Archer Insect Growth Regulator (IGR)


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Archer Insect Growth Regulator breaks the reproductive cycle of pests to prevent them from becoming egg-laying adults.  Archer Insect Growth Regulator works indoors and outdoors.  For the best results, use Archer IGR in combination with baits such as Advion Ant Gel bait, Optigard Ant Gel bait or with and adulticide spray such as Demand CS.

Product Features:

  • Its unique mode of action interferes with the development of eggs, larvae, pupae or nymphs of many common insects and arthropod pests, including those that may be resistant to other insecticides.
  • Protected against UV degradation to ensure long-lasting flea control outdoors for up to 16 weeks.
  • Its low volatility allows Archer to be applied indoors, outdoors and in food-handling establishments (see product label) without odor or airborne residue.
  • Can be tank-mixed with adulticides outdoors.


Product Alternatives: Nyguard IGR
Active Ingredient: Pyriproxyfen – 1.3%
EPA Registration No.: 100-1111
Archer Product Information:

The active ingredient in Archer Insect Growth Regulator is pyriproxyfen, an insect growth regulator that mimics juvenile hormone occurring naturally in insects. Pyriproxifen primarily affects the immature life stages of the target insect, preventing the normal development of adult forms. In some insect species, such as fleas and flies, Archer Insect Growth
Regulator also has activity on adults by affecting the reproductive organs, resulting in a reduction of the reproductive capability of these pests.
Archer Insect Growth Regulator will control listed pests, including ants, cockroaches, crickets, fleas, litter beetles, ticks, and flying insect pests in and around homes and apartments; food and non-food storage and preparation areas of agricultural, industrial, institutional and commercial buildings; and transport vehicles. Archer Insect Growth Regulator may be used around structures with treatments to soil, mulch, perimeter landscape plantings or grass to prevent indoor invasion by listed pest species.
• Use of Archer Insect Growth Regulator provides effective control of listed pests by preventing the development of juvenile pest stages.
• Archer Insect Growth Regulator can be used as part of an integrated pest management (IPM) program, in combination with other insecticides or alone, and as an aid to prevent the development of insecticide resistance. See Section 7.0 for more information.
• Archer Insect Growth Regulator is stable in sunlight for up to 14 days, delivering effective residual control of outdoor pests such as fleas and cockroaches, even in areas with direct sunlight.
• When used as directed, Archer Insect Growth Regulator retains activity against pre-adult fleas for up to 7 months and pre-adult cockroaches for up to 6 months.
• Archer Insect Growth Regulator reduces egg production in house flies and prevents larval development into adults.

Mixing Instructions: 

Archer Insect Growth Regulator is an emulsifiable concentrate (EC). Archer Insect Growth Regulator is intended to be mixed with water and applied with application equipment, such as hand-held, backpack, or power spray equipment (see Tables 2 and 3). Prepare an application dilution according to the rate recommendation for the target pest given in Table 4.
Mixing Sequence:
1. Fill applicator container 1/2 full with water.
2. Add the amount of Archer Insect Growth Regulator to container as recommended in the rate table for the listed pest.
3. Shake, stir, or agitate.
4. Fill applicator tank with water to final volume recommended in rate table.
5. Re-agitate.
6. To ensure optimal control, prepared dilutions should be used within 24 hours and should be re-agitated if diluted material is not used for several hours.

3.1. Use Rates for Interior or Exterior Low-Volume Applications:
Table 2: Mixing Directions for Interior or Exterior Low-Volume Applications

Amount of Archer per gallon of water

(% Pyriproxifen in dilution)

Amount of Archer 

per unit area1

1,000 sq ft 1,500 sq ft
1.0 fl oz (0.01%) 1.0 fl oz 1.5 fl oz
1.5 fl oz (0.015%) 1.5 fl oz 2.25 fl oz
2.0 fl oz (0.02%) 2.0 fl oz 3.0 fl oz

1 For interior applications by hand sprayers, use 1 gallon of finished dilution per 1,500 sq ft surface area. For exterior hand sprayer or backpack applications, 1-3 gallons of finished dilution per 1,000 sq ft is recommended.

3.2. Use Rates for Exterior High-Volume Sprays
Table 3: Mixing Directions for Exterior High-Volume Power Sprays1:


Desired Dilution (% Pyriproxifen in Dilution)

Amount of Archer per volume of finished dilution
25 gallons mixed 50 gallons mixed
0.001% 2.5 fl oz 5 fl oz
0.002% 5.0 fl oz 7.5 fl oz
0.003% 7.5 fl oz 15 fl oz

1 For exterior high-volume applications (power sprays), 4-10 gallons of finished dilution per 1,000 sq ft is suggested.

Application Directions:

Archer Insect Growth Regulator should be mixed in water, using the marked increments on the squeeze-and-pour bottle according to the rates in the following table. For crack-and-crevice or spot treatments, follow the rate per gallon of water*. For area and general surface treatment, follow the rate per unit area** to ensure good coverage.

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