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Altosid® Liquid Larvicide Mosquito Growth Regulator

Featuring the active ingredient (S)-methoprene, Altosid® Liquid Larvicide provides mosquito control professionals with flexibility. This formulation prevents larvae from becoming biting adult mosquitoes. Altosid® Liquid Larvicide Mosquito Growth Regulator can be used as a pretreatment to potential breeding sites, offering complete control.

Active Ingredients:

  • (S)-Methoprene (CAS #65733­-16-­6) 5%




Apply in a wide range of habitats as an aerial or ground treatment to areas with standing water. Utilize Altosid® Liquid Larvicide with equipment capable of applying a fine mist or ULV.


  • Features a microencapsulated formula
  • Extended residual control minimizes need for costly reapplications
  • Approved for aerial and ground ULV applications
  • Effectively prevents the emergence of adult mosquitoes that can transmit West Nile virus, Zika virus, chikungunya and dengue fever

Available Product Sizes

  • 16 oz bottle
EPA Reg. #2724-­392
Altosid Liquid Larvicide is a mosquito growth regulator containing (S)-Methoprene. Professional mosquito control for areas with standing water. Zoecon