Altosid® Briquets (PCO Pack)

Active Ingredients: 8.62% (S)-Methoprene
EPA Reg. #2724-375


Solid and cork-shaped, Altosid® Briquets feature (S)-methoprene to stop larval development in active mosquito breeding sites. This convenient formulation provides up to 30 days of control in standing water. Altosid® Briquets from Central Life Sciences are an ideal solution for backyard mosquito control.

  • No adverse effect on fish, waterfowl, mammals or beneficial insects
  • Contains a sustained release, offering residual control
  • Easy-to-use Altosid® mosquito larvicide
  • Insect growth regulator (S)-methoprene prevents adult mosquito emergence

Product Size

Designed to prevent the emergence of adult mosquitoes for many species.

Small bodies of water including 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, tree holes, woodland pools, floodplains, dredging spoil sites.

Apply outdoors to potential mosquito breeding sites. Briquets can simply be dropped into areas with standing water. Because of the unique mode of action of Altosid? Briquets, users must be familiar with special techniques for accurate evaluation of treatments. Do not remove Altosid? Briquets from container except for immediate use.

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