Registration, signal word, restricted-use status and approved use sites are sourced from the U.S. EPA pesticide registry. EPA Reg. No. 101563-241. View this product's label on the EPA ↗ (EPA copy accepted May 4, 2026)
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.
| Target pest | Indoor / Outdoor | Where on site | Rate | Dilution | Infestation level | Notes |
|---|---|---|---|---|---|---|
| Whiteflies | Outdoor | Ornamental Trees | 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 | Ornamental Trees | 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 | Ornamental Trees | 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 | Ornamental Trees | 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 | Ornamental Trees | 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 | Ornamental Trees | 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 | Ornamental Trees | 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. | ||
| Chinchbugs, Pill Bugs, Sod Webworm | Outdoor | Lawns (around residential, institutional, public, commercial and industrial buildings, parks, recreational areas and athletic fields) | 0.4 to 0.8 fl. oz. | Apply using sufficient water to provide adequate coverage. | ||
| Navel Orangeworm, Peach Twig Borer | Outdoor | Almond (Fruit and Nut Trees Around Residential Sites Only) | 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. | ||
| Green Fruitworm, Oblique Banded Leafroller, Plum Curculio, Redbanded Leafroller, Rosy Apple Aphid, Spotted Tentiform Leafminer, Tarnished Plant Bug, White Apple Leafhopper | Outdoor | Apples (Fruit and Nut Trees Around Residential Sites Only) | 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. | ||
| Green Fruitworm, Lesser Peachtree Borer, Plum Curculio, Redbanded Leafroller, Rose Chafer, Tarnished Plant Bug | Outdoor | Cherries (Fruit and Nut Trees Around Residential Sites Only) | 1/4 tsp | Apply the appropriate amount of ASTRO insecticide in 1 gallon of water per 436 sq. ft. | ||
| Filbertworm, Oblique Banded Leafroller | Outdoor | Filberts (Fruit and Nut Trees Around Residential Sites Only) | 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. | ||
| Green Fruitworm, Lesser Peachtree Borer, Oriental Fruit Moth, Peach Twig Borer, Plum Curculio, Rose Chafer, Tarnished Plant Bug | Outdoor | Peaches (Fruit and Nut Trees Around Residential Sites Only) | 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. | ||
| Pear Psylla | Outdoor | Pears (Fruit and Nut Trees Around Residential Sites Only) | 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. | ||
| Leaffooted Bugs, Navel Orangeworm, Peach Twig Borer, Plant Bugs, Stinkbugs | Outdoor | Pistachios (Fruit and Nut Trees Around Residential Sites Only) | 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. |
| For | Where | Amount | Per | Finished strength | 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 |