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. 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.