Chemicalszoeconaltosid-liquid-larvicide-mosquito-growth-regulator

Altosid Liquid Larvicide Mosquito Growth Regulator

Zoecon · S-Methoprene 5% · EPA Reg 2724-392 · INSECT GROWTH REGULATOR; BIOCHEMICAL PESTICIDE Document last checked 2026-05-30

About this product

Active ingredient S-Methoprene 5%
Manufacturer Zoecon
Category INSECT GROWTH REGULATOR; BIOCHEMICAL PESTICIDE

Full details for Altosid Liquid Larvicide Mosquito Growth Regulator

Source product label ↗ Open the catalog source label while the local copy is reviewed. Verify the product name, EPA registration number, and revision before use. Source safety data sheet ↗ Open the catalog source SDS while the local copy is reviewed. Verify the exact product and revision before relying on it. EPA registration data Reg. 2724-392 — 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.

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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. 2724-392 →

Altosid Briquets is a product used to control mosquito larvae and mosquitoes. It is applied outdoors to various sites such as water-holding containers, rice fields, pastures, irrigated croplands, and intermittently flooded noncrop areas like marshes or ditches. Application methods include direct spray, ground or aerial ULV application, and using standard granular dispersal equipment for sand or BIODAC mixtures.

Pests covered (5)
Mosquito LarvaeMosquitoesMOSQUITOES (LARVAE)FLEAS (LARVAE)FLEAS (ADULT)
Areas treatable (28)
water-holding containers and other small bodies of waterterrestrial sitesPasturesRiceIntermittently Flooded Noncrop AreasCrop Areasdense vegetation or canopy areasVINEYARDS (FLOODED) (WATER TREATMENT)NUT TREE ORCHARDS (FLOODED) (WATER TREATMENT)CROPLAND (FLOODED) (WATER TREATMENT)BERRY FIELDS (FLOODED) (WATER TREATMENT)FRUIT TREE ORCHARDS (FLOODED) (WATER TREATMENT)RICE FIELDS (PUB.HEALTH)RICE FIELDS (FLOODED) (WATER TREATMENT)AERIAL APPLICATIONPONDS (WATER TREATMENT)PASTURES (FLOODED) (WATER TREATMENT)SWAMPS (WATER TREATMENT)MARSHES (WATER TREATMENT)TANK MIXINTERMITTENTLY FLOODED AREAS (WATER TREATMENT)POOLS (WOODLAND) (WATER TREATMENT)MAN-MADE DEPRESSIONS (WATER TREATMENT)DATE PALM ORCHARDS (FLOODED) (WATER TREATMENT)DITCHESDRAINAGE DITCHES (SLOW FLOWING) (WATER TREATMENT)WASTE WATER SYSTEMSOUTDOORS

How to treat each type of area 7

water-holding containers and other small bodies of water

Target pest Location Rate Unit Dilution Label notes
Mosquito Larvae Outdoor 3-4 fluid ounces per acre For ground and aerial application to terrestrial sites using ULV. Direct spray applications to sites where mosquitoes breed (tires, potted plants, tree holes, etc.).

terrestrial sites

Target pest Location Rate Unit Dilution Label notes
Mosquito Larvae Outdoor 3-4 fluid ounces per acre For aerial application to terrestrial sites by fixed wing or rotary aircraft. Diluted with water at a minimum of a 1:1 mix ratio with water. Target terrestrial areas where mosquitoes breed.

Pastures

A.L.L.™ may be applied after each flooding without removal of grazing livestock.

Target pest
Mosquitoes
Location
Outdoor

Rice

A.L.L.™ must be applied to 2nd, 3rd, and/or 4th instar larvae of mosquitoes found in rice, usually within 4 days after flooding. A.L.L.™ treatment may be repeated with each flooding.

Target pest
Mosquitoes
Location
Outdoor

Intermittently Flooded Noncrop Areas

Typical sites include freshwater swamps and marshes, salt marshes, woodland pools and meadows, dredging spoil sites, drainage areas, waste treatment and settling ponds, ditches and other natural and manmade depressions.

Target pest
Mosquitoes
Location
Outdoor

Crop Areas

May be applied to irrigated croplands after flooding to control mosquito emergence. Examples: vineyards, rice fields (including wild rice), date palm orchards, fruit and nut orchards and berry fields and bogs. Irrigated pastures may be treated after each flooding without the removal of grazing livestock.

Target pest
Mosquitoes
Location
Outdoor

dense vegetation or canopy areas

apply an A.L.L.™ sand or BIODAC® mixture using standard granular dispersal equipment.

Target pest
Mosquitoes
Location
Outdoor

Mixing instructions 1

For pests Label notes
Mosquito Larvae One-half to 5 gallons of spray solution per acre is usually satisfactory.

Timing & weather

Use restrictions 2