Gateway on Pesticide Hazards and Safe Pest Management

Lambda-cyhalothrin

General Information

• Product Names:

  Karate (Syngenta)
  Impasse (Syngenta)
  Demand (Syngenta)
  Wasp & Hornet Killer (Chemsico), formulated with Prallethrin
  Saber (Schering-Plough Animal Health), formulated with Piperonyl butoxide (some formulations)

• Chemical Class: Synthetic pyrethroid insecticide
• Uses: Agriculture, residential, mosquitoes
• Alternatives: Organic agriculture, Least toxic residential products, Least toxic mosquito products
• Beyond Pesticides rating: Toxic

Health and Environmental Effects

• Cancer: Not documented
• Endocrine Disruption: Yes (36)
• Reproductive Effects: Not documented
• Neurotoxicity: Yes (4)
• Kidney/Liver Damage: Not documented
• Sensitizer/ Irritant: Yes (4)
• Birth/Developmental: Not documented
• Detected in Groundwater: Not documented
• Potential Leacher: Not documented
• Toxic to Birds: Not documented
• Toxic to Fish/Aquatic Organisms: Yes (4)
• Toxic to Bees: Yes (4)

Residential Uses as Found in the ManageSafe™ Database

• Bagworms
• Bed Bugs
• Carpenter Bees
• Centipedes
• Chiggers
• Chinch Bugs
• Gypsy Moths
• Spiders
• Carpenter Ants
• Grubs
• Ticks
• Wasps and Yellowjackets

Additional Information

• Regulatory Status:
  • EPA Reregistration Eligibility Decision (RED) (5/2000)
  • EPA Factsheet (4/2000)
• Supporting information:
  • Asthma, Children and Pesticides (Beyond Pesticides)
  • Children & Lawn Chemicals Don't Mix (Beyond Pesticides)
  • The Safer Choice (Beyond Pesticides)
  • NCAP pesticide Factsheet (Northwest Coalition for Alternatives to Pesticides)
  • Extoxnet pesticideFactsheet (Extension Toxicology Network)
  • PAN Pesticides Database: (Pesticide Action Network)
• Studies:
  • Use and Toxicity of Pyrethroid Pesticides in the Central Valley,California, USA. Amweg, E. et. al. 2004.Environmental Toxicology and Chemistry 24(4):966-972