Product Name Altosid XR Extended Residual Briquets
Active Ingredient S-Methoprene 2.1%
Brand Name Altosid
Target Pest

prevent the emergence of adult mosquitoes including: Anopheles, Culex, Culiseta, Coquillettidia, and Mansonia spp., as well as those of the floodwater mosquito complex (Aedes, Ochlerotatus, and Psorophora spp.) from treated water. Treated larvae continue to develop normally to the pupal stage where they die.


ALTOSID® XR BRIQUETS are designed to release effective levels of (S)-Methoprene insect growth regulator over a period up to 150 days in mosquito breeding sites.

For Use In

storm drains, catch basins, roadside ditches, fish ponds, ornamental ponds and fountains, other artificial water-holding containers, animal watering troughs, cesspools and septic tanks, waste treatment and settling ponds, flooded crypts, transformer vaults, abandoned swimming pools, tires, construction and other manmade depressions, cattail marshes, water hyacinth beds, vegetation-choked phosphate pits, pastures, meadows, rice fields, freshwater swamps and marshes, salt and tidal marshes, treeholes, woodland pools, floodplains, and dredging spoil sites. For application sites connected by a water system, i.e., storm drains or catch basins, treat all of the waterholding sites in the system to maximize the efficiency of the treatment program.

Weight 23.40 lbs
EPA Reg No 2724-421
Manufacturer Zoecon
Not For Sale To AK, CA, CT, HI, PR

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