Microcare® 3% CS Controlled Release Insecticide

MGK · Piperonyl butoxide 15%; Pyrethrins 3% · EPA Reg 1021-2839 · INSECTICIDE Document last checked 2026-03-22

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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. 1021-2839 →

This product is a controlled release insecticide. It is used to control mosquitoes, flies, gnats, listed flying insects, and fleas. It can be applied as a surface spray, coarse wet spray, low-pressure spray, or fog in outdoor vegetation, livestock housing, non-food animal areas, and directly onto livestock animals.

Pests covered (52)

MOSQUITOES, FLIES AND GNATSLISTED FLYING INSECTSFLIESFLEASSOWBUGSCENTIPEDESMILLIPEDESSCORPIONSSPIDERSTICKSGRAIN MITEDERMESTID BEETLESCARPET BEETLESAWTOOTHED GRAIN BEETLEWEEVILSMEALWORMSRED FLOUR BEETLECONFUSED FLOUR BEETLECADELLEGNATSMOSQUITOESSTABLE FLYFUNGUS GNATSFUNGUS GNAT (LARVAE)MEALYBUGSBEESWASPSANTSCARPENTER ANTSYELLOWJACKETSCARPENTER BEEMOTHSTROGODERMA BEETLESDRIEDFRUIT BEETLEBED BUGBOXELDER BUGASIAN LADY BEETLESMEDITERRANEAN FLOUR MOTHINDIAN MEAL MOTHFIREBRATSILVERFISHCIGARETTE BEETLEDRUGSTORE BEETLEANGOUMOIS GRAIN MOTHGRANARY WEEVILRICE WEEVILCOCKROACHESGERMAN COCKROACHCRICKETSCLOVER MITECRAWLING INSECTSFLYING INSECTS

Areas treatable (56)

shrubbery and vegetation, and other areas where these pests may rest; Structural surfaces, shrubbery and vegetation around stagnant pools, marshy areas, ponds and shorelineslivestock housingnon food animal areas such as dog kennels, hog barns, rabbit hutches, dairy areas, milkrooms, calf hutches, calving pens and parlors (ceilings, screens, upper corners, around windows and doors, light fixtures)animal areas such as dog kennels and runslivestock animalsBEVERAGE PROCESSING PLANTSGRAIN MILLS (INDOOR INEDIBLE)HATCHERIES (ENCLOSED PREMISE TREATMENT)MILK ROOM PREMISESMILKING PARLORSSTORED FOOD PRODUCTSBUILDINGS (NONAGRICULTURAL) (PERIMETER) (SOIL TREATMENT)HOSPITALS (INDOOR INEDIBLE)TRANSPORTATION FACILITIESWAREHOUSES (INDOOR INEDIBLE)MEAT PACK. PLANT (INED.)MEAT PROCESSING PLANTS (INDOOR-INEDIBLE)POULTRY PROCESSING PLANTS (INDOOR INEDIBLE)AIRCRAFT (NON-FEED/NON-FOOD) (NON-RESIDUAL SPACE TREATMENT)BUSES (NONFEED/NONFOOD) (RESIDUAL GENERAL TREATMENT)BOAT PREMISESTRAILERS (EMPTY)RAILROAD BOXCARS (FEED/FOOD-EMPTY)FLOUR MILLS (INDOOR INEDIBLE)COMMERCIAL/INSTITUTIONAL/INDUSTRIAL BUILDINGS (WALL VOIDS)AIRPORTSTANK MIXFOOD PROCESSING PLANTS (INDOOR INEDIBLE)BAKERIES (INDOOR-INEDIBLE)CANNERIESDOMESTIC DWELLINGS (INDOOR)DOMESTIC DWELLINGS (OUTDOOR)ZOOS (ENCLOSED PREMISE TREATMENT)HOG HOUSES (ENCLOSED PREMISE TREATMENT)EATING ESTABLISHMENTS (INDOOR INEDIBLE)DAIRIES (INDOOR INEDIBLE)HOTELS (NON-FOOD AREAS)HOTELS/MOTELS/TOURIST COURTS (NON-FOOD AREAS)RUGS/CARPETSOFFICE BUILDINGS (INDOOR INEDIBLE)FOOD MARKETING/STORAGE/DISTRIBUTION FACILITIES (INDOOR INEDIBLE)SUPERMARKETS (INDOOR INEDIBLE)HORSE BARNS (ENCLOSED PREMISE TREATMENT)COMMERCIAL/INSTITUTIONAL/INDUSTRIAL AREAS (RESIDUAL CRACK AND CREVICE TREATMENT)COMMERCIAL/INSTITUTIONAL/INDUSTRIAL BUILDINGS (INDOOR INEDIBLE)SCHOOLS (INDOOR INEDIBLE)RESTAURANTS (INDOOR INEDIBLE)PET KENNELS (ENCLOSED PREMISE TREATMENT)LIVESTOCK LOAFING SHEDS (ENCLOSED PREMISE TREATMENT)LIVESTOCK STABLES (ENCLOSED PREMISE TREATMENT)TRANSPORTATION VEHICLES (NONFOOD/NONFEED)SHIPHOLDS (NONFEED/NONFOOD)FOOD STORAGE AREASFOOD STORAGE AREAS (PANTRIES)PET BEDDINGTRUCKS (FEED/FOOD-EMPTY)

How to treat each type of area 5

shrubbery and vegetation, and other areas where these pests may rest; Structural surfaces, shrubbery and vegetation around stagnant pools, marshy areas, ponds and shorelines

Target pest	Location	Rate	Unit	Label notes
MOSQUITOES, FLIES AND GNATS	Outdoor	1 to 4	fl. oz.	For pests in open areas near homes, buildings and in campgrounds, apply as a surface spray. Treatment of vegetation in water from land is also permitted by allowing wind to move product into vegetation, but application of this product directly to any body of water is prohibited.

livestock housing

Target pest	Location	Rate	Unit	Dilution	Label notes
LISTED FLYING INSECTS	Indoor	3	fl. oz. diluted product	1 to 2 fl. oz. of product per gallon of water	Close all windows and doors. Direct fog upward in all directions at the rate of 3 fl. oz. diluted product per 1,000 cu. ft. of space. Thoroughly ventilate the area after treatment is completed.

non food animal areas such as dog kennels, hog barns, rabbit hutches, dairy areas, milkrooms, calf hutches, calving pens and parlors (ceilings, screens, upper corners, around windows and doors, light fixtures)

Target pest	Location	Rate	Unit	Dilution	Label notes
FLIES	Indoor	1	gallon diluted product	1.5 fl. oz. of product per gallon of water	Apply as a coarse, wet spray. Apply at a rate of 1 gallon diluted product per 1,000 sq. ft. of surface. Initiate treatments at the beginning of the fly season and repeat weekly during periods of heavy fly activity.

animal areas such as dog kennels and runs

Target pest	Location	Rate	Unit	Dilution	Label notes
FLEAS	Indoor	1	gallon diluted product	2 fl. oz. of product per gallon of water	Apply as a coarse, wet spray. Apply at a rate of 1 gallon diluted product per 1,000 sq. ft. of surface.

livestock animals

Location	Rate	Unit	Dilution	Label notes
Both	2	fl. oz.	2 fl. oz. of product per gallon of water	Use 4 fl. oz. for quick knock-down and longer residual control. Apply as a low-pressure spray. Lightly mist animals thoroughly, but do not treat to runoff. Do not spray directly toward the face or eyes. Application may be repeated daily.

Mixing instructions 1

Location	Amount	Per	Label notes
Outdoor	0.5 to 1	gallon	OUTDOOR RESIDENTIAL MISTING SYSTEMS†: Dilute 0.5 to 1 gallon of concentrate in 54 gallons of water.

Timing & weather

Applying this product in calm weather when rain is not predicted for the next 24 hours will help to ensure that wind or rain does not blow or wash pesticide off the treatment area.

Use restrictions 9

do not allow this product to enter or runoff into storm drains, drainage ditches, gutters or surface waters.
Do not use in an evaporative cooling system.
Direct nozzles to spray towards the target area and away from swimming pools, water bodies, or eating and cooking areas.
Do not set nozzles to direct mist near outside air condition systems or other home air intakes.
In New York State, this product may not be applied using residential automated misting systems.
application of this product directly to any body of water is prohibited.
Do not spray where electrical short circuits might result, such as wall outlets, conduits, motors, switches, etc.
Do not spray directly into any electronic equipment, such as radios, televisions, computers, telephones, etc.
Do not treat companion animals, such as dogs, cats, puppies or kittens, with this product.

Label SDS

Catalog source document available. The local copy is still withheld until its exact product identity, role, and full file hash are accepted. Open the catalog source label ↗ and verify the product name, EPA registration number, and revision before relying on it.

Publication withheld. This catalog record has no active evidence summary, so its document and any extracted directions remain unavailable while identity and document role are reviewed.

Document text and citations

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Reference only. Always read and follow the most current EPA-approved label on the product container. State and local restrictions may apply that are not reflected in this digitised copy. Verify the EPA registration number and revision date before use.