaches, crickets, armyworms, sod webworms, chinch bugs, stink bugs, wasps, and more.

Can Bifen I/T be used on lawns?

Yes. Bifen I/T is labeled for broadcast lawn applications to control listed turf insects. Lawn rates range from 0.18–1.0 fl oz per 1,000 sq ft, depending on the target pest.

How much Bifen I/T do I mix per gallon of water?

For many outdoor perimeter and general pest treatments, mix 0.33–1.0 fl oz per gallon of water. Use the higher rate for heavier pest pressure, faster knockdown, or longer residual control.

Can I use Bifen I/T for mosquitoes?

Yes. Bifen I/T is labeled for adult mosquito control outdoors on lawns, ornamentals, building exteriors, recreational areas, and other listed sites. Apply to areas where mosquitoes rest, such as shrubs, shaded foliage, fence lines, foundations, and around structures.

Can I spray Bifen I/T around my house?

Yes. Bifen I/T can be used as a perimeter treatment around structures. Treat a band of soil and vegetation 6–10 feet wide around the structure and the foundation area 2–3 feet high, following label directions.

Is Bifen I/T safe for pets?

Keep people and pets off treated areas until the spray has completely dried. Do not apply Bifen I/T directly to pets.

How often can Bifen I/T be reapplied?

Repeat applications should only be made if there are signs of renewed insect activity. For many uses, repeat applications must not be made more often than once every 7 days. Always follow the label for your specific treatment site and pest.

Does Bifen I/T kill fleas and ticks?

Yes. Bifen I/T is labeled for fleas and ticks. For fleas, the label notes it can kill fleas for up to 3 months when applied properly to labeled areas. For ticks, treat the entire area where contact may occur, especially areas with dense ground cover or leaf litter.

Can Bifen I/T be used indoors?

Yes, but only as directed. It may be used indoors as a crack-and-crevice, spot, pinstream, coarse low-pressure spray, or brush application in labeled areas where pests hide. Do not use it as a broadcast spray on interior home surfaces.

Can Bifen I/T be used on plants and ornamentals?

Can Bifen I/T be used on plants and ornamentals?