Rockwell Labs


Regular price $39.59 $0.00 Unit price per
EPA# 71532-26-73006
ACTIVE INGREDIENT Esfenvalerate 8.4%
LABEL rockwell_labs_fenvastar_plus_label_092610.pdf
SDS rockwell_labs_fenvastar_plus_msds_092610.pdf
CHEMICAL CLASSES Synthetic Pyrethroid
TARGET PESTS Angoumois Grain Moths, Ants, Bed Bugs, Cadelles, Carpenter Ants, Carpenter Bees, Centipedes, Cigarette Beetles, Cockroaches, Confused Flour Beetles, Crickets, Deathwatch Beetles, Drugstore Beetles, Earwigs, Fleas, Gnats, Grain Mites, Granary Weevils, House Flies, Indian Meal Moths, Mediterranean Flour Moths, Millipedes, Mosquitoes, Moths, Old House Borers, Pillbugs, Powderpost Beetles, Rice Weevils, Sawtoothed Grain Beetles, Scorpions, Silverfish, Sowbugs, Spiders, Termites, Swarming, Ticks, Yellow Mealworms
USE Commercial & Residential Indoors & Outdoors: Food and Non-Food Areas: Schools, Warehouses, Office Buildings, Apartments, Theaters, Hotels, Kennels, Food Processing Plants, Restaurants, Warehouses, Lawns (Fleas & Ticks), shrubs and others * See label for
APPLICATION * See label for complete application instructions
PET SAFE Yes, if used as directed on label
FORMULATION Professional Product
COVERAGE AREA 1 Gallon of Mixed Solution covers 1,000 sq ft.



GENERAL: Use Fenvastar Plus insecticide to control the pests indicated in the listed areas as a contact spray by mixing either 0.42 fluid ounces of concentrate in 1 gallon of water or oil or 0.83 fluid ounces of concentrate in 1 gallon of water or oil and mix thoroughly before use. One 0.42 fluid ounces of Fenvastar Plus per 1 gallon of water or oil will make a spray containing 0.027% active ingredient, 0.83 fluid ounces per 1 gallon will make a spray containing 0.05% active ingredient. For initial clean out of heavy infestations use 0.83 fluid ounces of concentrate per 1 gallon of spray; for maintenance control or light infestations use 0.42 fluid ounces of concentrate per 1 gallon. When using oil as the diluent, an odorless light petroleum hydrocarbon as defined by CFR Title 21, Sec. 172.884 must be used for all food areas and food related applications. For all applications of contact sprays, use at the rate of one (1) gallon (diluted spray) per 1,000 square feet of surface area.


GENERAL: Use Fenvastar Plus at the rate of 0.83 fluid ounces per 1 gallon of water to control contact on Ants, Cockroaches, Crickets, Sowbugs, Spiders, and Ticks. Use at the rate of one (1) gallon per 1,000 square feet to outside surfaces of buildings, porches, patios, garages and other areas where these pests have been seen or are found.

Avoid soaking young or flowering plants.

All outdoor applications must be limited to spot or crack-and-crevice treatments only, except for the following permitted uses:

  • Treatment to soil or vegetation around structures.
  • Applications to lawns, turf, and or vegetations.
  • Applications to building foundations, up to a maximum height of 3 feet.


Other than applications to building foundations, all outdoor applications to Impervious surfaces such as sidewalks, driveways, patios, porches, and structural surfaces (such as windows, doors, and eaves) are limited to spot and crack-and-crevice applications only.