10 Best Onslaught Fastcap Spider And Scorpion Insecticide Reviews of 2025

Main Highlights

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  CONVENIENT PEST CONTROL: Protection against a wide range of residential and commercial pests populations including spiders, scorpions, fleas and mosquitoes.
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  QUICK KILL: Onslaught FastCap Spider and Scorpion Insecticide offers a convenient and approach to pest control.
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  INDOOR AND OUTDOOR APPLICATIONS: Effective pest control in and around livestock facilities, on turf, ornamentals, landscapes, and in food and non-food areas of commercial and residential structures.
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  ACTIVE INGREDIENTS: Combines esfenvalerate and prallethrin with synergist piperonyl butoxide (PBO) for fast-acting pest control.
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  A LEGACY YOU CAN TRUST: Driven by expertise and industry commitment, MGK has been developing pest control products based primarily on botanical and innovative technologies since 1902.

Main Highlights

Main Highlights

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  Quick Knockdown and Residual Control: Onslaught FastCap Spider & Scorpion
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  Broad Spectrum of Pest Control: This insecticide targets a wide range of pests, including scorpions, spiders, and other insects listed on the label, making it a versatile solution for various pest infestations.
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  User-Friendly and Economical: Onslaught FastCap Spider & Scorpion Insecticide is designed to be easy to use, requiring minimal effort for application. It is also a cost-effective option, providing value for money with its efficient pest control capabilities.
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  Indoor and Outdoor Application: This product is suitable for use in both indoor and outdoor settings, allowing for comprehensive pest control in various areas. It can be applied to different surfaces and environments as directed by the label instructions.
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  includes: 16 oz of Onslaught FastCap Spider & Scorpion Insecticide & USA Supply protective gloves

Main Highlights

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  TARGET PEST - Ants, Asian Lady Beetles, Bed Bugs, Boxelder Bugs, Carpenter Ants, Cockroaches, Confused Flour Beetles, Darkling Beetles (lesser mealworm), Face Flies, Fleas, Fruit Flies, Horn Flies, Hornets, House Flies, Indian Meal Moths, Lesser Grain Borers, Mosquitoes, Red Flour Beetles, Rice Weevils, Saw-tooth Grain Beetles, Scorpions, Small Flying Moths, Spiders, Stink Bugs, Swarming Termites, Ticks, Wasps, Yellow Jackets
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  FOR USE IN - Ants, Asian Lady Beetles, Bed Bugs, Boxelder Bugs, Carpenter Ants, Cockroaches, Confused Flour Beetles, Darkling Beetles (lesser mealworm), Face Flies, Fleas, Fruit Flies, Horn Flies, Hornets, House Flies, Indian Meal Moths, Lesser Grain Borers, Mosquitoes, Red Flour Beetles, Rice Weevils, Saw-tooth Grain Beetles, Scorpions, Small Flying Moths, Spiders, Stink Bugs, Swarming Termites, Ticks, Wasps, Yellow Jackets
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  ACTIVE INGREDIENT - Esfenvalerate 6.4% Piperonyl butoxide 8% Prallethrin 1.6%
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  PET SAFE - Yes, if used as directed on Label

Main Highlights

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  Premium USA Supply Chemical Resistant gloves with USA Supply Resist Technology
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  USA Supply Pest Identification Card - Copyright 2024

Main Highlights

• 
  CONVENIENT PEST CONTROL: Protection against a wide range of residential and commercial pests populations including spiders, scorpions, fleas and mosquitoes.
• 
  QUICK KILL: Onslaught FastCap Spider and Scorpion Insecticide offers a convenient and fast approach to pest control.
• 
  INDOOR AND OUTDOOR APPLICATIONS: Effective pest control in and around livestock facilities, on turf, ornamentals, landscapes, and in food and non-food areas of commercial and residential structures.
• 
  ACTIVE INGREDIENTS: Combines esfenvalerate and prallethrin with synergist piperonyl butoxide (PBO) for fast-acting pest control.
• 
  A LEGACY YOU CAN TRUST: Driven by expertise and industry commitment, MGK has been developing pest control products based primarily on botanical and innovative technologies since 1902.

Main Highlights

Main Highlights

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  KILLS ON CONTACT: Paralyzes and kills spiders fast.
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  CONTROLS SPIDERS AND SCORPIONS: Kills black widow, brown recluse, wolf spiders and scorpions even kills black widow spiders as they hatch.
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  TARGETED SPRAY: Spray from up to 5 feet away.
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  USE INDOORS OR OUTDOORS: Spray spiders and scorpions directly or spray spider webs and egg sacs.

Main Highlights

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  Controlled release for long-lasting control
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  Use indoors and outdoors
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  No odor, easy-to-use
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  Brand name: MGK