Chemicals › b2e-microbials-llc › fourstar-briquets

FOURSTAR BRIQUETS

B2E MICROBIALS, LLC · Bacillus thuringiensis subspecies israelensis Strain BMP 144 solids, spores and insecticidal toxins 1%; Bacillus sphaericus 2362, Serotype H5a5b, strain AML614 6% · EPA Reg 83362-3 · BIOCHEMICAL PESTICIDE; INSECTICIDE Document last checked 2025-12-17

About this product

Active ingredient Bacillus thuringiensis subspecies israelensis Strain BMP 144 solids, spores and insecticidal toxins 1%; Bacillus sphaericus 2362, Serotype H5a5b, strain AML614 6%
Manufacturer B2E MICROBIALS, LLC
Category BIOCHEMICAL PESTICIDE; INSECTICIDE

Full details for FOURSTAR BRIQUETS

EPA registration data Reg. 83362-3 — registry reference, signal word and status.

Applicator discussion

Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.

Add your experience

Sign in through the portal or Create a free account to post. Comments are reviewed before they appear. Need a website for your pest-control business? See site plans.

According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 83362-3 →

FourStar Briquets are formulated to control mosquito larvae. These briquets are applied outdoors to water surfaces, using one briquet for every 100 square feet of surface area. For high infestations, heavily polluted water, or abundant algae, the application rate should be doubled.

Pests covered (3)
mosquito larvaeMOSQUITOESMOSQUITOES (LARVAE)
Areas treatable (19)
sites up to 100 square feet of surface arealarge sitesCATCH BASINSGARBAGE CANSPONDS (FISH) (WATER TREATMENT)STANDING WATERFLOOD WATERRAIN BARRELS (WATER TREATMENT)MAN-MADE DEPRESSIONS (WATER TREATMENT)STORM WATER RETENTION AREASSWIMMING POOL COVERSDRAINAGE SYSTEMS (WATER TREATMENT)ANIMAL DRINKING WATERBIRDBATH WATERPONDS (ORNAMENTAL)ORNAMENTAL FOUNTAINSSTORM DRAINSCLAY POTSSWIMMING POOL WATER

How to treat each type of area 3

sites up to 100 square feet of surface area

Target pest Location Rate Unit Label notes
mosquito larvae Outdoor one (1) briquet
high
Target pest Location Rate Unit Label notes
mosquito larvae Outdoor two (2) briquets When mosquito populations are high, water is heavily polluted, and/or algae are abundant, double the above application rate.

large sites

Target pest Location Rate Unit Label notes
mosquito larvae Outdoor 1 additional briquet apply 1 additional briquet for each additional 100 square feet of water surface, regardless of water depth

Worker safety

PPE required Avoid contact with skin, eyes, or clothing. Avoid breathing dust. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco or using the toilet. Remove and wash contaminated clothing before reuse.

Use restrictions 1