Onslaught® FastCap Spider & Scorpion Insecticide - Animal Health

Use Sites

Animal Premise, Food-Handling, Indoor, Outdoor, Perimeter

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Onslaught® FastCap Spider & Scorpion Insecticide combines esfenvalerate and prallethrin (Group 3A) with piperonyl butoxide (PBO) to deliver fast-acting and long-lasting residual control of a broad spectrum of insects in and around unoccupied livestock facilities.

Primary Uses

  • Cockroaches
  • Deer Flies
  • Face Flies
  • Horn Flies
  • Horse Flies

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Features & Benefits
  • Kills 100+ insects, including cockroaches, darkling beetles, flies, spiders and ticks
  • Microencapsulated residual insecticide and knockdown agent for enhanced control
  • May be used in and around barns, calf hutches, milk rooms and other livestock areas
  • Flexible application methods, including indoor and outdoor broadcast use
  • Synergized with PBO to maximize effectiveness
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Onslaught® FastCap FAQs

  • 1 pint bottle
  • 1 gallon bottle
  • 30 gallon drum

Please contact your distributor for availability.

Yes, any insect growth regulator may be mixed with Onslaught® FastCap unless prohibited by label.

Onslaught® FastCap was designed to provide multiple forms of control in a single product. Onslaught® FastCap includes prallethrin for a quick knockdown and esfenvalerate, a microencapsulated pyrethroid, to provide residual control. In addition, piperonyl butoxide is included to speed up delivery of the active ingredients to the target insects through the cuticle and combat metabolic insecticide resistance.

The microencapsulated pyrethroid in Onslaught® FastCap is esfenvalerate and this slowly releases active ingredient into the litter over time, working to provide residual control of darkling beetles throughout the length of the entire grow out period.

Onslaught® FastCap is a broad spectrum product that will provide residual control for many insect problems around the farm. It may be used indoors and outdoors.

Onslaught® FastCap cannot be applied to animals. Do not allow animals to come into contact with such areas until the solution has dried.

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