With a slow release of the insect growth regulator (S)-methoprene, Altosid® Pellets with DR-tech offer up to 30 days of residual mosquito control. Breaking the life cycle to prevent the emergence of adult mosquitoes, this granular larvicide formulation has less dust, for treatments via aerial or ground equipment. Apply Altosid® Pellets up to 15 days prior to flooding, or at any stage of larval development after flooding or in permanent water sites.