ASTRO INSECTICIDE

ENVIRONMENTAL SCIENCE U.S., LLC · Permethrin 36.8% · EPA Reg 101563-241 · INSECTICIDE; MITICIDE Document last checked 2025-08-04

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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. 101563-241 →

Astro is an insecticide used to control various pests, including whiteflies, Zimmerman pine moths, clearwing moth borers, bark beetles, coleopteran borers, Nantucket pine tip moths, coneworms, seed bugs, chinchbugs, pill bugs, sod webworms, navel orangeworms, peach twig borers, green fruitworms, oblique banded leafrollers, plum curculio, redbanded leafrollers, rosy apple aphids, spotted tentiform leafminers, tarnished plant bugs, and white apple leafhoppers. It is applied outdoors to ornamental trees, lawns, and fruit and nut trees around residential sites. Application methods include broadcasting to cover foliage or applying to the lower branches and trunks to ensure thorough bark coverage. For specific fruit and nut trees, it is applied in a water mixture.

Pests covered (124)

WhitefliesZimmerman Pine MothsClearwing Moth Borers (Ash Borer, Banded ash Clearwing, Dogwood borer, Lesser peachtree borer, Lilac borer, Oak borer, Peachtree borer, Rhododendron borer)Bark Beetles (Dendroctonus spp., Ips spp., Elm bark beetles, Mountain pine beetle, Pine engravers, Turpentine beetles, Western pine beetle)Coleopteran borers (Bronze birch borer, Flatheaded appletree borer)above listed pests (for maximum residual control)Nantucket Pine Tip Moth, Coneworms*, Seed Bugs*Chinchbugs, Pill Bugs, Sod WebwormNavel Orangeworm, Peach Twig BorerGreen Fruitworm, Oblique Banded Leafroller, Plum Curculio, Redbanded Leafroller, Rosy Apple Aphid, Spotted Tentiform Leafminer, Tarnished Plant Bug, White Apple LeafhopperGreen Fruitworm, Lesser Peachtree Borer, Plum Curculio, Redbanded Leafroller, Rose Chafer, Tarnished Plant BugFilbertworm, Oblique Banded LeafrollerGreen Fruitworm, Lesser Peachtree Borer, Oriental Fruit Moth, Peach Twig Borer, Plum Curculio, Rose Chafer, Tarnished Plant BugPear PsyllaLeaffooted Bugs, Navel Orangeworm, Peach Twig Borer, Plant Bugs, StinkbugsPILLBUGSSOWBUGSCENTIPEDESMILLIPEDESSCORPIONSSPIDERSTICKSEAR TICKROSY APPLE APHIDELM LEAF BEETLEROOT WEEVILS (ADULT)PLUM CURCULIOSCOLYTUS BEETLEDARKLING BEETLESLESSER MEALWORMFLIESEYE GNATSMOSQUITOESSHEEP KEDHORN FLYFACE FLYHOUSE FLYSTABLE FLYFUNGUS GNATSBLACK FLIESHORSE FLIESDEER FLIESEARWIGSLEAFHOPPERSWHITE APPLE LEAFHOPPERMEALYBUGSBEESWASPSPINE SAWFLIESANTSCARPENTER ANTSFIRE ANTBIRCH LEAFMINERCARPENTER BEECONEWORMSWEBWORMSLEAFEATING CATERPILLARSGRUBSBORERSROSE CHAFERJAPANESE BEETLEBARK BEETLESELM BARK BEETLESWESTERN PINE BEETLESOUTHERN PINE BEETLEMOUNTAIN PINE BEETLETURPENTINE BEETLESLEAFFOOTED BUGCHINCH BUGSEED BUGSPLANT BUGSLYGUS BUGSTARNISHED PLANT BUGSTINK BUGSBOXELDER BUGLACE BUGSAPHIDSPINE ENGRAVERIPS BEETLESSOD WEBWORMSZIMMERMAN PINE MOTHNAVEL ORANGEWORMCLEARWING BORERSASH BORERLILAC BORERPEACHTREE BORERLESSER PEACHTREE BORERRHODODENDRON BORERDOGWOOD BORERREDBANDED LEAFROLLEROBLIQUEBANDED LEAFROLLERFLEASCITRUS THRIPSFIREBRATSILVERFISHBRONZE BIRCH BORERFLATHEADED APPLETREE BOREROAK BORERGROUND BEETLESPEACH TWIG BORERCANKERWORMSSPOTTED TENTIFORM LEAFMINERTENT CATERPILLARSGYPSY MOTHGYPSY MOTH (LARVAE)GREEN FRUITWORMARMYWORMBEET ARMYWORMCABBAGE LOOPERHELIOTHIS CATERPILLARSBAGWORMORIENTAL FRUIT MOTHFILBERT WORMNANTUCKET PINE TIP MOTHCOCKROACHESASIAN COCKROACHCRICKETSMOLE CRICKETSNORTHERN FOWL MITEMANGE MITESCABIES MITELICELEAFROLLERSLEAFMINERS

Areas treatable (84)

Ornamental TreesLawns (around residential, institutional, public, commercial and industrial buildings, parks, recreational areas and athletic fields)Almond (Fruit and Nut Trees Around Residential Sites Only)Apples (Fruit and Nut Trees Around Residential Sites Only)Cherries (Fruit and Nut Trees Around Residential Sites Only)Filberts (Fruit and Nut Trees Around Residential Sites Only)Peaches (Fruit and Nut Trees Around Residential Sites Only)Pears (Fruit and Nut Trees Around Residential Sites Only)Pistachios (Fruit and Nut Trees Around Residential Sites Only)PEARS (FOLIAR TREATMENT)CHERRIES (FOLIAR TREATMENT)ORNAMENTAL PLANTS (GREENHOUSE-FOLIAR TREATMENT)ORNAMENTAL PLANTS (INTERIOR PLANTSCAPES)PEACHES (FOLIAR TREATMENT)ALMONDS (FOLIAR TREATMENT)ORNAMENTAL PLANTS (CONTAINERIZED)ORNAMENTAL FRUIT TREES (NONBEARING)AGRICULTURAL BUILDINGS (OUTDOOR)AGRICULTURAL BUILDINGS (INDOOR)DAIRY CATTLE (LACTATING) (ANIMAL TREATMENT)DAIRY CATTLE (NONLACTATING) (ANIMAL TREATMENT)APPLES (FOLIAR TREATMENT)PISTACHIO NUTSORNAMENTAL HERBACEOUS PLANTS (GREENHOUSE-FOLIAR TREATMENT)ANT HILLSAERIAL APPLICATIONULTRA LOW VOLUME APPLICATION (OIL SPRAY)REFUSE STORAGE AREAS (OUTDOOR)DUMPS (GARBAGE/REFUSE) (OUTDOOR)STORAGE YARDS (FOLIAR TREATMENT)RECREATIONAL AREASATHLETIC FIELDSPARKSBARNS (INDOOR)BARNS (OUTSIDE WALLS)GARAGESDOMESTIC DWELLINGS (OUTDOOR)EAVESPORCHESHOG HOUSES (ENCLOSED PREMISE TREATMENT)BUILDINGS (NONAGRICULTURAL) (OUTDOOR)BUILDINGS (NONAGRICULTURAL) (FOLIAR TREATMENT)ORNAMENTAL FLOWERING PLANTS (CONTAINERIZED)ORNAMENTAL FOLIAGE PLANTS (FOLIAR TREATMENT)ORNAMENTAL FOLIAGE PLANTS (GREENHOUSE-FOLIAR TREATMENT)ORNAMENTAL FOLIAGE PLANTS (CONTAINERIZED)DAIRIES (INDOOR INEDIBLE)DOMESTIC DWELLINGS (PERIMETER SOIL TREATMENT)ORNAMENTAL PLANTS (FOLIAR TREATMENT)ORNAMENTAL PLANTS (FIELD) (FOLIAR TREATMENT)FENCEROWS (FOLIAR TREATMENT)ORNAMENTAL HERBACEOUS PERENNIAL PLANTS (FOLIAR TREATMENT)POULTRY (ANIMAL TREATMENT)POULTRY HOUSES (ENCLOSED PREMISE TREATMENT)FILBERTS (FOLIAR TREATMENT)COMMERCIAL/INSTITUTIONAL/INDUSTRIAL BUILDINGS (OUTDOOR INEDIBLE)HORSES (ANIMAL TREATMENT)BEEF CATTLE (ANIMAL TREATMENT)PINE (SEED ORCHARD) (FOLIAR TREATMENT)HOGS (ANIMAL TREATMENT)GOATS (ANIMAL TREATMENT)ORNAMENTAL TREES (BARK TREATMENT)CONIFERS (FOREST) (FOLIAR TREATMENT)SHEEP (ANIMAL TREATMENT)CONIFERS (FOREST) (CONTAINERIZED)CHRISTMAS TREE PLANTINGS (FOLIAR TREATMENT)IRRIGATION SUPPLY SYSTEMS (WATER TREATMENT)ORNAMENTAL WOODY SHRUBS (FOLIAR TREATMENT)ORNAMENTAL WOODY SHRUBS (FIELD) (FOLIAR TREATMENT)ORNAMENTAL WOODY SHRUBS (GREENHOUSE) (FOLIAR TREATMENT)ORNAMENTAL WOODY SHRUBS (INTERIOR PLANTSCAPES)ORNAMENTAL WOODY SHRUBS (CONTAINERIZED)ORNAMENTAL HERBACEOUS PLANTS (CONTAINERIZED)ORNAMENTAL FLOWERING PLANTS (FOLIAR TREATMENT)ORNAMENTAL FLOWERING PLANTS (GREENHOUSE-FOLIAR TREATMENT)ORNAMENTAL FLOWERING PLANTS (INTERIOR PLANTSCAPES)ORNAMENTAL FOLIAGE PLANTS (INTERIOR PLANTSCAPES)LIVESTOCK BARNS (ENCLOSED PREMISE TREATMENT)LIVESTOCK BUILDINGS (ENCLOSED PREMISE TREATMENT)LIVESTOCK FEEDLOTS (ENCLOSED PREMISE TREATMENT)LIVESTOCK STABLES (ENCLOSED PREMISE TREATMENT)ORNAMENTAL LAWNS (FOLIAR TREATMENT)ORNAMENTAL LAWNS (SOIL TREATMENT)ORNAMENTAL HERBACEOUS PLANTS (INTERIOR PLANTSCAPES)

How to treat each type of area 15

Ornamental Trees

Target pest	Location	Rate	Unit	Label notes
Whiteflies	Outdoor	4 to 8	fl. oz.	Broadcast; Use higher rate for moderate to high infestations. Apply sufficient volume of water to adequately cover foliage. Direct application to blooms may cause browning of petals. Marginal leaf burn may occur on Salvia, Dieffenbachia and Pteris Fern.
Zimmerman Pine Moths	Outdoor	4 to 8	fl. oz.	Broadcast; Use higher rate for moderate to high infestations. Apply sufficient volume of water to adequately cover foliage. Direct application to blooms may cause browning of petals. Marginal leaf burn may occur on Salvia, Dieffenbachia and Pteris Fern.
Clearwing Moth Borers (Ash Borer, Banded ash Clearwing, Dogwood borer, Lesser peachtree borer, Lilac borer, Oak borer, Peachtree borer, Rhododendron borer)	Outdoor	1 to 2	qts.	Apply to the lower branches and trunks prior to adult emergence. Adult emergence varies according to pest species, host tree, environmental conditions and geographic location. Thorough coverage of bark is required for control.
Bark Beetles (Dendroctonus spp., Ips spp., Elm bark beetles, Mountain pine beetle, Pine engravers, Turpentine beetles, Western pine beetle)	Outdoor	2 to 5	qts.	Apply to the lower branches and trunks prior to adult emergence. Adult emergence varies according to pest species, host tree, environmental conditions and geographic location. Thorough coverage of bark is required for control.
Coleopteran borers (Bronze birch borer, Flatheaded appletree borer)	Outdoor	2 to 5	qts.	Apply to the lower branches and trunks prior to adult emergence. Adult emergence varies according to pest species, host tree, environmental conditions and geographic location. Thorough coverage of bark is required for control.
above listed pests (for maximum residual control)	Outdoor	5.35	qts.	Apply to the lower branches and trunks prior to adult emergence. Adult emergence varies according to pest species, host tree, environmental conditions and geographic location. Thorough coverage of bark is required for control.
Nantucket Pine Tip Moth, Coneworms, Seed Bugs	Outdoor	4 to 8	fl. oz.	Apply to the lower branches and trunks prior to adult emergence. Adult emergence varies according to pest species, host tree, environmental conditions and geographic location. Thorough coverage of bark is required for control.

Lawns (around residential, institutional, public, commercial and industrial buildings, parks, recreational areas and athletic fields)

Target pest	Location	Rate	Unit	Label notes
Chinchbugs, Pill Bugs, Sod Webworm	Outdoor	0.4 to 0.8	fl. oz.	Apply using sufficient water to provide adequate coverage.

Almond (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Navel Orangeworm, Peach Twig Borer	Outdoor	1/2	tsp.	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. Do not harvest nuts within 7 days after application. Do not apply more than 1.5 tsp. per 436 sq. ft. per year.

Apples (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Green Fruitworm, Oblique Banded Leafroller, Plum Curculio, Redbanded Leafroller, Rosy Apple Aphid, Spotted Tentiform Leafminer, Tarnished Plant Bug, White Apple Leafhopper	Outdoor	1/4 to 1/2	tsp	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. Do not apply more than 1 tsp. per 436 sq. ft. per year.

Cherries (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Green Fruitworm, Lesser Peachtree Borer, Plum Curculio, Redbanded Leafroller, Rose Chafer, Tarnished Plant Bug	Outdoor	1/4	tsp	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft.

Filberts (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Filbertworm, Oblique Banded Leafroller	Outdoor	1/2	tsp.	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. Do not harvest nuts within 14 days after application. Do not apply more than 1.75 tsp. per 436 sq. ft. per year.

Peaches (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Green Fruitworm, Lesser Peachtree Borer, Oriental Fruit Moth, Peach Twig Borer, Plum Curculio, Rose Chafer, Tarnished Plant Bug	Outdoor	1/4 to 1/2	tsp	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. Do not harvest fruit within 14days after application. Do not apply more than 1.75 tsp. per 436 sq. ft. per year.

Pears (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Pear Psylla	Outdoor	1/2	tsp.	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. Apply only during dormant through delayed dormant growth periods. Do not apply more than 1.5 tsp. per 436 sq. ft. per year. Do not harvest fruit within 3 days after application. Do not make more than 4 applications per year. Do not make more than 3 applications after petal fall. Do not apply more than 1.25 tsp per 436 sq. ft. per season.

Pistachios (Fruit and Nut Trees Around Residential Sites Only)

Target pest	Location	Rate	Unit	Label notes
Leaffooted Bugs, Navel Orangeworm, Peach Twig Borer, Plant Bugs, Stinkbugs	Outdoor	1/2 to ¾	tsp.	Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. Nuts may be harvested on the day of application. Do not apply more than 2 tsp. per 436 sq. ft. per year. Do not apply after 10 percent hull split.

Mixing instructions 2

For pests	Amount	Per	Label notes
Coneworm, Seed Bugs	8 ounces	100 gallons	For high volume sprayers: Apply 5 to 10 gallons of finished spray per tree.
Coneworm, Seed Bugs	42 ounces	100 gallons	For low volume sprayers

Timing & weather

Apply to the lower branches and trunks prior to adult emergence.
Adult emergence varies according to pest species, host tree, environmental conditions and geographic location.
Begin application when adults appear.
Repeat applications may be made on 5–7 day intervals as needed.
To control Webbing Coneworm—make first application within 1 week of female flower closure or peak pollen flight.
To control other coneworms and seed bugs—make first application within 30 days following flower closure.
Do not make applications less than 10 days apart.
Apply only during dormant through delayed dormant growth periods.

Use restrictions 14

Do not harvest nuts within 7 days after application.
Do not apply more than 1.5 tsp. per 436 sq. ft. per year.
Do not harvest nuts within 14 days after application.
Do not apply more than 1.75 tsp. per 436 sq. ft. per year.
Do not harvest fruit within 14days after application.
Do not apply more than 1.75 tsp. per 436 sq. ft. per year.
Do not apply more than 1.5 tsp. per 436 sq. ft. per year.
Do not harvest fruit within 3 days after application.
Do not make more than 4 applications per year.
Do not make more than 3 applications after petal fall.
Do not apply more than 1.25 tsp per 436 sq. ft. per season.
Do not apply more than 2 tsp. per 436 sq. ft. per year.
Do not apply after 10 percent hull split.
Do not use house

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