Insect Growth Regulator

Fulcrum® Insect Growth Regulator is highly effective against a broad-spectrum of greenhouse and nursery insects. Fulcrum controls nymphs/larvae and pupae and negatively affects development of viable eggs. Fulcrum should be used as one component of a rotational strategy with products from different chemical classes with different modes of action.


Fulcrum is a 11.23% formulation of pyriproxyfen and contains 0.86 lbs. of active ingredient per gallon.


Current state registrations

Fulcrum Insect Growth Regulator

Labeled for use on:

Shrubs, ornamentals, flowering plants, foliage plants, ground covers, ornamental trees, and non-bearing fruit, nut trees and vines.


Insects controlled:

Eggs, nymphs/larvae and pupae of aphids, fungus gnats, leafminers, mealybugs, scales, shore flies and whiteflies.



1 quart (32 fl. oz.) container, 4 per case



Foliar sprays are effective through convention and low volume sprayers. Make only one drench application per crop. Do not apply to poinsettia after bract formation.

  • EPA Registration Number59807-14
  • Restricted Entry Interval (REI)12 hours
  • Chemical FamilyPyridine insect growth regulators
  • MOA7C
  • Active IngredientPyriproxyfen
  • Rate per 100 gallons (see label)2 to 12 fluid ounces
  • Rate per 1 gallon⅛ tsp to ¾ tsp (.6 mL to 3.6 mL)
  • ApplicationSpray or drench